| Ciné-Baie production de films | — | 718064 | — | Active | |
| Ciné-Parc Bellevue (2003) Inc. | — | 606429 | — | Dissolved | |
| Ciné-Studio East/Est | — | 349954 | — | Dissolved | |
| CinéMoncton Inc. | — | 686058 | — | Dissolved | |
| CinéRelève Ltée | — | 695480 | — | Active | |
| Cinéma du Centre Culturel de Caraquet | — | 659829 | — | Active | |
| Ciolette's Rent and Repair Services Inc. | — | 722513 | — | Active | |
| CipherCrest Innovations Inc. | — | 755626 | — | Pending | |
| Circana Canada, Ltd. | — | 754725 | — | Active | |
| Circana Canada, Ltd. | — | 672195 | — | Merged | |
| Circl-C Transport Ltd. | — | 762636 | — | Active | |
| Circle H. Endeavours Ltd. | — | 683715 | — | Active | |
| Circolo art & culture | — | 712301 | — | Dissolved | |
| Circuit Motocross Saint-Quentin Inc. | — | 676338 | — | Dissolved | |
| Circular Materials | — | 730654 | — | Active | |
| Circular Materials Atlantic | — | 730707 | — | Active | |
| Circulate Nursing Services Inc. | — | 727312 | — | Active | |
| Circus Stella Inc. | — | 656366 | — | Dissolved | |
| Cirrus Garment Ltd. | — | 690153 | — | Active | |
| Cirrus9 Inc. | — | 651183 | — | Merged | |
| Cirrus9 Inc. | — | 714184 | — | Withdrawn | |
| Cisch Info Solutions Canada Inc. | — | 687897 | — | Dissolved | |
| Ciseau Voyageur | — | 352436 | — | Dissolved | |
| Ciseaux Magiques | — | 627317 | — | Dissolved | |
| Cision Canada Inc. | — | 78081 | — | Merged | |
| Citadel Animal Health | — | 352252 | — | Active | |
| Citadel Construction and Landscape Ltd. | — | 733402 | — | Dissolved | |
| Citadel Financial Wealth Group Inc. | — | 725085 | — | Active | |
| Citadel Gallery Auction | — | 719502 | — | Active | |
| Citadel Mortgage Services Inc. | — | 725089 | — | Active | |
| Citadel Mortgages | — | 725124 | — | Active | |
| Citadel Optométrie - Optometry | — | 768495 | — | Active | |
| Citadel Welding | — | 739578 | — | Active | |
| Citi Assurance Services/Services d'assurance Citi | — | 628748 | — | Dissolved | |
| Citi Assurance Services/Services d'assurances Citi | — | 628747 | — | Dissolved | |
| Citi Infrastructure Investors Limited | — | 635138 | — | Dissolved | |
| Citi Transaction Services Canada Ltd. | — | 649303 | — | Dissolved | |
| Citi Transaction Services Canada Ltd. | — | 648786 | — | Merged | |
| Citi Trust Company Canada La Compagnie de Fiducie Citi Canada | — | 654248 | — | Dissolved | |
| CitiCapital Commercial Leasing ULC/ Credit-Bail Commercial CitiCapital ULC | — | 74781 | — | Merged | |
| CitiCapital Technology Finance ULC/ CitiCapital Financement de Technologie ULC | — | 75869 | — | Merged | |
| CitiCapital ULC | — | 75564 | — | Dissolved | |
| CitiFinancial Canada, Inc. CitiFinancière Canada, Inc. | — | 77153 | — | Merged | |
| Citicorp Vendor Finance ULC | — | 75594 | — | Merged | |
| Citicorp Vendor Finance ULC | — | 649302 | — | Merged | |
| CitinCom International Inc. | — | 664472 | — | Dissolved | |
| Citizens Alert | — | 349901 | — | Dissolved | |
| Citizens Code Ltd. | — | 679344 | — | Dissolved | |
| Citizens For Fort La Tour | — | 345744 | — | Dissolved | |
