| Subject | English | Thesaurus |
| abbr., qual.cont. | A&CO | assembly and check-out |
| tech. | A&CO | assembly and checkout |
| abbr., O&G, sakh. | a consulting co. based in moscow | ki |
| abbr., modern | A controversial process of extracting otherwise-secret information from a friend or co-worker by getting them drunk and thereby loosening their control on their tongue. | beerboarding (Example: "The guys at work took me out drinking last night. After quite a few beers and a lot of questions I finally let slip that I was going to be a father. What can I say? Beerboarding should be against the law." Franka_LV) |
| abbr., tradem. | ACCA-CO | Central Ohio Chapter of the Air Conditioning Contractors of America |
| abbr., mil. | ADM co | atomic demolitions munitions company |
| mil. | ADM Co | atomic demolition munition company (рота ядерных подрывных средств, рота ядерных фугасов [мин]; сокр. Углов) |
| abbr., mil. | admin co | administration company |
| abbr., polit. | Administrative Co-ordinating Committee | ACC |
| abbr., el. | ADSL-CO | asymmetric digital subscriber line central office |
| abbr., mil. | AG co | adjutant general's company |
| abbr., scottish | Agreement on Defence Co-operation | ADC |
| abbr., scottish | Ahmed International Equipment Co. Pvt Ltd | AIECO (Pakistan) |
| abbr., pipes., tradem. | Ahwaz Rolling and Pipe Mills Co. | Arpco (Иран) |
| abbr., scottish | Air Co-ordinating Committee | ACC |
| abbr., scottish | Air Force Rescue Co-ordination Center | AFRCC (USAF) |
| abbr., scottish | Air Force's Co-ordinating Office for Logistics Research | AFCOLR (USAF) |
| abbr., scottish | Air Standardization Co-ordination Committee | ASCC |
| abbr., scottish | Aircraft Accessories & Components Co | AACC (Saudi Arabia) |
| abbr., pipes., tradem. | American Cast Iron Pipe Co. | Acipco (США) |
| abbr. | American International Insurance Co. | AII |
| tech., abbr. | American Steel Wire Co's gage | ASW ga |
| abbr., astronaut. | American Telephone & Telegraph Co. | AT&T |
| abbr. | Anglers’ Co-operative Association | ACA (Кооперативная ассоциация рыболовов-спортсменов (Великобритания) Углов) |
| abbr., scottish | Anti-Air Warfare Commander / Co-ordinator | AAWC |
| abbr., scottish | Arab American Vehicles Co. | AAV (Egypt) |
| abbr., scottish | Arab British Dynamics Co. | ABD (Egypt) |
| abbr., scottish | Arab British Helicopters Co. | ABH (Egypt) |
| law | As Applicable to Co-operative Societies | AACS (Banking Regulation Act (AACS), 1949 Ker-online) |
| abbr., mil. | aslt hel co | assault helicopter company |
| abbr., scottish | Atomic Co-ordinating Office | ACO (Washington DC; W) |
| abbr., scottish | Austrian-Spanish Co-Operative Development | ASCOD |
| mil., abbr. | Authority for the Co-ordination of Inland Transport in Central Europe | ACTICE |
| abbr., scottish | Automated Deep Operations Co-ordination System | ADOCS |
| abbr., mil. | avn co | aviation company |
| abbr., mil. | avn GS co | aviation general support company |
| tradem., abbr. | Bay Area Laboratory Co Op | BALCO |
| abbr. | Beijing Olympic Broadcasting Co., Ltd. | BOB (Alex Lilo) |
| abbr., post | Bell Telephone Manufacturing Co | BTMC (manufacturer) |
| abbr., insur. | Black Sea Shipping Co. | Blasco |
| tradem., abbr. | Bounded Co Bounded | BCB |
| railw., abbr. | Brandenburg Industrial Service Co | BISX |
| abbr., mil. | brg co | bridge company |
| abbr., scottish | Briefing Co-ordination Facility | BCF |
| abbr., oil | British Petroleum Co. | B.P.C. |
| abbr., mining. | British Zone Petroleum Co-ordinating Authority | BZPCA |
| abbr., automat. | Brown and Sharp Co | B and S |
| railw., abbr. | Brown Boverie Co. | B.B.C. |
| gen. | C S-S Co | Cunard Steam-Ship Company (обслуживает линии между Великобританией и Северной Америкой) |
| abbr., scottish | Cable Supply & Consulting Co | CSC (Pte Ltd (Singapore)) |
| abbr., scottish | Canada-US Military Co-operation Community, US Section | MCC |
| abbr., scottish | Canadian Marconi Co. | CMC |
| abbr., O&G, sakh. | carbon monoxide co | co |
| abbr., mil. | cbt engr co | combat engineer company |
| abbr., mil. | cbt spt co | combat support company |
| abbr., scottish | Central MASINT Technology Co-ordinating Office | CMTCO (USA) |
| abbr., pipes., tradem. | Central Steel Tube Co. | CST (США) |
| abbr. | CHED CO | Commission on Higher Education - Central Office (Johnny Bravo) |
| abbr., O&G, sakh. | chemical abbreviation for carbon dioxide CO2 | CO2 |
