| Collage | — | 713530 | — | Active | |
| Collage HR | — | 713531 | — | Active | |
| CollectIt Waste Management Inc. | — | 511969 | — | Dissolved | |
| Collectcents Inc. | — | 616838 | — | Active | |
| Collectif Folk Racines Inc. | — | 766014 | — | Active | |
| Collectif d'artistes HAT | — | 714558 | — | Dissolved | |
| Collection Bourgeois | — | 349196 | — | Dissolved | |
| Collection Educative Mme Lisa | — | 740567 | — | Active | |
| Collective Mobility Fitness | — | 776024 | — | Active | |
| Collective Project Limited | — | 685145 | — | Merged | |
| Collector's Corner Moncton | — | 777916 | — | Active | |
| Colleen Bourgeois Interiors | — | 663541 | — | Dissolved | |
| Colleen Dental Hygiene Care Inc. | — | 748827 | — | Active | |
| Colleen Evelyn Music | — | 770342 | — | Active | |
| Colleen Tobin Designs | — | 610897 | — | Dissolved | |
| Colleen's Crafty Loft | — | 346695 | — | Dissolved | |
| Colleen's Home Clean Services | — | 756268 | — | Active | |
| Colleen's Market Garden | — | 693745 | — | Dissolved | |
| College Hill Apartments | — | 626325 | — | Dissolved | |
| College Hill Apartments | — | 699421 | — | Active | |
| College Towne Siding | — | 344967 | — | Dissolved | |
| College of Counselling Therapists of New Brunswick | — | 699603 | — | Active | |
| College of Craft and Design Student Association New Brunswick Inc. | — | 710795 | — | Active | |
| College of Licensed Counselling Therapists of New Brunswick | — | 699567 | — | Active | |
| College of Massage Therapists of New Brunswick Collège des massothérapeutes du Nouveau-Brunswick | — | 678385 | — | Active | |
| College of Nursing of New Brunswick | — | 773365 | — | Active | |
| College of Osteopaths of New Brunswick / Ordre des ostéopathes du Nouveau-Brunswick | — | 616834 | — | Active | |
| College of Physiotherapists of New Brunswick Collège des physiothérapeutes du Nouveau-Brunswick | — | 12049 | — | Active | |
| Collette Cattle & Company | — | 714947 | — | Active | |
| Collette Concrete & Construction Inc. | — | 631780 | — | Dissolved | |
| Collette Family Campground | — | 736319 | — | Active | |
| Collette Flooring Inc. | — | 627182 | — | Merged | |
| Collette Forestry Inc. | — | 714781 | — | Pending | |
| Collette Livestock Ltd. | — | 769936 | — | Active | |
| Collette Tech Solutions | — | 601795 | — | Dissolved | |
| Collibra Canada Ltd. | — | 718010 | — | Active | |
| Collicott's Workshop | — | 740616 | — | Dissolved | |
| Collicott's Workshop | — | 740851 | — | Active | |
| Collide Creative Agency | — | 736151 | — | Dissolved | |
| Collide Creative Agency Inc. | — | 778777 | — | Active | |
| Colliding Tides Gin Beverage | — | 700072 | — | Active | |
| Collier Brothers Ltd. | — | 623039 | — | Active | |
| Colliers | — | 722613 | — | Active | |
| Colliers Debt Advisory Financial Services (New Brunswick) Inc. | — | 774756 | — | Active | |
| Colliers Development Solutions Inc. Colliers Conseil en développement inc. | — | 683467 | — | Merged | |
| Colliers International (New Brunswick) Inc. | — | 659581 | — | Dissolved | |
| Colliers Project Leaders Inc. Colliers Maîtres de projets inc. | — | 694275 | — | Merged | |
| Colliers Project Leaders Inc. Colliers Maîtres de projets inc. | — | 752539 | — | Active | |
| Colliers Project Leaders Inc. Colliers Maîtres de projets inc. | — | 638353 | — | Merged | |
| Collin Lake Horse Ranch | — | 344686 | — | Dissolved | |
| Collinda Holdings Ltd. | — | 664156 | — | Dissolved | |
| Collings Forestry Sevices | — | 600599 | — | Dissolved | |
| Collingwood Cablevision Limited | — | 507619 | — | Merged | |
| Collins Family Fisheries Ltd. | — | 734545 | — | Active | |
| Collins Investments Inc. | — | 672486 | — | Merged | |
| Collins Laser Restoration | — | 777879 | — | Active | |
| Collioure Limited Partnership | — | 777387 | — | Active | |
| Collishaw Auto Repair | — | 352314 | — | Dissolved | |
| Collishaw Auto Sales | — | 639284 | — | Dissolved | |
| Collishaw Auto Sales & Financial | — | 745792 | — | Active | |
| Collishaw Properties LLC | — | 659175 | — | Dissolved | |
| Collishaw Properties Ltd. | — | 658927 | — | Dissolved | |
