| Business | Phone |
| Valcom Business Ctr 2745 W Clay St # C, St Charles 63301 | (636) 946-6681 |
| Vuestar Inc 4025 S Old Highway 94, St Charles 63304 | (636) 922-5757 |
| Wan Computers 1606 Country Club Plaza Dr, St Charles 63303 | (636) 947-9699 |
| Ramsey Associates Inc 2110 Collier Corporate Pkwy, St Charles 63303 | (636) 947-7145 |
| Pearl Computer Svc 912 1st Capitol Dr, St Charles 63301 | (636) 949-8850 |
| Friendly Computers 20 Hill Ridge Ct, St Charles 63303 | (636) 274-9100 |
| Executive Personal Computers 3940 W Clay St, St Charles 63301 | (636) 724-4535 |
| Executive Personal Computers 3941 Harry S Truman Blvd, St Charles 63301 | (636) 443-1999 |
| Discount Computer Price Club 263 N Shore, St Charles 63301 | (636) 250-3459 |
| Datalink Corp 2376 Highway 94 South Outer Rd, St Charles 63303 | (636) 441-2040 |