| MILLS WINDOW CLEANING AND PAINTING | — | 625046 | — | Dissolved | |
| MILLS-EVERLEIGH,LIMITED. | — | 94629 | — | Dissolved | |
| MILLSIDE ESTATES | — | 609341 | — | Dissolved | |
| MILLSTREAM CHRISTMAS TREES | — | 314640 | — | Active | |
| MILLSTREAM CONSTRUCTION SURVEYS | — | 301375 | — | Dissolved | |
| MILLSTREAM CREAMERY LIMITED | — | 94621 | — | Dissolved | |
| MILLSTREAM ENTERPRISES INC. - ENTREPRISES MILLSTREAM INC. | — | 502448 | — | Dissolved | |
| MILLSTREAM FARMS LTD. | — | 20169 | — | Dissolved | |
| MILLSTREAM HOLDINGS INC. | — | 58882 | — | Active | |
| MILLSTREAM MINES LTD. | — | 10988 | — | Active | |
| MILLSTREAM REGIONAL RECREATION COUNCIL INC. | — | 10989 | — | Dissolved | |
| MILLSTREAM SCENIC VIEW GOLF CLUB INC. | — | 55164 | — | Active | |
| MILLSTREAM SERVICE CENTRE LTD. | — | 33264 | — | Merged | |
| MILLSTREAM SUPPORT SERVICES | — | 332468 | — | Dissolved | |
| MILLSTREAM VALLEY GARDENS INC. | — | 705800 | — | Active | |
| MILLSTREAM VALLEY SNOWMOBILERS INC. | — | 24566 | — | Active | |
| MILLSTREAM WOOD PRODUCTS INC. | — | 623033 | — | Active | |
| MILLTOWN - SALMON FALLS SENIOR CITIZENS CLUB INC. | — | 22269 | — | Dissolved | |
| MILLTOWN BED & BREAKFAST | — | 632758 | — | Dissolved | |
| MILLTOWN DENTURE CLINIC | — | 305669 | — | Dissolved | |
| MILLTOWN ESTATES LTD. | — | 10990 | — | Dissolved | |
| MILLTOWN GARAGE | — | 305670 | — | Dissolved | |
| MILLTOWN GARAGE LTD. | — | 10991 | — | Merged | |
| MILLTOWN GARAGE LTD. | — | 41026 | — | Dissolved | |
| MILLTOWN HEIGHTS APTS. | — | 301947 | — | Dissolved | |
| MILLTOWN HEIGHTS NURSING HOME LTD. | — | 10992 | — | Dissolved | |
| MILLTOWN LUMBER CO. LTD. | — | 94611 | — | Dissolved | |
| MILLTOWN LUMBER CO., LIMITED | — | 94622 | — | Dissolved | |
| MILLTOWN MACHINE & FABRICATION LTD. | — | 59837 | — | Active | |
| MILLTOWN PAPER PRODUCTS LTD. | — | 94624 | — | Dissolved | |
| MILLTOWN PARTICLE BOARD CO. LTD. | — | 94625 | — | Dissolved | |
| MILLTOWN PROPERTIES LTD. | — | 94626 | — | Dissolved | |
| MILLTOWN SALES & SERVICE INC., | — | 94627 | — | Dissolved | |
| MILLTOWN STORES, LIMITED | — | 94628 | — | Dissolved | |
| MILLTOWN TAXI | — | 305671 | — | Dissolved | |
| MILLTOWN TRUCKING COMPANY LIMITED | — | 10993 | — | Active | |
| MILLTRONICS LTD. | — | 74535 | — | Merged | |
| MILLTRONICS LTD.-MILLTRONICS LTEE | — | 76575 | — | Dissolved | |
| MILLVILLE APPLIANCE SERVICE | — | 313479 | — | Dissolved | |
| MILLVILLE AREA RECREATION ASSOCIATION INC. | — | 10994 | — | Dissolved | |
| MILLVILLE CONVENIENCE STORE & SERVICE CENTRE | — | 327755 | — | Dissolved | |
| MILLVILLE EQUESTRIAN CLUB INC. | — | 24967 | — | Dissolved | |
| MILLVILLE ESSO SERVICE | — | 305672 | — | Dissolved | |
| MILLVILLE LUMBER COMPANY LTD. | — | 10995 | — | Dissolved | |
| MILLVILLE OUTDOOR PEOPLE INC. | — | 24852 | — | Dissolved | |
| MILLVILLE SENIOR SILVER CIRCLE CLUB INC | — | 23478 | — | Active | |
| MILLVILLE SNOWHAWKS SNOWMOBILE CLUB INC. | — | 24299 | — | Active | |
