| MAMA HUBBARD'S CUPBOARD | — | 329297 | — | Dissolved | |
| MAMA KAY ENTERPRISES | — | 317576 | — | Dissolved | |
| MAMA MIA RESTAURANT | — | 326645 | — | Dissolved | |
| MAMA ROSA'S HOMEMADE PASTA | — | 318408 | — | Dissolved | |
| MAMA ROSE PETITS FRUITS EXQUIS INC. | — | 717688 | — | Dissolved | |
| MAMA'S BAKERY LIMITED | — | 728765 | — | Dissolved | |
| MAMA'S DINE N DANCE | — | 324298 | — | Dissolved | |
| MAMA'S PUB | — | 618052 | — | Dissolved | |
| MAMA'S PUB | — | 327400 | — | Dissolved | |
| MAMA'S TOO RESTAURANT | — | 336030 | — | Dissolved | |
| MAMAN & MOI | — | 622109 | — | Dissolved | |
| MAMCO | — | 337826 | — | Dissolved | |
| MAMIE'S COOKIE HOUSE | — | 323234 | — | Dissolved | |
| MAMISA Construction Inc. | — | 764422 | — | Active | |
| MAMISHE INVESTMENTS LTD. | — | 760269 | — | Active | |
| MAMMA'S PIZZA | — | 324951 | — | Dissolved | |
| MAMMA'S PIZZA | — | 338954 | — | Dissolved | |
| MAMMOET CANADA EASTERN LTD. | — | 703188 | — | Active | |
| MAMMOET CANADA INC. | — | 74620 | — | Dissolved | |
| MAMMOTH HOLDINGS LTD. | — | 32467 | — | Dissolved | |
| MAMOLU CHAUSSURES | — | 330563 | — | Dissolved | |
| MAMU CEL HOME SUPPORT SERVICES | — | 764525 | — | Active | |
| MAN FRIDAY SERVICES | — | 336511 | — | Dissolved | |
| MAN FUNG TRADING | — | 351435 | — | Dissolved | |
| MAN O'WAR SALMON LTD. | — | 38253 | — | Merged | |
| MAN O'WAR SALMON LTD. | — | 504316 | — | Merged | |
| MAN ON THE STREET COMMUNICATIONS | — | 311855 | — | Dissolved | |
| MAN ROLAND CANADA INC. | — | 72943 | — | Dissolved | |
| MAN-ROAD HOLDINGS LTD. | — | 35287 | — | Dissolved | |
| MAN-WAH LTD. | — | 34629 | — | Dissolved | |
| MANA Clothing | — | 769167 | — | Active | |
| MANA Health & Wellness | — | 757348 | — | Active | |
| MANAC INC. | — | 722459 | — | Active | |
| MANAC ULC | — | 76799 | — | Dissolved | |
| MANAGECOM HOTELS LTD. | — | 73768 | — | Dissolved | |
| MANAGEERING ASSOCIATES | — | 308580 | — | Dissolved | |
| MANAGEMENT 3 INC. | — | 34316 | — | Dissolved | |
| MANAGEMENT ADVOCATES | — | 325466 | — | Dissolved | |
| MANAGEMENT BY OBJECTIVES LTD. | — | 94236 | — | Dissolved | |
| MANAGEMENT CONCEPT 2000 INC/CONCEPT GESTION 2000 INC. | — | 40037 | — | Dissolved | |
| MANAGEMENT CONSULTANTS LIMITED | — | 94189 | — | Dissolved | |
| MANAGEMENT CS LP | — | 400553 | — | Dissolved | |
| MANAGEMENT DEVELOPMENT INSTITUTE/INSTITUT DE DEVELOPPEMENT EN GESTION | — | 332501 | — | Dissolved | |
| MANAGEMENT DEVELOPMENT SERVICES, LTD. | — | 10389 | — | Dissolved | |
| MANAGEMENT DIMENSIONS INC. | — | 616308 | — | Dissolved | |
| MANAGEMENT FUTURES | — | 332247 | — | Dissolved | |
| MANAGEMENT HOLDINGS LTD. | — | 508397 | — | Dissolved | |
| MANAGEMENT INFORMATION SYSTEMS INC. | — | 39161 | — | Dissolved | |
| MANAGEMENT INSIGHTS LIMITED | — | 58766 | — | Dissolved | |
| MANAGEMENT MINDS | — | 318727 | — | Dissolved | |
| MANAGEMENT OF INDEPENDENT LIVING EXPERIENCES INC. | — | 10390 | — | Dissolved | |
