| Action Software | Source for Change Action |
| Adobe | Source for Adobe Acrobat |
| Allen Systems Group | |
| BETA.COM | |
| BGS Software | |
| BMC Software | Service Level, Data and Security Management |
| Cardinal Software | |
| Cache Valley Software | Home of TAPEMNGL, the TapeXpert since 1987 |
| Candle | eBusiness at the Speed of light |
| Cincom Business Software | |
| CNet | |
| Computer Associates | |
| Compuware | Owners of former Programart Corporation (Strobe) |
| DBA Software | |
| Download.com | |
| Hybrid Systems Ltd | |
| IBI | Information Builders |
| IBM | Big Blue --- Home of OS/390 and zOS |
| InnerAccess | Formerly Aquisoft |
| Landmark Systems | Monitoring Tools (Omegamon, Omegamon CICS, etc) |
| Levi, Ray and Shoup | |
| Macro 4 Systems | |
| MicroSoft | |
| MERANT | Formerly InterSolve |
| SAS Institute | |
| Systemware | |
| TACT | The A Consulting Team, Inc |