| abbr., O&G, sakh. | chemical abbreviation for carbon monoxide CO | CO |
| abbr., busin. | China Nonferrous Metal Industry's Foreign Engineering and Construction Co. | NFC (Kovrigin) |
| abbr., pipes. | China Shenhua Coal to Liquid and Chemical Co., Ltd | China Shenhua Coal to Liquid and Chemical (Sagoto) |
| abbr. | ClCH2CO2H | chloroacetic acid (MichaelBurov) |
| abbr. | ClCH2CO2H | chloro-acetic acid (MichaelBurov) |
| abbr., chem. | ClCH2CO2H | MCA (MichaelBurov) |
| abbr. | ClCH2CO2H | monochloroacetic acid (MichaelBurov) |
| abbr. | ClCH2CO2H | chloro acetic acid (MichaelBurov) |
| mil. | cml co | chemical company (Киселев) |
| abbr., med. | Cml Decon Co | Chemical Decontamination Company |
| abbr., sport., physiol. | CO₂ | carbon dioxide |
| abbr., chem. | CO2 | carbon dioxide (MichaelBurov) |
| abbr. | CO2 | CO2 fixed type extinguishing system |
| abbr. | CO7 | Combined Staff Command Surgeon |
| abbr. | CO6 | Combined Staff Judge Advocate |
| abbr., O&G, sakh. | CO2 | chemical abbreviation for carbon dioxide CO2 |
| abbr., scottish | CO2 | Carbon dioxide |
| abbr., med. | 60Co | radioactive cobalt |
| abbr., med. | CO2 | Carbon Dioxide |
| abbr., mil. | CO2 | Consideration Of Others training |
| abbr. | Co-60 | cobalt-60 (MichaelBurov) |
| abbr. | Co-281 | coimbatore-281 |
| abbr., UN, clim. | CO2 | carbon dioxide |
| abbr., police | CO19 | Central Operations Specialist Firearms Command (hizman) |
| abbr. | CO3 | Combined Staff Public and Governmental Affairs Officer |
| abbr., med. | CO-1 | cardiac output at one minute |
| chem. | Co OH2 | Co(OH)2 |
| abbr. | co-ax. | co-axial |
| abbr. | Co Bdy | county boundary |
| abbr., plast. | Co-Blow | compression-blowing |
| abbr. | co-channel | in the same channel |
| abbr., mil. | CO/CO | contractor owned/contractor operated |
| abbr. | CO. Co. | Company |
| abbr. | Co-Co | 3o-3o (3х осная тележка Aprelskaya) |
| abbr., el. | CO-COM | Coordinating Committee |
| gen. | CO2 corrosion | CO2-коррозия (Alexander Demidov) |
| tradem., abbr. | Co Counselling International | CCI |
| ed., abbr. | Co Curricular Activities | CCA |
| univer., abbr. | Co Curricular Activity | CCA |
| univer., abbr. | Co Curricular Programs | CCP |
| energ.ind., abbr. | CO2-D20 reactor | CDR |
| law | co-defendant | In a criminal case, an individual charged with involvement in the same crime as another |
| law | co–defendant | in a criminal case, an individual charged with involvement in the same crime as another |
| comp., abbr. | Co-design Finite State Machine | CFSM |
| tech., abbr. | CO2-D2O reactor | CDR |
| abbr. | CO2-e | CO2 equivalent (MichaelBurov) |
| abbr. | CO2-e | carbon footprint (MichaelBurov) |
| st.exch. | CO2e | Carbon Dioxide Equivalent (Canadian futures aht) |
| abbr., bioenerg. | CO2 e | CO2 e |
| abbr., oil.proc. | CO2e | CO2 equivalent (MichaelBurov) |
| abbr., oil.proc. | CO2e | CO2-e emission (MichaelBurov) |
| abbr., oil.proc. | CO2e | carbon dioxide equivalent (MichaelBurov) |
| abbr., oil.proc. | CO2e | equivalent CO2 (MichaelBurov) |
| abbr., oil.proc. | CO2-e | carbon dioxide equivalent (MichaelBurov) |
| abbr., oil.proc. | CO2-e | CO2-e emission (MichaelBurov) |
| abbr. | CO2e | carbon footprint (MichaelBurov) |
| ecol. | CO2e | Carbon Dioxide Equivalent (Carbon Dioxide Equivalent (CO2e or CO2eq) means the standard metric measure used by [the UN's Intergovernmental Panel on Climate Change (IPCC)] [in industry] [for vehicles] to compare the emissions from various Greenhouse Gases (GHGs) on the basis of their global warming potential over a specified timescale in order to express a Carbon Footprint that consists of different GHGs as a single number: Carbon Dioxide Equivalent (CO2e or CO2eq) means a unit of measurement that is used to standardise the climate effects of various Greenhouse Gases. 'More) |
| abbr., oil | CO2-ECBM | carbon dioxide-enhanced coalbed methane (recovery) |
| abbr. | co-ed | co-editor |
| USA | co-ed | coeducational student |
| abbr. | co-editor | co-ed |
| abbr., mil., avia. | CO2EDL | carbon dioxide electric-discharge-excited laser |
| tech. | CO2EDL | carbon oxide electric discharge-excited laser |
| abbr., O&G. tech. | CO2 EOR | carbon dioxide EOR (метод повышения нефтеотдачи скважины (с исп. ввода углекислого газа под давлением) Val_Ships) |