| MANAGEMENT ONE LTD. | — | 514457 | — | Merged | |
| MANAGEMENT PLUS INC. | — | 510024 | — | Merged | |
| MANAGEMENT SERVICES LTD. | — | 10391 | — | Dissolved | |
| MANAGER FOOD AFRO & GRILL | — | 769229 | — | Active | |
| MANAGERIAL EFFECTIVENESS LTD. | — | 94237 | — | Dissolved | |
| MANAGEST 2000 | — | 342154 | — | Dissolved | |
| MANAGEST 2000 INC. | — | 505144 | — | Dissolved | |
| MANAL YASSIN FAMILY PRACTICE P.C. INC. | — | 777616 | — | Active | |
| MANAN AIR SERVICES INC. | — | 48294 | — | Active | |
| MANANOOK AQUACULTURE LTD. | — | 55509 | — | Dissolved | |
| MANANOOK LODGE #38, FREE & ACCEPTED MASONS, INC. | — | 24424 | — | Active | |
| MANARAT ASSOCIATION FOR COMMUNITY SERVICES INC. | — | 763135 | — | Active | |
| MANATECH LTD. | — | 36684 | — | Dissolved | |
| MANAWA HOLDINGS LTD. | — | 672846 | — | Active | |
| MANAWAGONISH AREA RESIDENTS INC. | — | 10392 | — | Dissolved | |
| MANAWAGONISH INVESTMENTS LTD. | — | 10393 | — | Dissolved | |
| MANCERA INC. | — | 726802 | — | Dissolved | |
| MANCHESTER AGENCIES | — | 310686 | — | Dissolved | |
| MANCHESTER CONSTRUCTION | — | 311770 | — | Dissolved | |
| MANCHESTER CONSTRUCTION | — | 669121 | — | Dissolved | |
| MANCHESTER ELECTRIC | — | 683377 | — | Dissolved | |
| MANCHESTER METALWORKS | — | 652115 | — | Dissolved | |
| MANCHESTER RESTORATION | — | 683378 | — | Dissolved | |
| MANCHESTER ROBERTSON ALLISON, LIMITED | — | 10394 | — | Dissolved | |
| MANCHESTER ROOM | — | 300039 | — | Dissolved | |
| MANCHESTER SHOE SALON LTD. | — | 509983 | — | Dissolved | |
| MANCHESTER SHOE SALON LTD. | — | 56584 | — | Merged | |
| MANCHESTER TRENDS | — | 338084 | — | Dissolved | |
| MANCHESTER, ROBERTSON, ALLISON,(LIMITED) | — | 94238 | — | Dissolved | |
| MANCHU (CHAMPLAIN) | — | 301462 | — | Dissolved | |
| MANCHU - MARK YOUNG DESIGN | — | 670936 | — | Dissolved | |
| MANCHU WOK | — | 327204 | — | Dissolved | |
| MANCHU WOK (CANADA) INC. | — | 77375 | — | Dissolved | |
| MANCINI CLOTHING | — | 311214 | — | Dissolved | |
| MANCO LTD. | — | 10395 | — | Dissolved | |
| MANCO OIL LIMITED | — | 6686 | — | Dissolved | |
| MANCO PETROLEUM LIMITED | — | 45457 | — | Dissolved | |
| MANCO PROPERTIES LIMITED | — | 34915 | — | Dissolved | |
| MANDA INVESTMENTS LIMITED | — | 70418 | — | Dissolved | |
| MANDALA CORPORATION | — | 42336 | — | Dissolved | |
| MANDAN DISTRIBUTION | — | 654029 | — | Dissolved | |
| MANDARIN HOUSE RESTAURANT LTD. | — | 10396 | — | Dissolved | |
| MANDARIN PALACE | — | 313529 | — | Dissolved | |
| MANDARIN PALACE | — | 628262 | — | Dissolved | |
| MANDATE CRUSHING & PAVING (1978) LTD. | — | 10397 | — | Dissolved | |
| MANDATE ERECTORS & WELDING (1997) LTD. | — | 505203 | — | Dissolved | |
| MANDATE ERECTORS & WELDING LTD. | — | 52446 | — | Dissolved | |
| MANDATE ERECTORS & WELDING LTD. | — | 30034 | — | Merged | |
| MANDATE MINING LTD. | — | 94239 | — | Dissolved | |
| MANDATE REFINING CO. (CANADA) LTD. | — | 94240 | — | Dissolved | |