| Collishaw Transit Trucking | — | 681879 | — | Dissolved | |
| Collège Atlantique de Massage Thérapeutique | — | 640143 | — | Dissolved | |
| Collège Medes College | — | 763687 | — | Active | |
| Collège Pro Accès | — | 752736 | — | Active | |
| Collège Saint-Joseph College | — | 660323 | — | Dissolved | |
| Collège St-Joseph / St. Joseph College | — | 660322 | — | Dissolved | |
| Collège Trans-Canada | — | 746693 | — | Active | |
| Collège Trans-Canada College Inc. | — | 507727 | — | Active | |
| Collège des conseillers/conseillères thérapeutes du Nouveau-Brunswick | — | 699602 | — | Active | |
| Colmer Finance International Ltd. | — | 646700 | — | Dissolved | |
| Colombienne de Balmoral Holding Inc. | — | 4013 | — | Active | |
| Colonial Elegance | — | 766532 | — | Active | |
| Colonial Holdings Ltd. | — | 674173 | — | Active | |
| Colonial Inn Saint John Inc. | — | 630633 | — | Dissolved | |
| Colonial Manufacturing Limited | — | 639602 | — | Active | |
| Color Me Crazy | — | 684329 | — | Active | |
| Color Me Strong Services Inc. | — | 663547 | — | Active | |
| Color Trends Painting | — | 630259 | — | Dissolved | |
| Color Trends Painting Inc. | — | 663865 | — | Dissolved | |
| Color Trends Professional Painters | — | 710275 | — | Active | |
| Color Your Canvas Travel | — | 761261 | — | Active | |
| Color Your World | — | 650922 | — | Active | |
| Color Your World | — | 624427 | — | Dissolved | |
| Color Your World | — | 619153 | — | Dissolved | |
| Colorfit Custom Embroidery | — | 690229 | — | Dissolved | |
| Colorich Painting | — | 625857 | — | Active | |
| Colosal | — | 617312 | — | Dissolved | |
| Colosseo NB Weightlifting/Media | — | 711682 | — | Dissolved | |
| Colosseo Weightlifting Performance Association Inc. | — | 715593 | — | Dissolved | |
| Colour Collections & Décor Inc. | — | 664008 | — | Active | |
| Colour Creations | — | 631360 | — | Dissolved | |
| Colour Creations | — | 605311 | — | Dissolved | |
| Colour Pro Print and Design | — | 656925 | — | Dissolved | |
| Colour Pro Print and Design | — | 701496 | — | Dissolved | |
| Coloured Glasses Counselling | — | 746509 | — | Active | |
| Colours 'n' More | — | 669639 | — | Active | |
| Colours And Concepts | — | 601583 | — | Dissolved | |
| Colpitts Denis Office Supplies and Furniture | — | 621091 | — | Dissolved | |
| Colpitts Management (2026) Ltd. | — | 773252 | — | Active | |
| Colpitts Office Products | — | 621089 | — | Dissolved | |
| Colpitts Property Group Ltd. | — | 771171 | — | Merged | |
| Colpitts Property Group Ltd. | — | 773908 | — | Active | |
| Colpitts Realty Ltd. | — | 620930 | — | Active | |
| Colpitts The IT Consultant Guy | — | 670961 | — | Dissolved | |
| Colpitts the Stationer | — | 621092 | — | Dissolved | |
| Colston Capital | — | 675062 | — | Dissolved | |
| Colston Property Group | — | 675061 | — | Dissolved | |
| Colston Property Group Ltd. | — | 34503 | — | Active | |
| Colt Structures Ltd. | — | 41061 | — | Active | |
| Colton Wilson Sea Vegetables | — | 724099 | — | Pending | |
| Colum Consultants Incorporated | — | 703664 | — | Withdrawn | |
| Columbus Avenue Pictures Inc. | — | 660675 | — | Dissolved | |
| Columbus Data Services - Canada, ULC | — | 680558 | — | Dissolved | |
| Columbus Investments Limited Partnership | — | 676457 | — | Dissolved | |
| Columbus McKinnon Limited | — | 680072 | — | Merged | |
| Columbus Tires Ltd. | — | 768591 | — | Active | |
| Colwan Sales Agency | — | 656058 | — | Dissolved | |
| Colwell Janitorial | — | 671232 | — | Dissolved | |
| Colwell Janitorial | — | 607234 | — | Dissolved | |
| Colwell Security Systems | — | 714691 | — | Dissolved | |
| Colwell's Family Farm | — | 658257 | — | Dissolved | |
| Colwell's Grocery | — | 658532 | — | Active | |
| Colwell's STEAM Academy | — | 722931 | — | Pending | |
| Com Tel Answering Service | — | 705219 | — | Active | |
| Com région d'Éduc adultes Mad/Vic Inc. | — | 628591 | — | Dissolved | |
| ComArch Canada, Corp | — | 657878 | — | Active | |
| ComPsych Canada Ltd. | — | 650755 | — | Active | |
