| Business | Phone |
| Automated Systems Consulting 209 E Green Meadows Rd # G, Columbia 65203 | (573) 815-0200 |
| E 3 Group 910 N College Ave, Columbia 65201 | (573) 449-2988 |
| P Sherrick 4655 Yeager Rd, Columbia 65202 | (573) 445-5552 |
| J S Computek 1005 Cherry St # 107, Columbia 65201 | (573) 256-7707 |
| Lanit Consulting Co 5900 N Tower Dr, Columbia 65202 | (573) 817-1431 |