| MILLVILLE SPECIALTY PRODUCTS | — | 351408 | — | Dissolved | |
| MILLVILLE TRUCKING LTD | — | 47081 | — | Dissolved | |
| MILLWOOD RECREATION LIMITED | — | 37806 | — | Dissolved | |
| MILLWRIGHT MECHANICAL LTD. | — | 503326 | — | Dissolved | |
| MILLWRIGHTING SERVICES LTD. | — | 37826 | — | Dissolved | |
| MILLY'S HOUSE CLEANING | — | 342177 | — | Dissolved | |
| MILMAC PARK | — | 305673 | — | Dissolved | |
| MILNCO INSURANCE INC. | — | 703369 | — | Active | |
| MILNE INVESTMENTS LTD. | — | 609992 | — | Active | |
| MILNE'S AUTO BODY | — | 342179 | — | Dissolved | |
| MILNE'S EXCAVATION LTD. | — | 760193 | — | Pending | |
| MILNE,COUTTS & CO. (LIMITED) | — | 94630 | — | Dissolved | |
| MILNECO LTD. | — | 10996 | — | Merged | |
| MILNER REALTY LTD | — | 45129 | — | Dissolved | |
| MILO & PEL INC. | — | 635571 | — | Dissolved | |
| MILO REALTY | — | 305674 | — | Dissolved | |
| MILRIG LTD. | — | 10998 | — | Dissolved | |
| MILTON DISTRIBUTORS | — | 305675 | — | Dissolved | |
| MILTON GLASS LTD. | — | 33191 | — | Dissolved | |
| MILTON GREENE DECORATIVE RENOVATIONS PLUS | — | 337741 | — | Dissolved | |
| MILTON HALL FRAISES LIMITEE | — | 10177 | — | Dissolved | |
| MILTON INDUSTRIES LTD. | — | 10999 | — | Dissolved | |
| MILTON SALES LTD. | — | 11000 | — | Dissolved | |
| MILTON'S COMMERCIAL ART | — | 305677 | — | Dissolved | |
| MILTON'S DINER | — | 313583 | — | Dissolved | |
| MILTON'S DINER LTD. | — | 40442 | — | Dissolved | |
| MILTON'S GRILL | — | 305678 | — | Dissolved | |
| MIM I LLC | — | 672763 | — | Dissolved | |
| MIM LTEE | — | 11001 | — | Dissolved | |
| MIM PUBLISHING INC./PUBLICATIONS MIM INC. | — | 56680 | — | Dissolved | |
| MIMAK CARE CORPORATION | — | 759476 | — | Active | |
| MIME Communication | — | 346456 | — | Dissolved | |
| MIMI 2020 CHRISTMAS WREATHS INC. | — | 719635 | — | Dissolved | |
| MIMIZAWA To-Go Cafe | — | 660745 | — | Dissolved | |
| MIMOSA HOLDING CORPORATION | — | 641149 | — | Dissolved | |
| MIMSHACH ENTERPRISES | — | 342696 | — | Dissolved | |
| MIMZWORLD | — | 600655 | — | Dissolved | |
| MIN INVESTMENTS LTD. | — | 42229 | — | Dissolved | |
| MIN-U-ETTE FAMILY HAIRSTYLING | — | 300853 | — | Dissolved | |
| MINA | — | 664216 | — | Active | |
| MINA COMPUTER SYSTEMS | — | 672424 | — | Dissolved | |
| MINA COMPUTER SYSTEMS | — | 337461 | — | Dissolved | |
| MINA Foods | — | 664344 | — | Active | |
| MINA'S FACE PAINTING | — | 339461 | — | Dissolved | |
| MINAN ENTERPRISES LTD. | — | 11002 | — | Dissolved | |
| MIND AND MOTION THERAPY INC. | — | 774575 | — | Active | |
| MIND BODY AND SOLE MASSAGE THERAPY | — | 697954 | — | Active | |
| MIND CARE NEW BRUNSWICK INC. | — | 3243 | — | Dissolved | |
| MIND GAMES | — | 779150 | — | Active | |
| MIND Holdings Canada Inc. | — | 660113 | — | Dissolved | |
| MIND MAP INC. | — | 617378 | — | Dissolved | |
| MIND MATTERS - PERFORMANCE ENHANCEMENT CONSULTANT | — | 343155 | — | Dissolved | |