| ComRent International, Inc. | — | 671920 | — | Dissolved | |
| ComRes Electric | — | 744837 | — | Active | |
| ComRes Electric Ltd. | — | 607669 | — | Dissolved | |
| ComVie inc. | — | 769271 | — | Active | |
| Comalta Corporation | — | 617302 | — | Dissolved | |
| Comark Holdings Inc. | — | 715633 | — | Merged | |
| Comark Holdings Inc. | — | 718475 | — | Dissolved | |
| Comark Inc. | — | 611641 | — | Dissolved | |
| Comark Inc. | — | 76323 | — | Merged | |
| Comark Inc. | — | 600093 | — | Merged | |
| Comark Services | — | 715634 | — | Dissolved | |
| Comark Services Inc. | — | 686079 | — | Merged | |
| Combat Evolution Championship Inc. | — | 607815 | — | Dissolved | |
| Combat Simulations | — | 625347 | — | Dissolved | |
| Combi Enterprises Inc | — | 628287 | — | Dissolved | |
| Combined Holdings & Investments Ltd. | — | 692868 | — | Active | |
| Combo's Manufacturing Inc. | — | 610566 | — | Dissolved | |
| Combustion Synergy Inc. | — | 654582 | — | Dissolved | |
| Comcare | — | 655893 | — | Dissolved | |
| Comcare Health Services | — | 655894 | — | Dissolved | |
| Comcast Business | — | 726484 | — | Pending | |
| Comcast Cable Communications Canada, Inc. | — | 617277 | — | Active | |
| Come Along Critters Incorporated | — | 677270 | — | Dissolved | |
| Come Clean Dry Cleaning Depot | — | 691910 | — | Dissolved | |
| Comeau Assurances | — | 351316 | — | Dissolved | |
| Comeau Capital Corporation | — | 655455 | — | Merged | |
| Comeau Clayworks | — | 612098 | — | Dissolved | |
| Comeau Electrical Services | — | 672262 | — | Active | |
| Comeau Immigration Consulting | — | 682017 | — | Dissolved | |
| Comeau Informatique | — | 677869 | — | Dissolved | |
| Comeau Informatique | — | 600811 | — | Dissolved | |
| Comeau Lane Road Association Inc. | — | 615129 | — | Active | |
| Comeau Maçonnerie (2014) Ltée | — | 675143 | — | Dissolved | |
| Comeau Optical Inc. | — | 698115 | — | Active | |
| Comeau Ouellette Picard and Robichaud P.C. Inc. | — | 678115 | — | Merged | |
| Comeau Quality Construction Inc. | — | 741234 | — | Active | |
| Comeau Towing & Security | — | 652415 | — | Dissolved | |
| Comeau Towing and Security | — | 723823 | — | Pending | |
| Comeau's Crackfilling and Painting | — | 615690 | — | Dissolved | |
| Comeau’s Canteen | — | 755937 | — | Active | |
| Comeback Consulting Inc. | — | 725382 | — | Active | |
| Comeback Fisheries Ltd. | — | 634508 | — | Active | |
| Comfort Baskets | — | 622645 | — | Dissolved | |
| Comfort Car Care Detailing | — | 726811 | — | Pending | |
| Comfort Catering | — | 776581 | — | Active | |
| Comfort Catering | — | 702797 | — | Dissolved | |
| Comfort Connexions | — | 353460 | — | Dissolved | |
| Comfort Connexions | — | 614634 | — | Dissolved | |
| Comfort Connexions | — | 610406 | — | Dissolved | |
| Comfort Counselling & Wellness | — | 742257 | — | Dissolved | |
| Comfort Counselling & Wellness Inc. | — | 744542 | — | Active | |
| Comfort Crafters Construction | — | 760688 | — | Active | |
| Comfort Creations by Julia | — | 755023 | — | Active | |
| Comfort Inn Campbellton | — | 701528 | — | Dissolved | |
| Comfort Inn Campbellton | — | 770672 | — | Active | |
| Comfort Inn Saint John | — | 701527 | — | Dissolved | |
| Comfort Mattress Inc. | — | 648396 | — | Dissolved | |
| Comfort Properties Ltd. | — | 625183 | — | Dissolved | |
| Comfort by Design Inc. | — | 714810 | — | Active | |
| Comfortable Creations | — | 606166 | — | Dissolved | |
| Comfortcove Dog Grooming | — | 668197 | — | Dissolved | |
| Comforting Steps Foot Care | — | 755036 | — | Active | |
| Comforts of Home - Special Care Home | — | 617024 | — | Dissolved | |
| Comfrey Bed & Breakfast Inc. | — | 698857 | — | Dissolved | |
| Comfy Air Refrigeration | — | 765023 | — | Active | |
| Comfy Town Furniture Inc. | — | 718133 | — | Dissolved | |
| Comic Alley | — | 717576 | — | Dissolved | |
| Comic Solutions Canada | — | 708516 | — | Dissolved | |
| Comida pour emporter NB Inc. | — | 720249 | — | Dissolved | |
| Coming Home Homestead Ltd. | — | 779108 | — | Active | |
| Comité Aide aux Malades (Baie Ste-Anne) Inc. | — | 633377 | — | Active | |