| Construction Mathieu Marois inc. | 5714-8652-01 | Estrie | Active |
| Construction Mathieu Morissette inc. | 5809-9045-01 | Montérégie | Active |
| Construction Mathieu Roussin inc. | 5765-1309-01 | Chaudière-Appalaches | Active |
| Construction Mathieu St-Denis inc. | 5802-0470-01 | Montréal | Active |
| Construction Mathieu St-Jean inc | 5862-1764-01 | Montérégie | Active |
| Construction Mathieu St-Onge inc. | 5725-4245-01 | Montérégie | Active |
| Construction Mathieu Thibert inc. | 5716-7462-01 | Montérégie | Active |
| Construction Matière inc. | 5862-2812-01 | Estrie | Active |
| Construction Matimekush S.E.C. | 5849-5904-01 | Capitale-Nationale | Active |
| Construction Matra inc. | 5635-5597-01 | Montréal | Active |
| Construction Matrak inc. | 5724-1366-01 | Laurentides | Active |
| Construction Matson inc. | 5864-3206-01 | Montérégie | Active |
| Construction Matt. Samson inc. | 5827-9449-01 | Chaudière-Appalaches | Active |
| Construction Matteau inc. | 5758-7313-01 | Laurentides | Active |
| Construction Matthewe Lamouche Inc. | 5758-2447-01 | Outaouais | Active |
| Construction Maurice Bilodeau Inc. | 8309-8855-46 | Chaudière-Appalaches | Active |
| Construction Maurice Bourgeois & Fils inc. | 8343-7608-04 | Laval | Active |
| Construction Maurice Mathieu inc. | 5685-0209-01 | Montérégie | Active |
| Construction Maurice Samson inc. | 2536-3623-51 | Mauricie | Active |
| Construction Mavpro inc. | 5790-2629-01 | Montérégie | Active |
| Construction Mavrick Goupil inc. | 5796-8521-01 | Chaudière-Appalaches | Active |
| Construction Mavrik inc. | 5771-5013-01 | Montréal | Active |
| Construction Max Lévesque inc. | 5649-1178-01 | Lanaudière | Active |
| Construction MAX Remy (CMR) inc. | 5747-3662-01 | Montérégie | Active |
| Construction Max Thomas inc. | 5684-5688-01 | Estrie | Active |
| Construction Max-Ced Inc. | 8002-6198-32 | Estrie | Active |
| Construction Maxel Inc. | 5858-2602-01 | Montréal | Active |
| Construction Maxim Roy inc. | 5735-8830-01 | Chaudière-Appalaches | Active |
| Construction Maxime Aubry inc. | 5718-4574-01 | Lanaudière | Active |
| Construction Maxime Audet inc. | 5845-6146-01 | Capitale-Nationale | Active |
| Construction Maxime Beaudoin Inc. | 5670-9561-01 | Estrie | Active |
| Construction Maxime Benoit inc. | 5818-3807-01 | Lanaudière | Active |
| Construction Maxime Bergeron inc. | 5613-4588-01 | Lanaudière | Active |
| Construction Maxime Davidson inc. | 5878-9280-01 | Montérégie | Active |
| Construction Maxime Denis inc. | 5793-0497-01 | Montérégie | Active |
| Construction Maxime Dionne inc. | 5796-4132-01 | Saguenay--Lac-Saint-Jean | Active |
| Construction Maxime Dubuc Inc. | 5861-8075-01 | Centre-du-Québec | Active |
| Construction Maxime Dupéré inc. | 5832-0326-01 | Laurentides | Active |
| Construction Maxime Ferland inc. | 5757-3354-01 | Montérégie | Active |
| Construction Maxime Gagnon inc. | 5684-7783-01 | Chaudière-Appalaches | Active |
| Construction Maxime Garceau inc. | 5871-7638-01 | Montérégie | Active |
| Construction Maxime Goyette inc. | 5862-0139-01 | Lanaudière | Active |
| Construction Maxime Hubert inc. | 5682-4121-01 | Lanaudière | Active |
| Construction Maxime JB inc. | 5817-4095-01 | Montérégie | Active |
| Construction Maxime Laberge inc. | 5870-2721-01 | Capitale-Nationale | Active |
| Construction Maxime Morin Inc. | 8358-6743-40 | Laurentides | Active |
| Construction Maxime Paquette inc. | 5862-4412-01 | Laurentides | Active |
| Construction Maxime Quesnel inc. | 5690-5771-01 | Laurentides | Active |
| Construction Maxime Salvas inc. | 5678-3186-01 | Montérégie | Active |
| Construction Maxime Sénéchal inc. | 5816-2884-01 | Bas-Saint-Laurent | Active |