| M.J. HOMECURE LTD. | — | 666015 | — | Dissolved | |
| M.J. Heat Pump Cleaning | — | 740042 | — | Active | |
| M.J. INSULATORS | — | 306045 | — | Dissolved | |
| M.J. JANITORIAL SERVICES | — | 335481 | — | Dissolved | |
| M.J. Lebel Home Inspection Services Inc. | — | 677102 | — | Dissolved | |
| M.J. MCALLISTER HOLDINGS & MANAGEMENT INC. | — | 47879 | — | Dissolved | |
| M.J. MICHAUD POULTRY FARM LTD. | — | 47877 | — | Active | |
| M.J. MITCHELL & ASSOCIATES LTD. | — | 11145 | — | Dissolved | |
| M.J. MURPHY LTD. | — | 504288 | — | Dissolved | |
| M.J. NOEL LTEE | — | 606213 | — | Active | |
| M.J. Roy Enterprises Ltd. | — | 513747 | — | Active | |
| M.J. TRUCKING LTD. | — | 46990 | — | Dissolved | |
| M.J.A. REMODELLING | — | 324386 | — | Dissolved | |
| M.J.B. Consulting Inc. | — | 677590 | — | Dissolved | |
| M.J.C. DEPANNEUR | — | 327579 | — | Dissolved | |
| M.J.F. Logging Inc. | — | 676093 | — | Active | |
| M.J.H. ELECTRIQUE LIMITEE - M.J.H. ELECTRIC LIMITED | — | 10194 | — | Dissolved | |
| M.J.L. CONSTRUCTION GENERALE LTEE/LTD. | — | 46897 | — | Dissolved | |
| M.J.L. ENTERPRISES LTD. | — | 49054 | — | Dissolved | |
| M.J.M. RECORDINGS | — | 327886 | — | Dissolved | |
| M.J.P. Foresterie Inc. | — | 509884 | — | Active | |
| M.J.P. TRANSPORT LTD./TRANSPORT M.J.P. LTEE. | — | 46034 | — | Dissolved | |
| M.J.R. CONSTRUCTION & DÉNEIGEMENT LTÉE | — | 511155 | — | Active | |
| M.J.T. CONSTRUCTION LTEE | — | 10195 | — | Dissolved | |
| M.J.V.T. MARKETING | — | 346043 | — | Dissolved | |
| M.K ELECTRORECYCLING | — | 715800 | — | Dissolved | |
| M.K Electrical Contracting Commercial & Residential | — | 672912 | — | Active | |
| M.K Facilitation Agency of Canada | — | 713717 | — | Dissolved | |
| M.K. FLEWWELLING HOLDINGS INC. | — | 701376 | — | Dissolved | |
| M.K. HOLDINGS LTD. | — | 9063 | — | Dissolved | |
| M.K. Jaillet Renovations Inc. | — | 695032 | — | Dissolved | |
| M.K. North American Intl. Labour Resources Inc. | — | 615560 | — | Dissolved | |
| M.K. Reid & Son Ltd | — | 513742 | — | Active | |
| M.K. Smith & Son Logging | — | 643958 | — | Dissolved | |
| M.K. TILING | — | 338680 | — | Dissolved | |
| M.K.E. Construction and Renovations Inc. | — | 753080 | — | Active | |
| M.L Property Solutions Inc. | — | 759920 | — | Active | |
| M.L. BEARDSLEY LIMITED | — | 1647 | — | Dissolved | |
| M.L. BOURQUE CONSTRUCTION INC. | — | 511481 | — | Active | |
| M.L. Body Shop | — | 651851 | — | Pending | |
| M.L. CAMPBELL | — | 340868 | — | Active | |
| M.L. DESIGN | — | 316865 | — | Dissolved | |
| M.L. ESSON HOLDINGS LTD. | — | 512002 | — | Dissolved | |
| M.L. MacKenzie & Sons Forestry Inc. | — | 687018 | — | Dissolved | |
| M.L. Mechanical | — | 666967 | — | Dissolved | |
| M.L. PLANCHER DE BOIS FRANC | — | 329572 | — | Dissolved | |
| M.L. Pinnacle Painting | — | 771803 | — | Active | |
| M.L. Pipeline Consulting Ltd. | — | 78021 | — | Dissolved | |
| M.L. RENOVATIONS | — | 331287 | — | Dissolved | |
