| Business | Phone |
| Astrum Digital Information 102 S Wheeling Ave, Tulsa 74104 | (918) 592-1138 |
| Bits Information Techology 9324 S 85th East Ave, Tulsa 74133 | (918) 252-1435 |
| Hud Voice Information System 15 W 6th St, Tulsa 74119 | (918) 587-1239 |
| Information Research Svc 608 E 46th St N, Tulsa 74126 | (918) 430-1455 |
| Nutrition Information Svc 14211 E 38th St, Tulsa 74134 | (918) 234-7569 |
| T D Information Svc Tulsa 74105 | (918) 742-3222 |
| Quawpaw Information Systems 406 S Boulder Ave # 250, Tulsa 74103 | (918) 599-0919 |
| Rjs Information Sciences 320 S Boston Ave # 1026, Tulsa 74103 | (918) 585-5520 |