| Business | Phone |
| 5 Ofus Com 121 Bennett Ave, Ajax L1T 3R8 | (905) 427-8700 |
| Ait Corp 10 Hewison Crt, Ajax L1T 3X7 | (905) 427-8656 |
| Anforbiz 33 Daniels Cres, Ajax L1T 1X5 | (905) 427-5563 |
| Ats Hagge & Assoc Inc 10 Dennis Dr, Ajax L1T 4A9 | (905) 427-1914 |
| Harrison Human Resource Sol In 53 Anstead Cres, Ajax L1S 3X4 | (905) 427-0171 |
| Jenkins & Roy Consultants 191 Angus Dr, Ajax L1S 5E2 | (905) 683-4575 |
| Cianbro Corporation 335 Bayly St W, Ajax L1S 6M2 | (905) 683-7005 |
| Ltl Technologies 103 Old Kingston Rd #B202, Ajax L1T 3A6 | (905) 426-1634 |
| Luke Systems Consultants 2881 Audley Rd, Ajax L1S 4S7 | (905) 426-4511 |
| M S Upfield Computer Mgmt Inc 4 Iles St, Ajax L1T 3V7 | (905) 427-6100 |
| Moisey Systems Ltd 700 Finley Ave #2, Ajax L1S 3Z2 | (905) 427-6321 |
| Newtech Systems 1 Blackburn Cres, Ajax L1S 5Z2 | (905) 683-9889 |
| O'Dea Business System Ltd 5 Palmer Dr, Ajax L1S 5W9 | (416) 409-8649 |
| Pegasus Business Enterprises 76 Pollard Cres, Ajax L1T 3N7 | (905) 619-2148 |
| R & C Computer Svc 26 Rotherglen Rd N, Ajax L1T 1S9 | (905) 426-1817 |
| Benedet Computer Consultants 23 Buggey Lane, Ajax L1S 4S7 | (905) 428-2456 |
| S-7 Technologies Inc 152 Harwood Ave S, Ajax L1S 2H6 | (905) 426-4600 |
| Strawberry Computing Corp 71 Old Kingston Rd, Ajax L1T 3A6 | (416) 948-6327 |
| Sys-Tech Inc 232 Ravenscroft Rd, Ajax L1T 2T3 | (905) 428-1549 |
| Edge Data Corp 34 Harland Cres, Ajax L1S 1J9 | (905) 427-5332 |
| Claim Exec Consultants Ltd 467 Westney Rd S #11, Ajax L1S 6V8 | (905) 428-0377 |
| Entigy 339 Westney Rd S, Ajax L1S 7J6 | (416) 296-7143 |