| M.L. Rentals Ltd. | — | 502842 | — | Active | |
| M.L. Sealcoating | — | 663064 | — | Dissolved | |
| M.L. Swan Electric | — | 346938 | — | Dissolved | |
| M.L. TECHNICIEN MÉCANIQUE INC. | — | 669003 | — | Dissolved | |
| M.L. VIENNEAU WOODLOT INC. | — | 58219 | — | Dissolved | |
| M.L. WILKINS & SON | — | 308121 | — | Dissolved | |
| M.L. WILKINS & SON LTD. | — | 21168 | — | Merged | |
| M.L.A. LAWN CARE SERVICES | — | 331940 | — | Dissolved | |
| M.L.J. ANTIQUES | — | 326290 | — | Dissolved | |
| M.L.M. CONSULTANTS FIRM | — | 326983 | — | Dissolved | |
| M.L.M. ENTERPRISES LTD./ENTREPRISES M.L.M. LTEE. | — | 47339 | — | Dissolved | |
| M.L.M. LANDSCAPE | — | 325813 | — | Dissolved | |
| M.L.M. TRUCKING & LOGGING INC. | — | 50558 | — | Active | |
| M.L.M. VENTURES | — | 346186 | — | Dissolved | |
| M.L.P.M. HOLDINGS LTD. | — | 512763 | — | Dissolved | |
| M.L.R. & FILS LTEE | — | 52363 | — | Dissolved | |
| M.L.R.D. SERVICES LTD. | — | 10201 | — | Dissolved | |
| M.L.T. Investments Ltd. | — | 661759 | — | Dissolved | |
| M.LEBRETON RENOS. | — | 733614 | — | Active | |
| M.LeBlanc roofing & siding | — | 778247 | — | Active | |
| M.M. CORMIER CIE LTEE | — | 4323 | — | Dissolved | |
| M.M. FORTIN CUSTOM BUILDERS INC. | — | 59835 | — | Dissolved | |
| M.M. Tree & Excavation Services | — | 696124 | — | Dissolved | |
| M.M. Trucking | — | 711232 | — | Active | |
| M.M.A. Builder Ltd. | — | 650179 | — | Active | |
| M.M.E. Construction Ltd. | — | 651595 | — | Active | |
| M.M.H. PRESTIGE HOMES INC./MAISONS PRESTIGE M.M.H. INC. | — | 76795 | — | Active | |
| M.M.K. LUI FINANCIAL GROUP INC. | — | 506058 | — | Active | |
| M.M.P. Holdings | — | 344704 | — | Dissolved | |
| M.M.R. BOUTOT TRUCKING INC. | — | 753104 | — | Active | |
| M.M.S.S. Maillet Marine Surveying Services Inc. | — | 601700 | — | Dissolved | |
| M.M.W.P. MANAGEMENT LTD. | — | 36381 | — | Dissolved | |
| M.Martel Rénovations ENR | — | 651053 | — | Dissolved | |
| M.Moreau Construction | — | 742638 | — | Active | |
| M.N. Burley Consulting Ltd. | — | 633816 | — | Dissolved | |
| M.N. Flooring | — | 695785 | — | Dissolved | |
| M.N. MACLEOD DRUG WHOLESALE | — | 305893 | — | Dissolved | |
| M.N.C. ENTREPRISES FORESTERES INC. | — | 39206 | — | Dissolved | |
| M.N.L. TRANSPORT INC. | — | 71904 | — | Dissolved | |
| M.N.O. POTTERY | — | 343674 | — | Dissolved | |
| M.N.O. Pottery | — | 651020 | — | Dissolved | |
| M.O. INFO | — | 341376 | — | Dissolved | |
| M.O. Multi Solution Maintenance | — | 703329 | — | Dissolved | |
| M.O. Multi Solution Maintenance Inc. | — | 710376 | — | Active | |
| M.O.B. & F.D. TRANSPORT INC. | — | 673251 | — | Dissolved | |
| M.O.C.CONSULTANTS INC. | — | 670613 | — | Dissolved | |
| M.O.R.E. SERVICES INC. | — | 24376 | — | Active | |
| M.O.S. MORTGAGEONE SOLUTIONS LTD. | — | 729388 | — | Active | |
| M.P. AQUACULTURE INC. | — | 511266 | — | Dissolved | |
| M.P. DEWINTER CONSULTING | — | 342609 | — | Dissolved | |
