| Business | Phone |
| C Systems Inc 3400 Midland Rd, Saginaw 48603 | (989) 791-9961 |
| Creative Computing Inc 1514 Court St, Saginaw 48602 | (989) 791-3400 |
| X O Communications Inc 4800 Concentric Blvd, Saginaw 48604 | (989) 758-6500 |
| Microtech Inc 4201 S Graham Rd, Saginaw 48609 | (989) 865-8388 |
| Netsource One 5410 Hampton Pl, Saginaw 48604 | (989) 498-4534 |
| Network Services Group 1232 N Michigan Ave, Saginaw 48602 | (989) 776-2080 |