| MIND MATTERS A.S. CONSULTING | — | 721565 | — | Active | |
| MIND THE STORE INTERNET BUSINESS CENTER (N.B.) INC. | — | 505481 | — | Dissolved | |
| MIND'S EDGE MARKETING | — | 338053 | — | Dissolved | |
| MIND, BODY REMEDY MASSAGE THERAPY | — | 769826 | — | Dissolved | |
| MIND, BODY REMEDY MASSAGE THERAPY LTD. | — | 775904 | — | Active | |
| MIND7 ADHD Strategies | — | 719843 | — | Pending | |
| MINDBEACON HEALTH INC. | — | 705234 | — | Merged | |
| MINDESTATE CAPITAL LTD. | — | 753250 | — | Active | |
| MINDFUL ESCAPE APPAREL | — | 725672 | — | Pending | |
| MINDLEDGE.com Corporation | — | 510684 | — | Dissolved | |
| MINDS EYE PRODUCTIONS | — | 329057 | — | Dissolved | |
| MINDS MATTER WITH A & J COUNSELLING SOLUTIONS | — | 733928 | — | Active | |
| MINDSCAPES DIGITAL IMAGING AND GRAPHIC DESIGN | — | 349220 | — | Dissolved | |
| MINDSET RESOURCES LTD. | — | 613267 | — | Dissolved | |
| MINDSWEEP INC. | — | 603479 | — | Dissolved | |
| MINDWARE MULTIMEDIA GROUP INC. | — | 502751 | — | Dissolved | |
| MINE SAFETY APPLIANCES COMPANY | — | 612598 | — | Merged | |
| MINERAL FARMS LTD. | — | 688737 | — | Merged | |
| MINERAL INDUSTRIES, LIMITED | — | 94633 | — | Dissolved | |
| MINERAL INSULATED PYROTENAX CABLE | — | 322630 | — | Dissolved | |
| MINERAL RECOVERY TECHNOLOGIES CONSOLIDATED PTY LTD | — | 723376 | — | Dissolved | |
| MINERAL SERVICES CANADA INC. | — | 510733 | — | Active | |
| MINERAL SERVICES LTD. | — | 50655 | — | Dissolved | |
| MINERALS AND CHEMICAL SALES LIMITED | — | 94635 | — | Dissolved | |
| MINET INC. | — | 694284 | — | Active | |
| MING GARDEN (1993) LTD. | — | 55904 | — | Dissolved | |
| MING GARDEN LTD. | — | 11005 | — | Dissolved | |
| MING RESTAURANT | — | 305681 | — | Dissolved | |
| MING RESTAURANT LTD. | — | 11006 | — | Dissolved | |
| MING WELDING | — | 352204 | — | Dissolved | |
| MING'S HOUSE DINING ROOM | — | 319412 | — | Dissolved | |
| MING-WOK RESTAURANT | — | 314500 | — | Dissolved | |
| MINGLER'S PUB | — | 321612 | — | Active | |
| MINGO SERVICES LIMITED | — | 513833 | — | Dissolved | |
| MINGO'S LTD. | — | 600424 | — | Dissolved | |
| MINGOLD RESOURCES INC. | — | 70801 | — | Dissolved | |
| MINH'S STORE | — | 650549 | — | Dissolved | |
| MINHAS FINANCIAL SERVICES INC. | — | 760870 | — | Active | |
| MINI AQUISITIONS GROUP LTD. | — | 11007 | — | Dissolved | |
| MINI CANADA | — | 352776 | — | Active | |
| MINI COMPUTER SYSTEMS LTD. | — | 11008 | — | Dissolved | |
| MINI CURL LTD. | — | 11009 | — | Dissolved | |
| MINI DOLLARS STORE | — | 340762 | — | Dissolved | |
| MINI FARM ESTATES LTD. | — | 11011 | — | Dissolved | |
| MINI FINANCE | — | 352780 | — | Active | |
| MINI FINANCE CANADA | — | 352781 | — | Active | |
| MINI FINANCIAL SERVICES | — | 352777 | — | Active | |
| MINI FINANCIAL SERVICES CANADA | — | 352779 | — | Active | |
| MINI GOLF BO-BOULE | — | 305682 | — | Dissolved | |
| MINI GOLF CARAQUET | — | 607122 | — | Dissolved | |
| MINI GOLF CARAQUET | — | 611938 | — | Dissolved | |
