Industries List
| Name | Province | City |
|---|---|---|
| MSB Plastics Manufacturing (Plant 2) - ABC Technologies Inc. | Ontario | Etobicoke |
| MSC Toronto - Continuous Colour Coat Limited | Ontario | Etobicoke |
| MSM - Magna Powertrain Inc. | Ontario | Woodbridge |
| MSM Ltd. - Magna Powertrain Inc. | Ontario | Woodbridge |
| MSN Oil MWB 15-24-084-15W5 - Baytex Energy Ltd | Alberta | Cadotte Lake |
| Muirkirk - Agris Co-Operative Ltd. | Ontario | Muirkirk |
| Mulligan Fourth Creek 15-13-082-09-W6 - Tourmaline Oil Corp | Alberta | Calgary |
| Munro Agromart Ltd. - Munro Agromart Ltd. | Ontario | Lancaster |
| MURPHY 08-03 WASKAHIGAN - Murphy Oil Company Ltd | Alberta | Simonette |
| MURPHY 15-16 WASKAHIGAN - Murphy Oil Company Ltd | Alberta | Simonette |
