| English | Thesaurus |
| American Insurance Services Group Inc | AISG |
| Appraisal & Liquidation Services, Inc. | ALSI |
| Appraisal & Liquidation Services, Inc. | ALS |
| Atlantic Information Services, Inc. | AIS |
| Computer Consulting Services, Inc. | CCSI |
| Davis Software Services, Inc. | DSSI |
| Duke Engineering & Services, Inc. | DES |
| Exel Transportation Services, Inc. | ETSI |
| Geodetic Services Inc | GSI |
| Insurance Services Office, Inc. | ISO |
| Kaw Valley Internet Services, Inc. | KVIS |
| Mayer Hoffman McCann Business Services, Inc. | MHM |
| Mining Consulting Services, Inc. | MCSI |
| Molli Computer Services, Inc. | MCSI |
| National Technology Services, Inc. | NTS |
| National Technology Services, Inc. | NTSI |
| Portland Yacht Services, Inc. | PYSI |
| Portland Yacht Services, Inc. | PYS |
| Quality Aviation Services, Inc. | QAS |
| Quality Education Services, Inc. | QES |
| Quantum Internet Services, Inc. | QIS |
| Quasar Services, Inc. | QSI |
| Quiescence Diving Services , Inc. | QDSI |
| Real Estate Financial Options. Inc. | RFO |
| Resource Services, Inc. | RSI |
| Rochester Landscape Technicians Program, Inc. | RLTP |
| Roof Consulting Services, Inc. | RCS |
| Software Services, Inc. | SSI |
| Universal Hospital Services, Inc. | UHS |
| VED Software Services, Inc. | VSSI |
| W. & A. Distribution Services, INC. | WADS |
| W M Financial Services, Inc. | WMFS |
| Wang Government Services Inc | WGSI |
| Washington Gas Energy Services, Inc. | WGES |
| Waste Management Federal Services, Inc., Northwest Operations | WMNW |
| Wealth and Tax Advisory Services, Inc. | WTAS |
| Web Marketing Services, Inc. | WMSI |
| Western Data Services, Inc. | WDSI |
| Western Nevada Insurance Services, Inc. | WNIS |
| Western States Property Services, Inc. | WSPS |
| Wheaton Franciscan Services Inc | WFSI |
| Workers' Disease Detection Services, Inc. | WDDS |
| World Net Services, Inc. | WNSI |
| World Technology Services, Inc. | WTS |
| WorldWide Network Services, Inc. | WWNS |
| Youth & Shelter Services, Inc. | YSS |