| MINI GOLF TRACADIE-SHEILA LTEE | — | 500256 | — | Dissolved | |
| MINI GROUP FINANCE CANADA | — | 352778 | — | Active | |
| MINI JONESIES TAKE-OUT AND DINER | — | 663974 | — | Dissolved | |
| MINI MALL STORAGE PROPERTIES GP LTD. | — | 724662 | — | Active | |
| MINI MARCHE MARIJO INC. | — | 34067 | — | Dissolved | |
| MINI MART LAFORGE | — | 301542 | — | Dissolved | |
| MINI MART LTD. | — | 11014 | — | Active | |
| MINI ME EXCAVATION | — | 617541 | — | Dissolved | |
| MINI PARK GLACIER INC. | — | 624951 | — | Dissolved | |
| MINI'S SUPPLIES LTD. | — | 11018 | — | Dissolved | |
| MINI-DONAL LTD./LTEE | — | 11010 | — | Dissolved | |
| MINI-FREIGHT LINE | — | 309032 | — | Dissolved | |
| MINI-GOLF GIONET LTD. | — | 11012 | — | Dissolved | |
| MINI-MARCHE DE CARAQUET (1979) LTEE | — | 11013 | — | Dissolved | |
| MINI-MARCHE-MARKET IRVING | — | 305683 | — | Dissolved | |
| MINI-MIX CONCRETE LTD. | — | 11015 | — | Dissolved | |
| MINI-PARC | — | 318243 | — | Dissolved | |
| MINI-SPORTS LTD. | — | 11016 | — | Dissolved | |
| MINI-UNIVERSITE SAINT-LOUIS-MAILLET INC. | — | 24440 | — | Dissolved | |
| MINIBAR QUEBEC INC. | — | 19919 | — | Dissolved | |
| MINICO INSURANCE AGENCY OF CANADA INCORPORATED | — | 659868 | — | Dissolved | |
| MINIMED CANADA ULC | — | 778937 | — | Active | |
| MINING & FINANCIAL CONSULTANTS LTD. | — | 11017 | — | Dissolved | |
| MINING CORPORATION OF CANADA LIMITED | — | 18085 | — | Dissolved | |
| MINISO LIFESTYLE CANADA INC. | — | 775464 | — | Active | |
| MINISTER'S ISLAND FISHERIES LTD. | — | 509652 | — | Merged | |
| MINISTER'S MUTUAL AID ASSOCIATION INC. | — | 24652 | — | Dissolved | |
| MINIT-TUNE MARITIME | — | 312018 | — | Dissolved | |
| MINITUBE CANADA LTD. | — | 718599 | — | Active | |
| MINLAK ENTERPRISES | — | 309247 | — | Dissolved | |
| MINLAK TRAINING PROGRAMS INC. | — | 22349 | — | Active | |
| MINNIE - MICKEY | — | 300431 | — | Dissolved | |
| MINNIES CLEANING | — | 329967 | — | Dissolved | |
| MINOLTA BUSINESS EQUIPMENT (CANADA), LTD. | — | 73155 | — | Merged | |
| MINOLTA BUSINESS EQUIPMENT (CANADA), LTD. | — | 75272 | — | Dissolved | |
| MINOLTA OFFICE SYSTEMS (WNB) LTD. | — | 71380 | — | Merged | |
| MINOR CONVENIENCE | — | 331967 | — | Dissolved | |
| MINOTAURE CONSTRUCTION LTEE | — | 707833 | — | Dissolved | |
| MINS Group Ltd. | — | 727471 | — | Active | |
| MINT LOGGING INC. | — | 42043 | — | Dissolved | |
| MINTCO REALTY INC. | — | 39880 | — | Dissolved | |
| MINTEX CANADA | — | 325925 | — | Dissolved | |
| MINTEX CANADA LIMITED | — | 18086 | — | Merged | |
| MINTIS ENTERPRISES LTD. | — | 11019 | — | Dissolved | |
| MINTIS ENTERPRISES REG'D. | — | 305684 | — | Dissolved | |
| MINTO - CHIPMAN TRUCKERS ASSOCIATION LTD. | — | 94640 | — | Dissolved | |
| MINTO AUTO SUPPLIES | — | 311585 | — | Dissolved | |
| MINTO AUTO SUPPLIES | — | 344757 | — | Dissolved | |
| MINTO BARGAIN HOUSE REGISTERED | — | 305685 | — | Dissolved | |
| MINTO BOTTLE EXCHANGE | — | 305686 | — | Dissolved | |