| M.P. Integrity Services | — | 660548 | — | Dissolved | |
| M.P. PHARMACIES (MARITIMES) LTD. | — | 503541 | — | Dissolved | |
| M.P. REALTY LIMITED | — | 34588 | — | Dissolved | |
| M.P. ROY CONTRACTOR LTD./M.P. ROY CONTRACTEUR LTEE | — | 45718 | — | Dissolved | |
| M.P. Scented Candles | — | 614539 | — | Dissolved | |
| M.P. WESTERN DIVERSIFIED HOLDINGS LTD. | — | 58859 | — | Merged | |
| M.P.A.C. REAL ESTATE DEVELOPMENT INC. | — | 729851 | — | Active | |
| M.P.C. ENTERPRISES LTD. | — | 48717 | — | Dissolved | |
| M.P.C. REINFORCING INC. | — | 647147 | — | Dissolved | |
| M.P.Cyr Holdings Ltd. | — | 664659 | — | Active | |
| M.P.D. PIZZA LTD. | — | 10217 | — | Dissolved | |
| M.P.G. FOODS LTD. | — | 47039 | — | Dissolved | |
| M.P.J. SHEET METAL COMPANY LTD. | — | 30939 | — | Merged | |
| M.P.L. CONSULTING LTD. | — | 512578 | — | Pending | |
| M.P.M. BUILDING MATERIALS LTD. | — | 10220 | — | Active | |
| M.P.M. FINANCIAL RESOURCE GROUP | — | 318022 | — | Dissolved | |
| M.P.M. Holdings Inc. | — | 646684 | — | Active | |
| M.P.M. Trucking Ltd | — | 509382 | — | Active | |
| M.P.S. Consulting Inc. | — | 512953 | — | Dissolved | |
| M.P.V.B. ENTREPRISES | — | 312123 | — | Dissolved | |
| M.R. APPRAISAL SERVICES LTD./LTEE | — | 53038 | — | Dissolved | |
| M.R. Auto & Remorque Tracadie - MRA | — | 751156 | — | Active | |
| M.R. Auto Glass | — | 663445 | — | Active | |
| M.R. BARTON & SONS LTD. | — | 1461 | — | Active | |
| M.R. BOUDREAU ENTRETIEN | — | 336706 | — | Dissolved | |
| M.R. BREAD | — | 313491 | — | Dissolved | |
| M.R. BROWN INSURANCE CO. LTD. | — | 2399 | — | Dissolved | |
| M.R. CHIMNEY SWEEP | — | 310277 | — | Dissolved | |
| M.R. GILL & SON LTD. | — | 59752 | — | Dissolved | |
| M.R. GRONDIN INC. | — | 622419 | — | Active | |
| M.R. JAILLET ENTERPRISES INC. | — | 761800 | — | Active | |
| M.R. JAILLET ENTERPRISES INC. | — | 643260 | — | Merged | |
| M.R. JAILLET ENTERPRISES INC. | — | 744628 | — | Merged | |
| M.R. LANDSCAPING AND HOMECARE INC. | — | 54140 | — | Dissolved | |
| M.R. LEBLANC CONSTRUCTION INC. | — | 694940 | — | Active | |
| M.R. NAPPERONS ENRG. PLACEMENTS REG'D | — | 309842 | — | Dissolved | |
| M.R. NiPa Holdings Ltd. | — | 705319 | — | Active | |
| M.R. POIRIER P.C. INCORPORATED | — | 714187 | — | Active | |
| M.R. Poirier P.C. Incorporated | — | 674148 | — | Merged | |
| M.R. Service Center Ltd. | — | 649280 | — | Dissolved | |
| M.R. WILLIAMS & ASSOCIATES LTD. | — | 39512 | — | Dissolved | |
| M.R.A. CONSULTING SERVICES INC. | — | 508198 | — | Dissolved | |
| M.R.A. HOLDINGS, LIMITED | — | 10227 | — | Dissolved | |
| M.R.A. Roofing | — | 697311 | — | Dissolved | |
| M.R.C. AUCTIONS LTD./LES ENCANS M.R.C. LTEE. | — | 18009 | — | Dissolved | |
| M.R.C. Alignment & Filing Inc. | — | 633822 | — | Dissolved | |
| M.R.C. Deliveries | — | 626866 | — | Dissolved | |
| M.R.C. INVESTMENTS LTD. | — | 10231 | — | Dissolved | |
| M.R.C. MARKETING | — | 333581 | — | Dissolved | |
