| 80993201 | PARTSCOMP | Proprietary Computer Systems, Inc. | 0993201 |
| 80993200 | BUILDCOMP | Proprietary Computer Systems, Inc. | 0993200 |
| 80992729 | ORDERCOMP | Proprietary Computer Systems, Inc. | 0992729 |
| 73512217 | CISTEXT | PROPRIETARY COMPUTER SYSTEMS, INC. | — |
| 73511099 | LOANCOMP | PROPRIETARY COMPUTER SYSTEMS, INC. | — |
| 73511098 | PCS/TAFS | PROPRIETARY COMPUTER SYSTEMS, INC. | — |
| 73503170 | ASTEK | PROPRIETARY COMPUTER SYSTEMS, INC. | — |
| 73502751 | ASTEK | PROPRIETARY COMPUTER SYSTEMS, INC. | — |
| 73502741 | LASERSITION | PROPRIETARY COMPUTER SYSTEMS, INC. | — |
| 73482024 | PCS | Proprietary Computer Systems, Inc. | 1334644 |
| 73333199 | PCS/REPORT | Proprietary Computer Systems, Inc. | 1251324 |
| 73330761 | PCS/TIMESERIES | Proprietary Computer Systems, Inc. | 1251323 |
| 73330503 | PCS/CTAMS | Proprietary Computer Systems, Inc. | 1214285 |
| 73330502 | PCS/CASHFAST | Proprietary Computer Systems, Inc. | 1214284 |
| 73330501 | PCS/PERSONNEL | Proprietary Computer Systems, Inc. | 1226873 |
| 73315672 | PSC/TEXT | PROPRIETARY COMPUTER SYSTEMS, INC. | — |
| 73314849 | PSC/SPEC | PROPRIETARY COMPUTER SYSTEMS, INC. | — |
| 73314848 | PCS/INFO | Proprietary Computer Systems, Inc. | 1197513 |
| 73221921 | STIMS | Proprietary Computer Systems, Inc. | 1158568 |
| 73209391 | PCS/PHOTOCOMP | PROPRIETARY COMPUTER SYSTEMS, INC. | 1138045 |
| 73202559 | PCS/FORECAST | PROPRIETARY COMPUTER SYSTEMS, INC. | 1138044 |
| 73193831 | NOTECOMP | PROPRIETARY COMPUTER SYSTEMS, INC. | 1136402 |
| 73185371 | PCS/COMPUTERNET | PROPRIETARY COMPUTER SYSTEMS, INC. | 1133384 |
| 73153141 | PCS/ARISTOTAL | PROPRIETARY COMPUTER SYSTEMS, INC. | 1101808 |
| 73061843 | LOANCOMP | PROPRIETARY COMPUTER SYSTEMS, INC. | 1066955 |