| ecol. | CO2eq | Carbon Dioxide Equivalent (Carbon Dioxide Equivalent (CO2e or CO2eq) means the standard metric measure used by [the UN's Intergovernmental Panel on Climate Change (IPCC)] [in industry] [for vehicles] to compare the emissions from various Greenhouse Gases (GHGs) on the basis of their global warming potential over a specified timescale in order to express a Carbon Footprint that consists of different GHGs as a single number: Carbon Dioxide Equivalent (CO2e or CO2eq) means a unit of measurement that is used to standardise the climate effects of various Greenhouse Gases. 'More) |
| abbr., bioenerg. | CO2 equivalent | CO2 e |
| abbr. | CO2 equivalent | CO2-e (MichaelBurov) |
| abbr., med. | COF | cardiac output Fick technique |
| abbr., chem. | CO-filter | CO-canister |
| abbr., biotechn. | CO-FISH | chromosome-orientation fluorescence in situ hybridization (Altuntash) |
| O&G, abbr. | CO2 fixed type extinguishing system | CO2 |
| energ.ind. | co-generation plant | CHP plant (MichaelBurov) |
| energ.ind. | co-generation plant | CCPP (MichaelBurov) |
| energ.ind. | co-generation station <не рек.> | CHP plant (MichaelBurov) |
| energ.ind. | co-generation station <не рек.> | CCPP (MichaelBurov) |
| abbr., med. | CO-GHD | Childhood-onset Growth Hormone Deficiency |
| abbr. | co hd | coral headland |
| mil. | co hq | company headquarters (Киселев) |
| abbr., med. | Co I | coenzyme I |
| NASA | CO-I | Co Investigator |
| abbr., genet. | Co-IF | co-initiation factor |
| abbr. | Co II | coenzyme II |
| abbr., polym. | Co-Injection RTM | CIRTM (bonly) |
| abbr. | Co.Inst. | Coke's Institutes |
| abbr. | co-intel | counterintelligence |
| abbr. | Co Investigator | CI |
| abbr., mil., air.def. | CO-IPX | connection-oriented Internet packet eXchange |
| abbr. | CO-IPX | Connection Orientated Internet Packet eXchange (Novell, Netware, IPX) |
| abbr., comp., net. | CO-IPX | Connection-Oriented IPX |
| gen. | Co KG | GmbH & Co. KG (4uzhoj) |
| abbr., el. | CO-LAN | central office local area network |
| abbr., scottish | CO2 Laser Technology | COLT |
| abbr. | Co.Lit | Commentary on Litleton, by Sir Edward Coke |
| law | Co.Lit | Commentary on Littleton, by Sir Edward Coke (The First Part of the Institutes of the Laws of England) |
| law | Co.Litt | Commentary on Littleton, by Sir Edward Coke (The First Part of the Institutes of the Laws of England) |
| inet. | co lo | colocation ((размещение серверов заказчика на технической площадке компании c подключением их к Интернет) Web hosts can also provide data center space and connectivity to the Internet for servers they do not own to be located in their data center, called colocation. wiki; I also like the co lo provider to be able to restart my server in case of a crash, breakdown etc ... Alexander Demidov) |
| abbr., auto. | CO.Ltd | company limited |
| abbr., expl. | Co.Ltd. | Company Limited |
| abbr., scottish | CO-NEWS | Communications Naval Electronic Warfare System |
| tech. | CO/NO | current operator-next operator |
| energ.ind. | CO2NS | carbon dioxide natural sinks |
| physiol., abbr. | Co Occurring Disorders | COD |
| abbr., mil. | Co Off | company (grade) officers |
| abbr. | Co Off | company officer |
| abbr. | co-op | co-operation (Vosoni) |
| agric. | co-op | cooperation |
| abbr., ed. | CO-OP | Cooperative Education |
| abbr., ed. | CO-OP | Cooperative |
| abbr. | co-op | co-operative (Vosoni) |
| abbr. | "co-op" | co-operative |
| abbr., econ. | co-op | cooperative store |
| abbr. | co-op | cooperative society |
| inf. | co-op | cooperative |
| abbr., adv. | co-op advertising | cooperative advertising |
| airports, abbr. | Co-Op Point, Manitoba, Canada | YCP |
| abbr., adv. | co-op program | cooperative program |
| abbr., adv. | co-op store | cooperative store |
| abbr., adv. | co-op wholesaler | cooperative wholesaler |
| abbr. | co-operation | co-op (Vosoni) |
| abbr., scottish | Co-operation Council for the Arab States of the Gulf | GCC |
| abbr. | co-operative | co-op (Vosoni) |
| abbr., scottish | Co-operative Air & Missile Defence Exercise Network | CAMDEN |
| abbr., scottish | Co-operative Angle Jammer | CAJ |
| abbr., scottish | Co-operative Engagement | CE |
| abbr., scottish | Co-operative Engagement Capability | CEC |
| abbr. | Co-operative Housing & Premises Societies | Co Op Hsg Soc (Johnny Bravo) |
| abbr. | Co-Operative Housing Society | Chs (4uzhoj) |
| abbr., scottish | Co-operative R&D Agreement | CRDA |
| abbr., scottish | Co-operative Research And Development Agreement | CRADA |
| abbr., scottish | Co-operative Threat Reduction | CTR |
