| Subject | English | Thesaurus |
| IT, abbr. | Association for Local Telecommunications Services | ALTS (organization, USA) |
| law, abbr. | Consortium Of Local Authorities Special Programme | CLASP |
| abbr., IT | Custom Local Area Signaling Services | CLASS |
| IT, abbr. | Custom Local-Area Signaling Services | CLASS |
| telecom., abbr. | Custom Local Area Signaling Services | CLASS (Bellcore) |
| abbr., bank. | Delivery of Improved Local Services | DILS (из материалов Всемирного банка Beforeyouaccuseme) |
| abbr., scottish | Local Anti-Air Warfare Co-ordinator | LAAWC |
| abbr. | Local area network Control Program | LCP (Vosoni) |
| telecom., abbr. | Local Area Signaling Services | LASS |
| abbr., file.ext. | Local Authorities Management Services and Computer Committee | LAMSAC |
| ocean., abbr. | Local Coastal Program | LCP |
| abbr., commun. | Local Multipoint Distribution Services | LMDS |
| abbr., scottish | Local Road Transport Co-ordinator | LRTC (British Army) |
| abbr., commun. | Local Services Management System | LSMS |