| M.R.D. LAB Inc. | — | 679062 | — | Dissolved | |
| M.R.D. MARITIME RESOURCE DEVELOPMENT | — | 342048 | — | Dissolved | |
| M.R.H. PHARMACY SERVICES LTD. | — | 513313 | — | Active | |
| M.R.L. INVESTIGATIONS INC. | — | 52941 | — | Dissolved | |
| M.R.L. Realty Inc. | — | 729694 | — | Active | |
| M.R.M. Custom Woodwork | — | 648296 | — | Dissolved | |
| M.R.M. GIFT & NOVELTIES | — | 300434 | — | Dissolved | |
| M.R.N. SUPER MARCHE LTEE | — | 42700 | — | Dissolved | |
| M.R.P. INDUSTRIES LTD. | — | 47432 | — | Dissolved | |
| M.R.S. | — | 643433 | — | Dissolved | |
| M.R.S. | — | 643431 | — | Dissolved | |
| M.R.S. INC. | — | 605494 | — | Merged | |
| M.R.S. PARTS & SERVICE | — | 613399 | — | Dissolved | |
| M.R.S.L. HOLDINGS LTD. | — | 52692 | — | Dissolved | |
| M.Ross Entreprise | — | 710726 | — | Active | |
| M.Ruth Retreats | — | 742961 | — | Active | |
| M.S. CUSTOM SERVICES | — | 714740 | — | Active | |
| M.S. ENTERPRISES LTD. | — | 14842 | — | Dissolved | |
| M.S. GARDENSCAPES | — | 612041 | — | Dissolved | |
| M.S. Global Educational Services Ltd. | — | 626473 | — | Dissolved | |
| M.S. Landscape Inc. | — | 742176 | — | Active | |
| M.S. On Time Renovations | — | 710251 | — | Dissolved | |
| M.S. VENTURE CO. LTD. | — | 52401 | — | Dissolved | |
| M.S. WHITFORD HOLDINGS LTD. | — | 35515 | — | Dissolved | |
| M.S.B. ENERGY SYSTEMS LTD. | — | 30330 | — | Dissolved | |
| M.S.C. - MULTI-SERVICE CONSULTANT | — | 336699 | — | Dissolved | |
| M.S.C. CANADIAN PROPERTIES LIMITED | — | 10237 | — | Dissolved | |
| M.S.C. INSURANCE | — | 335405 | — | Dissolved | |
| M.S.C. INSURANCE LTD. | — | 15648 | — | Merged | |
| M.S.C. VENDING | — | 604483 | — | Dissolved | |
| M.S.J. ENTERPRISE INC. | — | 55290 | — | Dissolved | |
| M.S.K.K. KOUCHES | — | 339087 | — | Dissolved | |
| M.S.M. ARCHITECTE LTEE | — | 73751 | — | Dissolved | |
| M.S.M. CONSULTANTS LTEE/LTD. | — | 40203 | — | Dissolved | |
| M.S.M. DESIGN LTEE/LTD. | — | 33359 | — | Dissolved | |
| M.S.M. ENTERPRISES LTD. | — | 32899 | — | Dissolved | |
| M.S.P. et FILS LTEE | — | 507517 | — | Dissolved | |
| M.S.T. Consulting Inc. | — | 617663 | — | Dissolved | |
| M.S.T. PILATES CO. LTD. | — | 765719 | — | Active | |
| M.S.T. PILATES STUDIO | — | 759249 | — | Dissolved | |
| M.ST. RENOVATIONS | — | 620846 | — | Dissolved | |
| M.Sark & Company | — | 619532 | — | Dissolved | |
| M.T. AND THE BEAR LIMITED | — | 44144 | — | Dissolved | |
| M.T. BOTTLES | — | 350349 | — | Dissolved | |
| M.T. BOTTLES | — | 645237 | — | Dissolved | |
| M.T. Bleuetiere Inc. | — | 672532 | — | Active | |
| M.T. Doiron P.C. Inc. | — | 616068 | — | Dissolved | |
| M.T. EXPORT BROKERS CORP. | — | 633247 | — | Dissolved | |
| M.T. Hayes P.C. Incorporated | — | 744708 | — | Active | |
| M.T. Hayes Services P.C. Incorporated | — | 744707 | — | Active | |
| M.T. PICKARD HOLDINGS INC. | — | 59772 | — | Dissolved | |
| M.T. REALTY | — | 329681 | — | Dissolved | |