| abbr., scottish | Co-operative Threat Reduction Programme | CTRP |
| tradem., abbr. | Co-operators Investment Counselling Limited | CICL |
| NASA, abbr. | Co Optimized Booster For Reusable Applications | COBRA |
| abbr., scottish | Co-ordinating Committee for East-West Trade Policy | COCOM |
| abbr., dipl. | Co-ordinating Committee of East-West Trade Policy | COCOM |
| abbr. | Co-ordinating European Council | CEC (4uzhoj) |
| abbr., scottish | Co-ordinating Installation Design Authority | CIDA |
| abbr., scottish | Co-ordination, Control, Communications & Intelligence Center | C3IC (USA) |
| abbr., pharm. | Co-ordination group for Mutual recognition and Decentralised procedures | CMD(h) (Координационная группа по процедуре взаимного признания и децентрализованной процедуре для лекарственных препаратов для медицинского применения peregrin) |
| abbr., pharm. | Co-ordination group for Mutual recognition and Decentralised procedures | CMDh (peregrin) |
| abbr., scottish | Co-ordination & Warning System | CWS (Denmark) |
| abbr., econ. | co-part | counterpart |
| abbr. | co-part | counter-part |
| mil., abbr. | Co-Pilot | CP |
| avia., Canada | co-pilot | A licensed pilot assigned to duty as a pilot in an aircraft during flight time, other than as (a) a pilot-in-command; or (b) a pilot receiving flying instruction |
| abbr., scottish | Co-Pilot / Gunner | CPG |
| abbr. | co-pol | co-polarization |
| tech., abbr. | co-polarization | co-pol |
| chem., abbr. | Co Polymer Alloy | CPA |
| abbr., file.ext. | Co-Processing Node Architecture for Parallel Systems | CNAPS |
| cinema | co-producer | A producer who performs a substantial portion of a creative producing function, or who is primarily responsible for one or more managerial producing functions. A co-producer has less responsibility than a producer for the completion of a project. Note that if a project has more than one producer, it doesn't mean that these individuals are "co-producers" in the technical sense of that term. See also executive producer, associate producer, line producer. |
| abbr., med. | Co Q | coenzyme Q |
| abbr. | co-re | co-respondent |
| abbr. | co-respondent | co-re |
| abbr., inf. | co-respondent | co |
| brit. | co-respondent's shoes | two-tone shoes (wikipedia.org Abysslooker) |
| abbr., space | CO₂RS | CO₂ research satellite |
| abbr., space | CO2 RS | CO2 research satellite |
| abbr. | CO RTE | company route (Interex) |
| abbr., oil | CO&S | clean out and shoot |
| law | Co. Secy | Company Secretary (Индия Евгений Тамарченко) |
| meteorol. | CO WAR | Scientific Committee on Weather Research |
| abbr., scottish | Collection, Co-ordination & Intelligence Requirements Management | CCIRM |
| railw., abbr. | Columbian Chemicals Co | CCX (Subsidiary of Phelps Dodge Corporation) |
| abbr., mil. | comd op co | command operations company |
| abbr., scottish | Committee for European Airspace Co-ordination | CEAC |
| abbr., scottish | Computing Devices Co. | CDC (Canada) |
| abbr., scottish | Conference on Security & Co-operation in Europe | CSCE |
| abbr., scottish | Conference on Security & Co-operation in the Mediterranean & Middle East | CSCM |
| abbr., scottish | Council for Security Co-operation in Asia-Pacific | CSCAP |
| abbr., scottish | Crisis Co-ordination Center | CCC (US Secretary of Defense) |
| abbr., scottish | Cross Channel Co-ordination Centre | CCCC |
| abbr., scottish | Decision Co-ordinating Paper | DCP (USA) |
| abbr., agric. | Deep Ocean Resources Development Co., Ltd. | DORD |
| abbr., scottish | Defence Co-operation Agreement | DCA |
| abbr., scottish | Defence Co-operation in Armaments | DCA |
| abbr., scottish | Defence Information Technology Co-ordinating Committee | DITCC |
| abbr., scottish | Defence Movements Co-ordinating Committee | DMCC |
| abbr., scottish | Defense & Economic Co-operation Agreement | DECA (USA) |
| abbr. | Denver, CO, USA - Denver International Airport Code | DEN (Alex Lilo) |
| abbr., scottish | Deutsche Schlauchbootfabrik Hans Scheibert GmbH & Co | DSB (KG (Germany)) |
| abbr. | Dimerization CO-factor of Hepatocyte nuclear factor 1 | DCOH-1 |
| abbr., med. | DLco | diffusing capacity of the lung for carbon monoxide |
| abbr., scottish | Douglas Aircraft Co. | DAC (USA) |
| ed., abbr. | Downs Industry Schools Co Op | DISCO |
| abbr., O&G, sakh. | Dresser Flow Solutions Co. | DFS |
| abbr. | DWT/CO | Decent Work Technical Support Team and Country Office (ILO 4uzhoj) |
