| Business | Phone |
| Almor Testing Svc Ltd 7505 40 St Se, Calgary T2C 2H5 | (403) 236-8880 |
| Amec Earth & Environmental Ltd 221 18 St Se, Calgary T2E 6J5 | (403) 248-4331 |
| Optima Engineers & Cnstrctrs 840 7 Ave Sw #1420, Calgary T2P 3G2 | (403) 269-9555 |
| Urban Systems Ltd 2886 Sunridge Way Ne #100, Calgary T1Y 7H9 | (403) 291-1193 |