| Subject | English | Thesaurus |
| energ.ind., abbr. | Association of Energy Services Professionals | AESP |
| media., abbr. | Association of Professional Recording Services | APRS |
| abbr. | Certified Professional Medical Services Management | CPMSM |
| abbr., ling. | Certified Translation Professional program | CTP program (MichaelBurov) |
| abbr., scottish | Engineering & Professional Services Inc. | EPS (USA) |
| busin., abbr. | Innovative Professional Services | IPS |
| IT, abbr. | Lotus Professional Services | LPS (Lotus) |
| NYSE., abbr. | Modis Professional Services, Inc. | MPS |
| tradem., abbr. | Nikon Professional Services | NPS |
| tradem., abbr. | Professional Analytical and Consulting Services | PACS |
| busin., abbr. | Professional Clinical Services | PCS |
| abbr., IT | Professional Developer's Program | PDP |
| abbr. | Professional Diploma in Financial Services Management | PDFSM (Anglophile) |
| univer., abbr. | Professional Experience Program | PEP |
| abbr., sport. | Professional Intensity Interval Training | P.I.I.T (Natalya Rovina) |
| abbr. | Professional Options Package | POP (Alex Lilo) |
| tradem., abbr. | Professional Quality Services | PQS |
| USA | Professional Services | PS |
| busin., abbr. | Professional Services Automation | PSA |
| media., abbr. | Professional Services Journal | PSJ |
| tradem., abbr. | Professional Services Organization | PSO |
| abbr. | Professional Standards Program | PSP |
| ed., abbr. | Superintendents Professional Development Program | SPDP |
| tradem., abbr. | Technical Professional Services | TPS |
| media., abbr. | The Society Of Professional Audio Recording Services | SPARS |
| univer., abbr. | Wharton Programs for Working Professionals | WPWP |