| abbr., scottish | Electronic Combat/Co Pilot | ECP |
| abbr., commer. | 7-Eleven is part of an international chain of convenience stores, operating under Seven-Eleven Japan Co. Ltd, which in turn is owned by Seven & I Holdings Co. of Japan.2 | 7-eleven (Pavel) |
| abbr. | Emergency Co-ordination Centre | ECC (SEIC ABelonogov) |
| abbr. | Emergency Co-ordination Team | ECT (SEIC ABelonogov) |
| abbr. | Emergency Co-ordinator | EC (SEIC ABelonogov) |
| abbr., scottish | Engineering Representation & Consultants Co. | ERCO (Egypt) |
| abbr., mil. | engr cbt co | engineer combat company |
| abbr. | ENGR TOPO CO | engineer topographic company |
| abbr., oil.proc. | equivalent CO2 | CO2-e (MichaelBurov) |
| abbr. | European Aeronautic Defense and Space Co | EADS (Olga Okuneva) |
| abbr., dipl. | European Centre for the Co-ordination of Research and Documentation in the Social Sciences | ECSS |
| abbr., scottish | European Co-operative Long-Term Initiative in Defence | EUCLID |
| abbr., scottish | European Military Communications Co-ordinating Committee | EMCCC |
| abbr., astronaut. | European Research Grouping Arrangement No 1 concerning Co-Operative Defence Research and Technology Projects | ERG-1 2002 (semfromshire) |
| abbr., foreig.aff. | European Steering Committee for Intergovernmental Co-operation in the Youth Field | CDEJ |
| gen. | Ex Co | Executive Council |
| abbr. | f.co. | fair copy |
| tech. | FAC/CO | facility checkout |
| abbr., pipes., tradem. | Far East Machinery Co. Ltd. | Femco (Тайвань) |
| abbr., O&G | Far East Marine Geology Engineering Co. | FEMGEC (MichaelBurov) |
| abbr., O&G | Far East Marine Geology Engineering Co. | DMIGE (MichaelBurov) |
| abbr., O&G, sakh. | Far East Marine Geology Engineering Co. | DMIGE |
| abbr., oil | Far East Marine Geology Engineering Co. | FEMGE |
| railw., abbr. | Farmers Grain Co-Operative | FGGX |
| abbr. | Fd Svy Co | field survey company |
| abbr., scottish | Fire Support Co-ordination Centre | FSCC |
| abbr., scottish | Fire Support Co-ordination Line | FSCL |
| abbr., scottish | Force Anti-Air Co-ordination Area | FAACA |
| abbr., scottish | Force Anti-Air Warfare Co-ordinator | FAAWC |
| abbr. | G.E.Co | General Electric Company |
| vet.med., abbr. | General Committee for Agricultural Co-operation in the European Union | COGECA |
| abbr., scottish | General Dynamics Services Co. | GDSC (USA) |
| abbr., scottish | General Electric Co. | GE (USA) |
| abbr., scottish | General Staff, Civil / Military Co-operation | G5 (British Army) |
| abbr., scottish | Georgia, Ukraine, Azerbaijan, Moldova regional co-operation group | GUAM |
| abbr., automat. | Giddings and Lewis Co. | G and L |
| tech. | GO-CO | Government owned-contractor operated |
| mil. | GO/CO | government-owned, contractor-operated |
| energ.ind. | GO-CO | Governmental owned/contractor operated |
| abbr., pipes., tradem. | Grand Bahama Steel and Pipe Co. Ltd. | GBSP (Багамские острова) |
| abbr., scottish | Greene, Tweed & Co | GTC (Ltd (UK)) |
| abbr., scottish | GTE International Systems Co. | GTEISC (USA) |
| busin., abbr. | Gulf Co-operation Council | GCC |
| abbr., physiol. | H2CO3 | Carbonic Acid |
| abbr., energ.ind. | Hangzhou Steam turbine Co.,Ltd. | HTC (Galka_I) |
| abbr., scottish | Harbin Aircraft Manufacturing Co. | HAMC (China) |
| tech., abbr. | Harbison-Walker Refractories Co | H-W |
| abbr., scottish | Hardware Specialty Co | HS (Inc. (USA)) |
| abbr., scottish | Hewlett-Packard Co. | HP (USA) |
| abbr., med. | Hgb-CO | hemoglobin-carbon monoxide saturation |
| abbr., scottish | Hong Kong Aircraft Engineering Co | HAECO (Ltd) |
| abbr., mil. | hq co | headquarters company hq |
| abbr. | HQ co | headquarters company (Киселев) |
| abbr., scottish | Hughes Aircraft Co. | HAC (USA) |
| abbr., qual.cont. | I&CO | installation and check-out |
| abbr., avia. | I&CO | installation and checkout |
| abbr. | I & CO | installation and checkout |
| abbr., pipes., tradem. | Indonesian National Steel Tube Co. | Inastu (Индонезия) |
| abbr., scottish | Industrial Co-operation Agreement | ICA |
| abbr., scottish | Information Co-ordination Centre | ICC |
| abbr., scottish | Information Co-ordination Control | ICC |
| abbr., scottish | Infra-red Chemistry Experiments, Co-ordinated Auroral Program | ICE CAP (USA) |
| mil. | infrared CO2 laser | Laser which can heat the skin of a target to cause pain but will not burn the skin |