| MANDATE STEEL ERECTORS LTD. | — | 510034 | — | Dissolved | |
| MANDEM | — | 305452 | — | Dissolved | |
| MANDEM INC. | — | 72540 | — | Dissolved | |
| MANDEM INC. | — | 19758 | — | Merged | |
| MANDERSON Racing | — | 613952 | — | Dissolved | |
| MANDERSON'S REFRIGERATION LTD. | — | 10398 | — | Dissolved | |
| MANDERVILLE'S USED CARS AND AUTO SALVAGE LTD. | — | 36749 | — | Active | |
| MANDEVILLE INSURANCE SERVICES INC./ SERVICES D'ASSURANCE MANDEVILLE INC. | — | 695794 | — | Active | |
| MANDEVILLE PRIVATE CLIENT INC./ GESTION PRIVÉE MANDEVILLE INC. | — | 715534 | — | Active | |
| MANDEVILLE PRIVATE CLIENT INC./GESTION PRIVÉE MANDEVILLE INC. | — | 653364 | — | Merged | |
| MANDY BOAK'S HAIR EXTENSIONS | — | 694169 | — | Active | |
| MANDY'S CREATIVE CERAMICS | — | 345844 | — | Dissolved | |
| MANDY'S ENTERPRISES | — | 311521 | — | Dissolved | |
| MANDY'S TAKE-OUT | — | 324836 | — | Dissolved | |
| MANE ATTRACTION LTD. | — | 50423 | — | Dissolved | |
| MANE LTEE | — | 10399 | — | Dissolved | |
| MANEC INC. | — | 58516 | — | Dissolved | |
| MANEFFECT INTERNATIONAL LTD. | — | 94241 | — | Merged | |
| MANEX LTD. | — | 10400 | — | Dissolved | |
| MANFORD M. THOMPSON CONSTRUCTION COMPANY LIMITED | — | 16149 | — | Dissolved | |
| MANFRED'S AUTO & TRUCK REPAIR | — | 317910 | — | Dissolved | |
| MANFRED'S AUTO & TRUCK REPAIR LTD. | — | 47787 | — | Merged | |
| MANGANESE MINES, LIMITED | — | 94243 | — | Dissolved | |
| MANGANESE X ENERGY CORP. | — | 706218 | — | Active | |
| MANGANESE, LIMITED | — | 94242 | — | Dissolved | |
| MANGO FRESH MARKET LTD. | — | 725111 | — | Active | |
| MANHATTAN GOURMET HOT DOGS | — | 320923 | — | Dissolved | |
| MANHEIM AUTO AUCTIONS | — | 696525 | — | Active | |
| MANHEIM AUTO AUCTIONS COMPANY/SOCIÉTÉ D'ENCANS AUTOMOBILES MANHEIM | — | 637086 | — | Merged | |
| MANHEIM CANADA | — | 637087 | — | Active | |
| MANHEIM MONCTON | — | 637088 | — | Active | |
| MANHEIM MONCTON | — | 632535 | — | Dissolved | |
| MANI HOLDINGS LTD. | — | 747230 | — | Active | |
| MANIA ELECTRIC LTD/LTEE | — | 42948 | — | Dissolved | |
| MANIA-VIDEO LTEE | — | 31802 | — | Dissolved | |
| MANIACS Motorcycles | — | 705868 | — | Dissolved | |
| MANIC INVESTMENTS INC. | — | 633646 | — | Active | |
| MANIC ORGANIC FARM | — | 695662 | — | Active | |
| MANIC TRANSPORT INC. | — | 50489 | — | Dissolved | |
| MANICK ENTERPRISES | — | 315756 | — | Dissolved | |
| MANILA FOOD & GIFTS LTD. | — | 10401 | — | Dissolved | |
| MANION WILKINS & ASSOCIATES LTD. | — | 692173 | — | Merged | |
| MANION WILKINS & ASSOCIATES LTD. | — | 695872 | — | Active | |
| MANITEE MAINTENANCE | — | 322258 | — | Dissolved | |
| MANITOU DRILLING LTD. | — | 94244 | — | Dissolved | |
| MANITOULIN TRANSPORT INC. | — | 774167 | — | Active | |
| MANITOWOC FINANCE | — | 646479 | — | Active | |
| MANKIT HOLDINGS LTD. | — | 510193 | — | Active | |
| MANN AND HAYES | — | 305453 | — | Dissolved | |
| MANN AXE AND TOOL COMPANY,LIMITED | — | 94246 | — | Dissolved | |
