| Subject | English | Thesaurus |
| IT, abbr. | Application Control Architecture Services | ACAS (DEC) |
| abbr., IT | CD-ROM/Extended Architecture | CD-ROM/XA |
| mil., abbr. | Command Intelligence Architecture/Planning Program | CIAP |
| abbr., file.ext. | Co-Processing Node Architecture for Parallel Systems | CNAPS |
| softw., abbr. | Enterprise Architecture Program Management Office | EAPMO |
| abbr. | extended architecture ready CD-ROM | extended architecture ready compact disk read-only memory (ssn) |
| comp. | extended architecture ready CD-ROM | XA-ready CD-ROM (ssn) |
| abbr., IT | Financial Services Architecture | FSA |
| abbr., progr. | Microsoft Services Business Architecture | MSBA (ssn) |
| abbr., scottish | Naval Architecture Design & Material Assistance Programme | NADMAP (UK) |
| IT, abbr. | Netware Telephony Services Architecture | NTSA |
| abbr., file.ext. | NetWare Telephony Services Architecture | NTSA (Novell) |
| abbr., comp., net. | Network Open Services Architecture | NOSA |
| abbr., comp., net. | Network Open Services Architecture | NOCA |
| abbr., comp., net. | New Information Services Architecture | NISA |
| comp., abbr. | Open Grid Services Architecture | OGSA |
| mil., abbr. | PACOM Theater Intelligence Architecture Program | PTIAP |
| mil., abbr. | Strategic Intelligence Architecture Program | SIAP |
| abbr., comp., net. | Systems Network Architecture Distributed Services | SNADS |
| abbr., comp., net. | Systems Network Architecture/Management Services | SNA/MS |
| abbr., file.ext. | Telephony Services Architecture | TSA |
| mil., abbr. | Universal Network Architecture Services | UNAS |
| abbr., comp., net. | Windows Open Services Architecture | WOSA |
| abbr., comp., net. | Windows Open Services Architecture | WOCA |
| abbr., file.ext. | Windows Open Services/Systems Architecture | WOSA (Microsoft) |