| Citizens For Fort La Tour | — | 658458 | — | Pending | |
| Citizens Home Care | — | 767391 | — | Active | |
| Citizens for the Revitalization of the South Central Peninsula Limited | — | 627482 | — | Dissolved | |
| Citizens of the Truth about Parlee Beach / Citoyens pour la Vérité au sujet de la plage Parlee | — | 703857 | — | Dissolved | |
| Citizens' Alliance of New Brunswick Ltd. | — | 726095 | — | Dissolved | |
| City & District Print, Publishing and Media Communications | — | 346009 | — | Dissolved | |
| City & District Web Development | — | 623982 | — | Dissolved | |
| City Auto & Recreation | — | 612773 | — | Dissolved | |
| City Auto & Recreation Inc. | — | 775444 | — | Active | |
| City Auto Fredericton Ltd. | — | 657783 | — | Dissolved | |
| City Bakery (Calgary) Ltd. | — | 604350 | — | Withdrawn | |
| City Buick Chevrolet Cadillac GMC Ltd. | — | 632861 | — | Dissolved | |
| City Buick Pontiac Cadillac Ltd. | — | 611368 | — | Merged | |
| City Center Dental Clinic / Clinique Dentaire du Centre Ville | — | 727907 | — | Active | |
| City Center Service Station (2016) Ltd. | — | 692812 | — | Merged | |
| City Center Service Station (2023) Ltd. | — | 751053 | — | Active | |
| City Center Service Station (2023) Ltd. | — | 746682 | — | Merged | |
| City Cottage Creations | — | 644085 | — | Dissolved | |
| City Crops Inc. | — | 723585 | — | Dissolved | |
| City Crossdocking | — | 350592 | — | Dissolved | |
| City Crossdocking Ltd. | — | 601953 | — | Dissolved | |
| City Freight Lumpers Ltd. | — | 616947 | — | Dissolved | |
| City Fuels Ltd. | — | 514514 | — | Dissolved | |
| City Glass & Lock | — | 352972 | — | Dissolved | |
| City Hotels Limited | — | 76622 | — | Dissolved | |
| City Hotels NB Ltd. | — | 627530 | — | Withdrawn | |
| City Institute of Higher Learning (C-IHL) | — | 752960 | — | Dissolved | |
| City Institute of Higher Learning (C-IHL) | — | 759651 | — | Active | |
| City Laundry Limited | — | 615893 | — | Dissolved | |
| City Light Property Management Ltd. | — | 671532 | — | Merged | |
| City Limits Convenience | — | 643848 | — | Dissolved | |
| City Limits Convenience | — | 747270 | — | Active | |
| City Limits Sports Bar and Grill 2005 | — | 619843 | — | Dissolved | |
| City Limits Storage Ltd. | — | 756073 | — | Active | |
| City Line Holdings Ltd. | — | 747568 | — | Active | |
| City Motel | — | 708613 | — | Dissolved | |
| City Reno Property Management Inc. | — | 733683 | — | Active | |
| City Road Dollar Daze Ltd. | — | 614718 | — | Dissolved | |
| City Road Family Restaurant | — | 347375 | — | Dissolved | |
| City Seven Sales | — | 617939 | — | Dissolved | |
| City Square "Total Care" | — | 346915 | — | Dissolved | |
| City Thermo Pane | — | 669354 | — | Dissolved | |
| City Thermo Pane Ltd. | — | 642058 | — | Merged | |
| City Tire | — | 746136 | — | Active | |
| City View Bed & Breakfast | — | 604746 | — | Dissolved | |
| City View Investments Inc. | — | 778799 | — | Active | |
| City Wide Computers | — | 628680 | — | Dissolved | |
| City Wide Plumbing & Heating (2013) Ltd. | — | 672692 | — | Active | |
