Industries List
| Name | Province | City |
|---|---|---|
| MARKHAM PAVERS PLANT - Brampton Brick Limited | Ontario | Markham |
| Mars Canada Inc. - Mars Canada Inc. | Ontario | Bolton |
| MARS CANADA INC., NEWMARKET - Mars Canada Inc. | Ontario | Newmarket |
| Mars Metal Company - Marswell Metal Industries Ltd. | Ontario | Burlington |
| Marshall - Richardson Pioneer Ltd. | Saskatchewan | Marshall East |
| Marten Falls Diesel Generating Station - Hydro One Remote Communities Inc. | Ontario | Ogoki Post |
| Marten Hills 01-01-75-25 W4 - Spur Petroleum Ltd. | Alberta | Slave Lake |
| Marten Hills 01-20-74-24W4 - Spur Petroleum Ltd. | Alberta | Slave Lake |
| Marten Hills 01-24-74-26W4 - Spur Petroleum Ltd. | Alberta | Slave Lake |
| Marten Hills 01-29-074 - Spur Petroleum Ltd. | Alberta | Slave Lake |
