| Business | Phone |
| Advance Business Machines 458 Exmouth St, Sarnia N7T 5P3 | (519) 337-3371 |
| Honeywell Limited 201 Front St N #201, Sarnia N7T 7T9 | (519) 383-3700 |
| Sarnia Computer Ctr 105 Ontario St, Sarnia N7T 1K9 | (519) 383-6504 |
| Whitcom Services 589 Cardiff Dr, Sarnia N7S 4B9 | (519) 337-0136 |
| Business Depot Ltd 1379 London Rd, Sarnia N7S 1P6 | (519) 542-4461 |
| Computer Guy 341 Kathleen Ave #5, Sarnia N7T 1E5 | (519) 344-1479 |
| Computer Store 140 Russell St S, Sarnia N7T 3L1 | (519) 383-6697 |
| Computer Terminal 1030 Confederation St #8, Sarnia N7S 6H1 | (519) 344-1933 |
| Daley Computer Systems Ltd 1578 London Line, Sarnia N7W 1A8 | (519) 542-8706 |
| Datatek Systems 714 London Rd #2, Sarnia N7T 4X6 | (519) 332-1441 |
| Direct Saver 169 Christina St S, Sarnia N7T 2M9 | (519) 344-5722 |
| Doering & Brown Corp 1200 London Rd, Sarnia N7S 1P4 | (519) 337-5050 |