| City Wide Reno's & Construction | — | 681110 | — | Dissolved | |
| City Wide Renovators | — | 619409 | — | Dissolved | |
| City Wide Surplus | — | 742358 | — | Active | |
| City and Sea Real Estate Holdings Inc. | — | 680923 | — | Active | |
| CityNCom.com | — | 645745 | — | Dissolved | |
| Cityscape Ventures Inc. | — | 724473 | — | Active | |
| Citywide Properties | — | 713729 | — | Dissolved | |
| Civic Fidelity Inc. / Fidelité Civique Inc. | — | 628588 | — | Dissolved | |
| Civic Initiatives, LLC | — | 720207 | — | Dissolved | |
| Civic Mechanical Contractors Inc. | — | 613322 | — | Dissolved | |
| Civicorp Management Ltd. | — | 645727 | — | Dissolved | |
| Civiculture St-Laurent | — | 348078 | — | Dissolved | |
| Civil Projects Management | — | 348336 | — | Dissolved | |
| Civil Projects Management Ltd. | — | 651932 | — | Active | |
| Civil Spec. Management | — | 620433 | — | Dissolved | |
| Civilized Worldwide Inc. | — | 681785 | — | Dissolved | |
| Clackitty Box Repair | — | 769129 | — | Active | |
| Clackitty Box Repair | — | 659950 | — | Dissolved | |
| Clad-Tech (2025) Inc. | — | 762896 | — | Active | |
| Claddagh Financial Services Ltd. | — | 508058 | — | Dissolved | |
| Cladic Services | — | 600893 | — | Dissolved | |
| Cladwell construction | — | 754541 | — | Dissolved | |
| Claim Restore | — | 716490 | — | Active | |
| ClaimSecure Inc. | — | 734836 | — | Dissolved | |
| ClaimsPro | — | 680496 | — | Active | |
| ClaimsPro Inc. | — | 617674 | — | Merged | |
| ClaimsPro LP | — | 650535 | — | Active | |
| Clair de Lune Ambiance | — | 700985 | — | Dissolved | |
| Clair de Lune Ambiance | — | 668846 | — | Dissolved | |
| ClairCon Holding Co. Ltd. | — | 630951 | — | Active | |
| Claire Driscoll & Associates Inc. | — | 614816 | — | Dissolved | |
| Claire Driscoll Patient Recruitment Inc. | — | 646695 | — | Merged | |
| Claire Langan Travel Inspired | — | 739327 | — | Active | |
| Claire Titus Services | — | 603365 | — | Dissolved | |
| Claire and the World Consulting | — | 699989 | — | Dissolved | |
| Claire and the World Immigration Consulting | — | 701354 | — | Dissolved | |
| Claire and the World Immigration Consulting Inc. | — | 721985 | — | Active | |
| Claire's | — | 778236 | — | Active | |
| Claireview Leasing G.P. | — | 658551 | — | Active | |
| ClairiTech Innovations Inc. | — | 674706 | — | Active | |
| Clairvest Equity Partners III Limited Partnership | — | 624985 | — | Dissolved | |
| Clairvest Equity Partners IV Limited Partnership | — | 646273 | — | Active | |
| Clairvest Equity Partners V Limited Partnership | — | 677660 | — | Active | |
| Clairvest GP III Inc. | — | 624901 | — | Merged | |
| Clairvest General Partner III L.P. | — | 624986 | — | Dissolved | |
| Clairvest General Partner IV L.P. | — | 646274 | — | Active | |
| Clairvest General Partner V L.P. | — | 677659 | — | Active | |
| Clairville Auto Repair Shop | — | 621390 | — | Dissolved | |
| Clam Digger Take Out | — | 349574 | — | Dissolved | |
| Clamatco Home Enterprises Ltd. | — | 677300 | — | Dissolved | |
| Clambridge Enterprise | — | 727088 | — | Dissolved | |
