| Subject | English | Thesaurus |
| abbr., file.ext. | Bulletin Board System announcement or text information | BBS |
| mil., abbr. | Combat Information Transport System | CITS |
| softw., abbr. | Facility Management Information System | FMIS |
| abbr. | Financial Automated System of Information Transport | FASIT (Johnny Bravo) |
| abbr., health. | Infectious Disease Surveillance Information System on Antibiotic Reistance | ISIS-AR (Millie) |
| IT, abbr. | Information Resource Dictionary System | IRDS (ANSI, ISO, IM) |
| abbr., file.ext. | Information Resource Dictionary System | IRDS |
| abbr., tech. | Shuttle Program Information Management System | SPIMS (Vosoni) |
| mil., abbr. | Text and Image Information Management System | TIIMS |
| abbr., file.ext. | Text Information Management Systems | TIMS |
| USA | Work Force Information System | WFIS |
| comp., abbr. | Work Information System | WIS |