| Business | Phone |
| Aecon Utilities 3026 London, Sarnia | (519) 542-0426 |
| Giampietri Brothers Constr Ltd 1869 Clarence St, Sarnia N7X 1C7 | (519) 542-4667 |
| Gms General Maintenance Svc 1129 Vanier Rd, Sarnia N7S 3Y6 | (519) 336-9464 |
| Henderson Builders Ltd 1311 Lougar Ave, Sarnia N7S 5N5 | (519) 332-4532 |
| Hierons Construction 145 Scott Rd, Sarnia N7T 7H5 | (519) 332-2700 |
| Industrial Technology Svc 1300 Plank Rd, Sarnia N7T 7H3 | (519) 336-7169 |
| K V Renovations 1479 Blackwell Rd, Sarnia N7S 5M5 | (519) 542-6844 |
| Maaten Construction Ltd 269 Saint Andrew St, Sarnia N7T 2L3 | (519) 332-8692 |
| Maher Homes 708 Stonecrest Ave, Sarnia | (519) 344-8884 |
| Mar-D Contractors 821 Campbell St, Sarnia N7T 7T3 | (519) 344-2556 |
| Mc Kinnon Construction 864 Philip St, Sarnia N7T 1Z6 | (519) 344-0868 |
| Mc Kinnon Access Systems 188 Christina St N, Sarnia N7T 5T9 | (519) 344-6647 |
| Tosh Development Ltd 706 Grant St, Sarnia N7V 2Z3 | (519) 332-4220 |
| Poirier Services 2093 Lakeshore Rd, Sarnia N7T 7H4 | (519) 542-1128 |
| Sarnia Highpark Developments 1094 London Rd, Sarnia N7S 1P1 | (519) 339-8868 |
| Raylar Construction Ltd 89 D'Andrea Trail, Sarnia N7S 6H4 | (519) 541-2468 |
| Bill Hoekstra General Contr 1121 Evett St, Sarnia N7S 5N3 | (519) 344-4855 |
| Sam & Joe Construction 324 Laurentian Cres, Sarnia N7S 4W5 | (519) 337-6729 |
| Sarnia High Park Construction 1094 London Rd, Sarnia N7S 1P1 | (519) 336-2525 |
| Sawa Construction Ltd 1749 Murphy Rd, Sarnia N7S 2Z7 | (519) 542-9894 |
| Triad Contracting 1185 Michener Rd, Sarnia N7S 4W3 | (519) 383-0020 |
| Universal Construction 1391 Colborne Rd, Sarnia N7V 3L8 | (519) 344-0697 |
| Ganter Construction Ltd 1664 Lakeshore Rd, Sarnia N7X 1B8 | (519) 542-4476 |
| Veenbaas & Groendyk Constr Ltd 5681 Telfer Side Rd, Sarnia | (519) 542-1030 |
| Vintage Renovations 173 Bright St, Sarnia N7T 4E8 | (519) 336-2564 |
| Vozza Contracting 23 D'Andrea Trail, Sarnia N7S 6H2 | (519) 337-0108 |
| Waymic Construction Ltd 1049 Sheffield St, Sarnia N7S 4R7 | (519) 542-2202 |
| William Kapteyn Constr Ltd 5685 Waterworks Rd, Sarnia N7T 7H2 | (519) 542-6561 |
| Winmar 90 Ube Dr, Sarnia N7W 1B6 | (519) 541-0000 |
| Brandon Contractors 635 Scott, Sarnia N7T 8G3 | (519) 383-8895 |
| Bridon Builders Ltd 670 Lakeshore Rd, Sarnia N7V 2T2 | (519) 336-5325 |
| C & C Construction Group 126 Green St, Sarnia N7T 7K2 | (519) 337-9640 |
| C R Contractors 1392 Exmouth St, Sarnia N7S 3X9 | (519) 542-3001 |
| Chonwell Construction Co Ltd 945 Cobblestone Cres, Sarnia N7S 5L1 | (519) 337-7360 |
| Cope Construction 120 Scott Rd, Sarnia N7T 7H5 | (519) 344-5221 |
| Curran Contractors Ltd 283 Confederation St, Sarnia N7T 7K2 | (519) 332-3610 |
| D M Ind Svc Ltd 185 Exmouth St, Sarnia N7T 5M4 | (519) 344-4449 |
| Danbury Homes Po Box 2955 Stn Main, Sarnia N7T 7W2 | (519) 862-5588 |
| De Jong Construction 1421 Murphy Rd, Sarnia N7S 2Y8 | (519) 542-2111 |
| Di Cocco Contractors Ltd 550 Mcgregor Side Rd, Sarnia N7T 7H5 | (519) 344-8446 |
| Dixin Construction Ltd 1445 Churchill Rd, Sarnia N7T 7J9 | (519) 344-1161 |
| Durco Construction Ltd 1631 Lakeshore Rd, Sarnia N7T 7H6 | (519) 541-1653 |
| Dyna-Build/Sa Thomas 1173 Michener Rd #2, Sarnia N7S 5G5 | (519) 337-7294 |
| Fazio Construction Ltd 2004 Blackwell Rd, Sarnia N7T 7H4 | (519) 542-4361 |