| Business | Phone |
| A A Boscariol & Assoc Ltd 2825 Lauzon Pky #214, Windsor N8T 3H5 | (519) 966-4006 |
| A B Brogden Ltd 12210 Valente Crt, Windsor N8N 3B8 | (519) 735-4481 |
| Aleo Associates Inc 804 Erie St E #100, Windsor N9A 3Y4 | (519) 254-7926 |
| Amec 3096 Devon Dr #30, Windsor N8X 4L2 | (519) 969-7530 |
| B & B Technology Svc 525 Oakpark Dr, Windsor N8N 4P2 | (519) 979-9775 |
| Giffels Associates Ltd 11811 Tecumseh Rd E, Windsor N8N 1L8 | (519) 739-1999 |
| Glos Engineering Ltd 3155 Huron Church Rd, Windsor N9E 4H6 | (519) 966-6750 |
| Golder Associates Ltd 2465 Mcdougall St, Windsor N8X 3N9 | (519) 250-3733 |
| Haddad Morgan & Assoc Ltd 24 Shepherd St E, Windsor N8X 2J8 | (519) 973-1177 |
| Hanna Ghobrial & Spencer Ltd 3100 Temple Dr, Windsor N8W 5J6 | (519) 944-3090 |
| Jagger Hims Ltd 2885 Lauzon Pky #117, Windsor N8T 3H5 | (519) 974-5887 |
| Kas Engineering 515 Regent Rd, Windsor N8N 4B8 | (519) 739-2523 |
| L & L Assoc 430 Pelissier St, Windsor N9A 4K9 | (519) 258-8330 |
| L P Meyer & Assoc Ltd 7931 Riverside Dr E, Windsor N8S 1E3 | (519) 251-8866 |
| Lindham Industries Ltd 640 Michigan Ave, Windsor N9J 2E6 | (519) 978-9921 |
| Lindham Industries Ltd 6130 Morton Industrial Pky, Windsor N9J 3W3 | (519) 734-0154 |
| Maykok Technologies Inc 2841 Walker Rd, Windsor N8W 3R2 | (519) 969-5700 |
| Moncur Engineering Ltd 494 Green Valley Dr, Windsor N8N 4C3 | (519) 735-0972 |
| Montrose Engineering Svc Ltd 2109 Ottawa St #300, Windsor N8Y 1R8 | (519) 254-3382 |
| Ntg Engineering 4789 Chelsea Dr, Windsor N9H 1E4 | (519) 972-0575 |
| Pbs Engineering Inc 3200 Electricity Dr, Windsor N8W 5J1 | (519) 945-1000 |
| R Meo & Assoc Inc 2465 Mcdougall St #500, Windsor N8X 3N9 | (519) 250-8088 |
| Becker Transportation Safety 1725 North Talbot Rd, Windsor N9A 6J3 | (519) 737-7233 |
| Stantec Consulting Group Ltd 3260 Devon Dr, Windsor N8X 4L4 | (519) 966-2250 |
| Trow Consulting Engineers Ltd 2996 Deziel Dr, Windsor N8W 5H8 | (519) 988-0145 |
| Visco Engineering Inc 6725 South Service Rd E, Windsor N8N 2M1 | (519) 948-0015 |
| Wilson Dario & Assoc 3200 Deziel Dr #110, Windsor N8W 5K8 | (519) 948-2600 |
| Conestoga-Rovers & Assoc Ltd 1880 Assumption St #200, Windsor N8Y 1C4 | (519) 966-9886 |
| D C Mc Closkey Engineering 1880 Assumption St, Windsor N8Y 1C4 | (519) 977-6800 |
| Dillon Consulting Ltd 3200 Deziel Dr #110, Windsor N8W 5K8 | (519) 948-5000 |
| Durobyte 555 Talbot Rd W, Windsor | (519) 250-7335 |
| Earth Tech Canada Inc 4510 Rhodes Dr #520, Windsor N8W 5K5 | (519) 944-0766 |
| G W Mc Dowell Engineering Ltd 2624 Mcdougall St, Windsor N8X 3P2 | (519) 250-7766 |