| Clan MacKinnon of New Brunswick | — | 612832 | — | Dissolved | |
| Cland Investment Group Ltd. | — | 644688 | — | Dissolved | |
| Clannon Enterprises | — | 621385 | — | Dissolved | |
| Clarabelle I Solar GP, Inc. | — | 682868 | — | Active | |
| Clarabelle II Solar GP, Inc. | — | 682866 | — | Active | |
| Clarabelle III Solar GP, Inc. | — | 682865 | — | Dissolved | |
| Clarcy Drugs Inc. | — | 646636 | — | Dissolved | |
| Clarea Skincare | — | 771081 | — | Active | |
| Claremont Communications | — | 350863 | — | Dissolved | |
| Claremont Communications Inc. | — | 513644 | — | Dissolved | |
| Clarence Lavoie & Fils Construction Inc. | — | 510840 | — | Active | |
| Clarence LeBlanc & Son Auto Body Ltd. | — | 633244 | — | Active | |
| Clarence Ridge Enterprises | — | 637823 | — | Dissolved | |
| Clarence Robinson CPA PC Inc. | — | 686719 | — | Merged | |
| Clarence Robinson CPA PC Inc. | — | 751884 | — | Active | |
| Clarendas Empowerment Coaching | — | 725707 | — | Active | |
| Claridge Trucking Ltd. | — | 752153 | — | Pending | |
| Clarion Pointe Campbellton Hotel | — | 773448 | — | Active | |
| Clarisonic Canada | — | 665375 | — | Active | |
| Claritas Financial Services Inc. | — | 716671 | — | Active | |
| Clarity Connect | — | 742469 | — | Dissolved | |
| Clarity Counselling For You | — | 665573 | — | Dissolved | |
| Clarity Creations | — | 350374 | — | Dissolved | |
| Clarity Group of Companies Inc. Groupe d'enterprises Clarity Inc. | — | 775223 | — | Active | |
| Clarity Marketing Inc. | — | 633742 | — | Active | |
| Clarity Move Inc. | — | 771823 | — | Active | |
| Clarity Psychological Services | — | 709613 | — | Active | |
| Clarity Studio | — | 739095 | — | Active | |
| Clarity Wellness Solutions | — | 764296 | — | Active | |
| Clark Brewer Overhead Doors Inc. | — | 768740 | — | Active | |
| Clark Fabricators Ltd. | — | 637811 | — | Dissolved | |
| Clark Horsemanship | — | 720322 | — | Active | |
| Clark Insurance | — | 681249 | — | Active | |
| Clark Investments Ltd. | — | 58341 | — | Merged | |
| Clark Maintenance Services Ltd. | — | 641187 | — | Active | |
| Clark Media & Design | — | 666149 | — | Dissolved | |
| Clark Oil Co. (2010) Ltd. | — | 654330 | — | Active | |
| Clark Ouellette Enterprises (2010) Ltd. | — | 654290 | — | Dissolved | |
| Clark Properties | — | 675862 | — | Dissolved | |
| Clark's Car Wash | — | 346482 | — | Dissolved | |
| Clark's Chick Hatchery | — | 671968 | — | Active | |
| Clark's Landscaping | — | 650706 | — | Active | |
| Clark's Pioneering Company Ltd. | — | 765233 | — | Active | |
| Clark's Specialized Photography | — | 604173 | — | Dissolved | |
| Clark's Springfield Convenience | — | 349839 | — | Dissolved | |
| Clark's Stone | — | 696986 | — | Dissolved | |
| Clark's Wild Blue Farms | — | 692588 | — | Active | |
| Clark's small engine repair | — | 771282 | — | Active | |
| Clarke Design Group Inc. | — | 514485 | — | Dissolved | |
| Clarke Holdings Ltd. | — | 706531 | — | Merged | |
| Clarke K9 Services | — | 760135 | — | Active | |
| Clarke Marine Environmental Inc. | — | 654605 | — | Dissolved | |