| Business | Phone |
| Greer Galloway Group Inc 973 Crawford Dr, Peterborough K9J 3X1 | (705) 743-5780 |
| Jlb Civil Engineering Ltd 1136 Whitefield Dr, Peterborough K9J 7P5 | (705) 876-6267 |
| Kirkland Engineering Ltd 294 Rink St, Peterborough K9J 2K2 | (705) 745-2831 |
| Loadtest Inc 785 The Kingsway, Peterborough K9J 6W7 | (705) 749-0076 |
| Numet Engineering Ltd 678 Neal Dr, Peterborough K9J 6X7 | (705) 743-2708 |
| Terraspec Engineering Inc 973 Crawford Dr, Peterborough K9J 3X1 | (705) 743-7880 |
| Chaggares & Assoc 194 Mcdonnel St, Peterborough K9H 2V9 | (705) 748-4131 |