| Business | Phone |
| Affiliated Computer Svc 3425 W Truman Blvd, Jefferson City 65109 | (573) 761-6611 |
| Decision One 226 E Dunklin St, Jefferson City 65101 | (573) 556-6100 |
| Gtech Corp 2216 Stonehill Rd, Jefferson City 65101 | (573) 636-3809 |
| Midwest Computech Inc 2713 Industrial Dr # C, Jefferson City 65109 | (573) 659-4628 |