| law | Ins.Co. | Insurance Company |
| abbr., EU. | insulation co-ordination | insulation coordination (Andrey Truhachev) |
| energ.ind., abbr. | Integrated CO2 Network | ICO2N |
| abbr., scottish | Intercontinental Metals Export Co. | IME (USA) |
| abbr., scottish | Interdepartmental Commission on Military-Technical Co-operation | ICMTC (Russia) |
| abbr., scottish | International Bank for Economic Co-operation | IBEC |
| vet.med., abbr. | International Co-operation on Harmonisation | ICH (of Technical Requirements for the Registration of Veterinary Medicinal Products) |
| abbr., econ. | International Co-operative Agricultural Organisation | ICAO (International Co-operative Agricultural Organisation (ICAO) is a sectoral organisation of the International Co-operative Alliance 4uzhoj) |
| interntl.trade., abbr. | International Co-operative Alliance | ICA |
| abbr., avia. | International Co-ordinating Council of Aerospace Industries Associations | ICCAIA |
| abbr., scottish | International Electronic Research Co. | IERC (USA) |
| abbr., scottish | Ishikawajima Noise Control Co | INC (Ltd (Japan)) |
| abbr., scottish | Ishikawajima-Harima Heavy Industries Co | IHI (Ltd (Japan)) |
| abbr., O&G | Japan Petroleum Exploration Co., Ltd. | JAPEX (MichaelBurov) |
| abbr., polit. | Joint and Co-sponsored UN Programme on HIV/AIDS | UNAIDS |
| abbr., scottish | Joint Anti-Air Warfare Shore Co-ordination Network | JAAWSC (NATO) |
| abbr., scottish | Joint Logistics Co-ordination Centre | JLCC |
| abbr., scottish | Joint Movement Co-ordinating Committee | JMCC |
| abbr., scottish | Joint Nuclear Accident Co-ordinating Center | JNACC (USA) |
| abbr., scottish | Joint Technical Co-ordinating Group for Munitions Effectiveness | JTCG/ME (USA) |
| abbr., scottish | Joint Technical Co-ordinating Group on Aircraft Survivability | JTCG/AS (USA) |
| abbr., automat. | Jones and Lamson Co. | J and L |
| abbr., scottish | JORN Co-ordination Centre | JCC (Australia) |
| abbr., med. | Kco | pulmonary diffusion coefficient |
| abbr., chem. | K2CO3 | potassium carbonate (MichaelBurov) |
| chem. | K3Co NO26 | K3CO(NO2)6 |
| abbr., scottish | Korea Explosives Co | KEC (Ltd (Korea, South)) |
| abbr., pipes., tradem. | Korea Integrated Special Steel Co. Ltd. | Kisco (Южная Корея) |
| abbr., el. | L-CO2 | liquid carbon dioxide |
| abbr., industr. | Lanzhou LS Heavy Equipment Co.,Ltd | LS Group (Sagoto) |
| chem. | Li2CO3 | CO3Li2 |
| abbr., scottish | Light Helicopter Turbine Engine Co. | LHTEC (USA) |
| abbr., scottish | Local Anti-Air Warfare Co-ordinator | LAAWC |
| abbr., scottish | Local Road Transport Co-ordinator | LRTC (British Army) |
| abbr., scottish | Lockheed Aeronautical Systems Co. | LASC (USA) |
| abbr., scottish | Lockheed Aircraft Services Co. | LAS (USA) |
| abbr., scottish | Lockheed Engineering & Sciences Co. | LESC (USA) |
| abbr., scottish | Lockheed Missiles & Space Co | LMSC (Inc. (USA)) |
| abbr., scottish | Lockheed Space Operations Co. | LSOC (USA) |
| abbr., scottish | Lockheed Technical Operations Co. | LTOC (USA) |
| mil., abbr. | Logical Co-Processing Kernel | LOCK |
| abbr., scottish | Logistics Co-ordination Centre | LCC |
| el., abbr. | Low Temperature Co-fired Ceramic | LTCC |
| abbr., telecom. | 3M Co. | Minnesota Mining and Manufacturing Co. |
| abbr., scottish | Main Administration for Military-Technical Co-operation | MAMTC (Russia) |
| abbr., pipes., tradem. | Malaysia Steel Pipe Mfg Co. Ltd. | MSP (Сингапур) |
| abbr., scottish | Maritime Air Co-ordination Authority | MACA |
| abbr., scottish | McDonnell Douglas Helicopter Co. | MDHC (USA) |
| abbr., scottish | McDonnell Douglas Missile Systems Co. | MDMSC (USA) |
| abbr., scottish | McDonnell Douglas Space Systems Co. | MDSSC (USA) |
| abbr., chem. | Me2CO | acetone |
| abbr., oil | MEA CO2 rp | monoethanolamine carbon dioxide removal process |
| mil. | mech inf co | mechanized infantry company (Киселев) |
| abbr., med. | Med Co | Medical Company |
| abbr., med. | Med Dep Co | Medical Depot Company |
| abbr., mil. | med evac co, amb | medical evacuation company, ambulance |
| gen. | memo of co-operation | MoC (MichaelBurov) |
| gen. | memo on co-operation | MoC (MichaelBurov) |
| gen. | memorandum of co-operation | MoC (MichaelBurov) |
| gen. | memorandum on co-operation | MoC (MichaelBurov) |
| abbr., pipes., tradem. | Metal Rolling and Tube Co. Pvt. Ltd. | MRT (ЮАР) |
