| Business | Phone |
| Ahr Construction Ltd 10 Barr Rd, Ajax L1S 3X9 | (905) 427-3944 |
| Al's Contracting 415 Mackenzie Ave, Ajax L1S 2G2 | (905) 426-9816 |
| Asg Investments 487 Maple Rd, Ajax L1S 1E4 | (905) 427-4632 |
| B B Construction 759 Rossland Rd, Ajax | (905) 686-2574 |
| Monarch Contracting Experts 682 Monarch Ave, Ajax L1S 4S2 | (905) 426-6029 |
| Noblett Carpentry Ltd 33 Windebanks Dr, Ajax L1S 4C5 | (905) 426-5887 |
| Nu-Wood Construction 467 Westney Rd S #19, Ajax L1S 6V8 | (905) 683-5131 |
| Pioneer Contracting 4 Locker Dr, Ajax L1T 3K9 | (905) 427-6261 |
| Quantum Design & Construction 34 Ritchie Ave, Ajax L1S 6R8 | (905) 619-3500 |
| Smid Construction 516 Finley Ave, Ajax L1S 2E3 | (905) 686-2721 |
| Sofam Construction Inc 31 Barr Rd, Ajax L1S 3Y1 | (905) 428-3098 |
| Tyers General Contracting 33 Swanston Cres, Ajax L1S 3J5 | (905) 686-3340 |
| Village Creek Developments 513 Westney Rd S, Ajax L1S 6W8 | (905) 427-5545 |
| Brian Barton Building Corp 206 Gilbert W, Ajax | (905) 686-4212 |
| Duffin Contractors 1 Pinoak Rd, Ajax L1T 2X7 | (905) 427-2355 |
| Future Built Construction 170 Fuller Rd #6, Ajax L1S 7G8 | (905) 428-6959 |
| G B Design 44 Leach Dr, Ajax L1S 7A7 | (905) 619-3683 |