| MANN HOLDINGS LTD. | — | 31159 | — | Dissolved | |
| MANN ORCHARDS INC. | — | 696922 | — | Pending | |
| MANN RENTALS INC. | — | 38694 | — | Dissolved | |
| MANN'S GARAGE | — | 305455 | — | Dissolved | |
| MANN'S GARAGE, LTD. | — | 94247 | — | Dissolved | |
| MANN'S GARDEN CENTRE & LANDSCAPING LTD. | — | 48838 | — | Dissolved | |
| MANN+HUMMEL FILTRATION TECHNOLOGY CANADA ULC | — | 648923 | — | Active | |
| MANNA CARE FOUNDATION INC. | — | 25820 | — | Active | |
| MANNA ENTERPRISES | — | 309566 | — | Dissolved | |
| MANNACOM.NET CANADA LTD. | — | 512978 | — | Dissolved | |
| MANNATECH, INCORPORATED | — | 75364 | — | Active | |
| MANNERS SUTTON PLACE INC. | — | 25462 | — | Dissolved | |
| MANNERS SUTTON SHEEP FARM | — | 311798 | — | Dissolved | |
| MANNERS-SUTTON BUILDING ASSOCIATION | — | 305454 | — | Dissolved | |
| MANNESMANN DEMAG LTD. (FR) | — | 18024 | — | Merged | |
| MANNESMANN DEMAG MATERIAL HANDLING LTD. MANNESMANN DEMAG MANUTENTION LTEE | — | 19518 | — | Dissolved | |
| MANNETTE HOLDINGS LTD. | — | 57265 | — | Dissolved | |
| MANNING INDUSTRIAL PROPERTIES CORPORATION | — | 512509 | — | Dissolved | |
| MANNING LAND & CATTLE COMPANY | — | 325430 | — | Dissolved | |
| MANNING PAINTING | — | 320042 | — | Dissolved | |
| MANNING SHOPPING CENTRE CORPORATION | — | 512510 | — | Dissolved | |
| MANO 1012 Holdings Inc. | — | 679757 | — | Active | |
| MANOIR 1755 MANOR | — | 343772 | — | Dissolved | |
| MANOIR ADELAIDE INC. | — | 665659 | — | Active | |
| MANOIR ADELAIDE INC. | — | 45545 | — | Merged | |
| MANOIR ANTOINETTE MANOR LTD. | — | 507116 | — | Active | |
| MANOIR APPALACHES MANOR | — | 677861 | — | Dissolved | |
| MANOIR BALMORAL | — | 664147 | — | Dissolved | |
| MANOIR BASQUE LTEE/MANOR BASQUE LTD. | — | 51953 | — | Dissolved | |
| MANOIR BELLE RIVE LTEE | — | 35978 | — | Merged | |
| MANOIR BELLE VUE INC. | — | 655825 | — | Active | |
| MANOIR BRISE DE L'OASIS INC. | — | 633458 | — | Active | |
| MANOIR CHAMPLAIN LTEE-CHAMPLAIN MANOR LTD. | — | 37520 | — | Dissolved | |
| MANOIR DE LA BUTTE LTEE | — | 501155 | — | Pending | |
| MANOIR DE LA PASSERELLE LTÉE | — | 637450 | — | Merged | |
| MANOIR DE LA RIVIERE INC. | — | 23499 | — | Active | |
| MANOIR DE LA SAGESSE INC. | — | 643179 | — | Merged | |
| MANOIR DE LA SAGESSE INC. | — | 678777 | — | Active | |
| MANOIR DU 3EME AGE DE ST-ISIDORE INC. | — | 24494 | — | Dissolved | |
| MANOIR DU LAC INKERMAN INCORPOREE | — | 21707 | — | Active | |
| MANOIR DU MASCARET INC. | — | 621188 | — | Active | |
| MANOIR DU NORD INC. | — | 645263 | — | Merged | |
| MANOIR EDITH B. PINET INC. | — | 22068 | — | Active | |
| MANOIR H D BASQUE LTÉE | — | 635399 | — | Active | |
| MANOIR LA TRINITE LTEE | — | 40420 | — | Dissolved | |
| MANOIR NOTRE-DAME MANOR INC. | — | 500385 | — | Merged | |
| MANOIR OASIS DE LA BAIE INC. | — | 637377 | — | Active | |
| MANOIR S. LEMIEUX INC. | — | 619827 | — | Merged | |
| MANOIR SAINT-JEAN BAPTISTE INC. | — | 10402 | — | Active | |