| abbr., econ. | Mfg. Co. | manufacturing company |
| abbr., med. | Mgb CO | carboxymyoglobin |
| abbr., astronaut. | Middle Atmosphere Co-operation programme | MAC |
| abbr., scottish | Middle East Regional Co-operation for Development | RCD |
| abbr., pipes., tradem. | Middle East Tube Co. Ltd. | Metco (Израиль) |
| chem., abbr. | Midland Michigan Co-generation Venture | MCV |
| abbr., scottish | Military Control / Co-ordination Centre | MCC |
| abbr., scottish | Military Technical Co-operation | MTC |
| abbr., mil., WMD | Mine Safety Appliances, Co. | mine safety appliances, co. (название фирмы) |
| abbr., mil., WMD | Mine Safety Appliances, Co. | MSA |
| abbr., scottish | Mistral Co-ordination Command Post | MCP |
| abbr. | mov co | movement control |
| abbr., mining. | Multinational Geospatial Co-production Program | MGCP (estherik) |
| abbr., scottish | Nanchang Aircraft Manufacturing Co. | NAMC (China) |
| abbr., O&G, sakh. | National Oilwell Co. | NOI |
| abbr., mining. | National Petroleum Radio Frequency Co-ordinating Association | NPRFCA |
| abbr., scottish | National Strike Force Co-ordination Center | NSFCC (USA) |
| abbr., scottish | Naval Air Projects Co-ordination office | NAPC (USA) |
| IT, abbr. | Network Co-ordinator | NC (FidoNet) |
| tech., abbr. | Nippon Atomic Industry Group Co., Ltd. | NAIG |
| abbr., IT | Nippon Electric Co | NEC |
| abbr., mil., air.def. | NMS-CO | national military strategy for cyberspace operation |
| abbr., mil. | NMS-CO | National Military Strategy for Cyberspace Operations |
| abbr., scottish | Non-Co-operative Target | NCT |
| abbr., scottish | Non-Co-operative Target Identification | NCTI |
| abbr., scottish | Non-Co-operative Target Recognition | NCTR |
| abbr. | North American Automated Systems co. | NAAS |
| abbr., scottish | North Pacific Co-operative Security Dialog | NPCSD (Canada) |
| abbr., scottish | Northeast Asian Co-operation Dialogue | NACD |
| abbr., int.rel. | Northern Ireland Co-operation Overseas | NICO (Ker-online) |
| railw., abbr. | Northwestern Oklahoma Railroad Co | NOKL |
| tech., abbr. | Nuclear Fuel And Waste Management Co | SKB |
| abbr., mil., avia. | O&CO | operations and checkout |
| abbr., scottish | Office of Defense Co-ordination | ODC (USA) |
| NGO, abbr. | Ontario Flower Growers Co-op | OFG |
| abbr., scottish | Organisation Africaine et Malgache de Co-operation Economique | OAMCE |
| abbr., scottish | Organisation for Economic Co-operation & Development | OECD |
| abbr., scottish | Organisation for European Economic Co-operation | OEEC (Now OECD) |
| abbr. | Organization for Economic Co-operation and Development | OECD |
| UN, abbr. | Organization for Security and Co-operation in Europe | OSCE |
| abbr. | Original Mingguang Haomiao Fire Protection Technology Development Co., Ltd | (is an original firefighting equipment manufacturer located in Mingguang city) (Sagoto) |
| abbr. | P & CO | plans and combat operations |
| abbr., med. | P CO2 | partial pressure of carbon dioxide |
| law | Pa.Co.Ct.R. | Pennsylvania County Court Reports |
| abbr., pipes., tradem. | Pacific Tube Co. | Patco (США) |
| law | Pa.Dist. & Co. | Pennsylvania District and County Reports |
| law | Pa.Dist. & Co.2d. | Pennsylvania District and County Reports, Second Series |
| law | Pa.Dist. & Co.3d. | Pennsylvania District and County Reports, Third Series |
| abbr., scottish | Partnership Co-ordination Cell | PCC (NATO) |
| abbr., med. | Patho Tec-CO | cytochrom oxydase |
| abbr., med. | PECO2 | pressure of carbon dioxide in expired gas |
| abbr., avia. | PERT-CO | program evaluation and review technique-cost |
| abbr., pharma. | Pharmaceutical Inspection Co-operation Scheme | PIC/S (Система сотрудничества по фармацевтическим инспекциям kat_j) |
| abbr., scottish | Physics International Co. | PI (USA) |
| gen. | protocol of co-operation | MoC (MichaelBurov) |
| gen. | protocol on co-operation | MoC (MichaelBurov) |
| winemak. | pt-co scale | Platinum-Cobalt Scale (baletnica) |
| abbr., proj.manag. | Pty. Co. | proprietary company |
| abbr., pipes., tradem. | Pusan Steel Pipe Industry Co. Ltd. | PSP (Южная Корея) |
| abbr., industr. | Puyang Zhongyuan Restar petroleum equipment Co.,Ltd | RSD (Sagoto) |
| abbr., scottish | Radar d'Alert et de Co-ordination | RAC (France) |
| IT, abbr. | Region Co-ordinator | RC (FidoNet) |
| abbr., scottish | Rescue Co-ordination Centre | RCC |
| abbr., scottish | Rohde & Schwarz GmbH & Co.KG | R&S (Germany) |
