Industries List
| Name | Province | City |
|---|---|---|
| MASTERLOY PRODUCTS Company - Masterloy Products Co. | Ontario | Ottawa |
| Matalco Inc. - Matalco Inc. | Ontario | Brampton |
| Matcor - Bramalea - Matcor Metal Fabrication Inc. | Ontario | Brampton |
| Matcor - East - Matcor Metal Fabrication Inc. | Ontario | Brampton |
| Matcor - Mississauga - Matcor Metal Fabrication Inc. | Ontario | Mississauga |
| Matériaux Nano One Candiac Inc - Matériaux Nano One Candiac Inc | Quebec | Candiac |
| Mattagami Water Pollution Control Plan - Corp. of the City of Timmins | Ontario | Timmins |
| Matziwin 01-30-023-13 W4 - Journey Energy Inc. | Alberta | Calgary |
| Matziwin Compressor Station 01-32-024-14W4 - Canadian Natural Resources Limited | Alberta | Bullpound |
| Matziwin Sweet Gas Plant 06-10-023-14W4 - Canadian Natural Resources Limited | Alberta | Verger |
