| Business | Phone |
| Hills Computing 69 Pine St, Brockville K6V 1G6 | (613) 342-8041 |
| Logic Management Business 832 Macodrum Dr, Brockville K6V 6H5 | (613) 342-8200 |
| Rcs Information Systems 194 Reynolds Dr, Brockville K6V 1X7 | (613) 345-7928 |
| Nasz Tech Systems 1 Court Terr, Brockville K6V 4T4 | (613) 342-1755 |
| Trantor Standard Systems 13 Church St, Brockville K6V 3X5 | (613) 345-5030 |
| Gemeaux Corp 166 King St W, Brockville K6V 3R5 | (613) 345-2341 |