| abbr., scottish | Roland Co-ordination Centre | RCC (USA) |
| tech. | RSW CO2 | refrigerated seawater saturated with carbon dioxide |
| abbr. | Russian Settlement Co-ordinating Unit | RSCU (Lavrov) |
| clin.trial. | s/co | signal/cutoff (iwona) |
| abbr., energ.ind. | S-CO2 | supercritical carbon dioxide power cycle (MichaelBurov) |
| abbr., energ.ind. | S-CO2 | supercritical CO2 (MichaelBurov) |
| abbr., energ.ind. | S-CO2 | supercritical CO2 power cycle (MichaelBurov) |
| abbr., radio | S/CO | signal/cutoff (Vadim Rouminsky) |
| immunol. | S/Co ratio | signal-to-cutoff ratio (iwona) |
| tradem., abbr. | Savings And Credit Co Operative | SACCO |
| abbr. | Science Co-operation Office for South-East Asia | SEASCO |
| abbr. | Selective Co-operative Secondary Surveillance System | Mode S (MichaelBurov) |
| abbr., mil., WMD | SFAE-CD-CO-O | Office symbol for PMCD operations branch |
| abbr., scottish | Shaanxi Aircraft Co. | SAC (China) |
| abbr., med. | Shantou Institute of Ultrasonic Instruments Co.,Ltd | SIUI (название компании в Китае, выпускающей ультразвуковое оборудование Лорина) |
| abbr. | Sig Avn Lt Cons Co | Signal Aviation Light Construction Co. |
| mil., avia. | Sig Co Wg | signal company, wing |
| abbr. | Sm/Co | Samarium / cobalt |
| abbr. | SO/CO | Service Office/Central Office |
| abbr., scottish | South Pacific Bureau for Economic Co-operation | SPEC |
| abbr. | Special Educational Needs Co Ordinator | SENCO |
| abbr., scottish | Special Projects Co-ordination | SPC (UK) |
| abbr. | S/S Co. | Steamship company (Vosoni) |
| abbr., scottish | Submarine Element Co-ordinator | SEC |
| energ.ind. | supercritical CO2 | S-CO2 (MichaelBurov) |
| abbr., scottish | Supporting Arms Co-ordination Centre | SACC |
| abbr., med. | Svco | carbon oxide saturation of hemoglobin |
| abbr., scottish | System Co-ordinating Installation Design Authority | SCIDA |
| abbr., mil., avia. | T&CO | test and checkout |
| abbr. | T & CO | test and checkout |
| abbr., scottish | TAC Co-ordinator Automated Command & Control Information System | TACACCIS (USA) |
| abbr., scottish | Tactical Co-ordination Console | TCC |
| abbr., mil. | Tanker Structure Co-operative Forum | TSCF (Interex) |
| abbr., scottish | Technology Applications & Services Co. | TAS (USA) |
| abbr., med. | temp co | temperature coefficient |
| abbr., pipes., tradem. | Thai-Asia Steel Pipe Co. Ltd. | TAS (Таиланд) |
| abbr., scottish | The General Electric Co. plc | GEC (UK) |
| abbr. | The OSCE Project Co-ordinator in Ukraine | OSCE PCU (Alex Lilo) |
| meteorol., abbr. | Thermal Co- Efficient | TCE |
| abbr., mil. | tk co | tank company |
| abbr., scottish | Top Line Co. | TLC (USA) |
| abbr., ecol. | total CO2 | tCO2 (MichaelBurov) |
| abbr. | Tr.Co. | trust company |
| abbr., scottish | Trilateral Co-ordination and Oversight Group | TCOG (US, Japan and South Korean policies on North Korea) |
| abbr., scottish | Trilateral Frigate Co-operation | TFC (Netherlands, Germany and Spain) |
| abbr., energ.syst. | Turkish Electricity Generation and Transition Co | TEAS (MichaelBurov) |
| abbr., scottish | UN Office for the Co-ordination of Humanitarian assistance to Afghanistan | UNOCHA |
| abbr., scottish | Union Africaine et Malgache de Co-operation Economique | UAMCE |
| tech., abbr. | Union Electric Co. | UE |
| abbr., scottish | United Fastener Co | UFC (Inc. (USA)) |
| UN, abbr. | United Nations Special Co Ordinator | UNSCO |
| tech., abbr. | United States Testing Co. | UST |
| abbr., IT | University Computing Co | UCC |
| vet.med., abbr. | Veterinary International Co-operation on Harmonization | VICH (of Technical Requirements for the Registration of Veterinary Medicinal Products - EU) |
| abbr., plast. | W. Co. | water column |
| abbr., plast. | W. Co | water column |
| abbr., automat. | Warner and Swasey Co. | W and S |
| railw., abbr. | Waterfront Container Leasing Co., Inc. | WFHU |
| abbr., pipes., tradem. | Welded Tube Co. of America | Welco (США) |
| abbr., scottish | Westinghouse Electronic Systems International Marketing Co. | WESIM (USA) |
| abbr., file.ext. | Wide-Area Network Interface Co-Processor | WNIC |
| busin., abbr. | Worker Co-operative Developers' Network | WCDN |
| abbr., industr. | Wuzhong Instrument Co., Ltd | WZI (Sagoto) |
| abbr., scottish | Wyman-Gordon Co. | WGC (USA) |
| abbr., scottish | Xi'an Aircraft Co. | XAC (China) |
| IT, abbr. | Zone Co-ordinator | ZC (FidoNet) |
