| OECONOMIA - DÉVELOPPEMENT ÉCONOMIQUE - MÉDIATION | L'Ancienne-Lorette | | |
 | MIRA GEOSCIENCE | WESTMOUNT | Géo-Services | |
| MIYUUKAA CORPORATION | Waswanipi | | |
 | MMD MINERAL SIZING | EDMONTON | Laboratoires | |
| MOLD GUARD INC. | | | |
 | MULTI-RESSOURCES BORÉAL | CHICOUTIMI | Exploration | |
| MURDOCH ARCHAMBAULT | Montréal | | |
| MUSTANG HELICOPTERS | MALIOTENAM | | |
| NANOOK GEO-EXPLORATION INC. | CALGARY | | |
| NAYUMIVIK LANDHOLDING CORPORATION OF KUUJJUAQ | KUUJJAUQ | | |
| NEOSYNERGIX INC. | MONTRÉAL | Génie-Conseil et contruction | |
| NEOTERREX CORPORATION | OTTAWA | | |
| NEW GOLD | TORONTO | | |
| NEWFOUNDLAND AND LABRADOR DEPARTMENT OF NATURAL RESOURCES | ST. JOHNS | Autres | |
| NEWMONT | GREENWOOD VILLAGE | | |
| NEXANS CANADA | MARKHAM | | |
 | NIOBAY METALS | LONGUEUIL | Exploration | |
| NIOBEC INC | Saint-Honoré | | |
| NIOCAN INC. | VERDUN | | |
| NOMAD ROYALTY | MONTRÉAL | Juridique et Financier | |
| NOMADIS | Montréal | | |
 | NORDA STELO | QUÉBEC | Géo-Services | |
| NORTH BAY MACHINING | NORTH BAY | | |
| NORTHERN GRAPHITE | Saint-Aimé-du-Lac-des-Îles | | |
| NORTHERN PEAK CAPITAL INC. | MONTREAL | | |
 | NOUVEAU MONDE GRAPHITE | SAINT-MICHEL-DES-SAINTS | Exploration | |
| NQ INVESTISSEMENT MINIER | Matagami | | |
| OBERON CAPITAL CORPORATION | TORONTO | | |
| OCTANT | Longueuil | | |
| PRODUITS FORESTIERS MINIERS ABITIBI INC. | Val-d'Or | | |
