We measure the biggest companies by combining all social followers from the 5 social media accounts we track plus the number of linkedin employee count
| EllisDon Construction Services Inc | 125,328 |
| Graham Construction | 94,037 |
| Bird Construction Company Limited | 79,971 |
| Pomerleau Inc | 71,992 |
| Bouygues Building Canada Inc | 62,055 |
| BLACK & McDONALD LIMITED | 44,514 |
| Stuart Olson Construction Ltd | 37,756 |
| Menkes Developments Ltd. | 37,052 |
| Ingenium Group Inc. | 34,945 |
| Canam-Buildings | 32,523 |
| Clark Builders | 30,784 |
| Construction Broccolini Inc | 27,313 |
| BUILD IT By Design | 24,422 |
| R.W. Tomlinson Ltd. | 21,932 |
| The Daniels Corporation | 21,232 |