| Business | Phone |
| Active Excavating & Contr Ltd 150 Creditstone Rd, Concord L4K 1P2 | (905) 660-9966 |
| Adeo Contracting Ltd 70 Villarboit Cres, Concord L4K 4C7 | (905) 660-3982 |
| Anpro Excavating & Grading Ltd 132 Corstate Ave, Concord L4K 4X2 | (905) 760-9799 |
| Magine Contractor Inc 196 Bradwick Dr, Concord L4K 1K8 | (905) 660-7598 |
| Malfara Holdings Inc 101 Freshway Dr, Concord L4K 1R9 | (905) 738-4432 |
| Oregon Construction Ltd 3300 Highway 7 #707, Concord L4K 4M3 | (905) 761-7247 |
| Ragno Excavating Ltd 273b Bowes Rd #7, Concord L4K 1H8 | (416) 223-5555 |
| Ragno Excavating Ltd 273 Bowes Rd, Concord L4K 1H8 | (905) 738-8995 |
| York Excavating & Grading Co 8635 Keele St, Concord L4K 2N1 | (416) 225-7474 |
| Zetra Enterprises Inc 160 Cidermill Ave #10, Concord L4K 4K5 | (905) 738-4000 |
| Daniel Contracting Ltd 201 Millway Ave #5, Concord L4K 5K8 | (905) 760-7878 |
| Dynex Excavating Contractors 80 Costa Rd, Concord L4K 1N2 | (905) 669-5923 |
| Four Valleys Excavating Ltd 137 Bowes Rd, Concord L4K 1H3 | (905) 669-1588 |