| First Data Global Leasing | — | 621590 | — | Dissolved | |
| First Data International - Canada | — | 632080 | — | Dissolved | |
| First Due Fire | — | 719611 | — | Pending | |
| First Durham Insurance & Financial Ltd. | — | 674318 | — | Dissolved | |
| First Eagle Integrated Communications | — | 637391 | — | Dissolved | |
| First Energy First Nation Inc. | — | 673984 | — | Dissolved | |
| First EquipRent Inc. | — | 506231 | — | Active | |
| First Fathom | — | 759216 | — | Active | |
| First Fret Musical Instrument Repair | — | 684762 | — | Dissolved | |
| First General Moncton | — | 716927 | — | Dissolved | |
| First General Services Fredericton | — | 678837 | — | Active | |
| First General Services Northwestern NB | — | 704750 | — | Dissolved | |
| First Guild Technologies | — | 780051 | — | Active | |
| First Impression Life Consultants | — | 621676 | — | Dissolved | |
| First Impressions Graphics & Output Ltd. | — | 614251 | — | Dissolved | |
| First Impressions Kiosk | — | 601193 | — | Dissolved | |
| First Impressions Painting | — | 657818 | — | Dissolved | |
| First In Beauty Ltd. | — | 651872 | — | Dissolved | |
| First In Training | — | 669994 | — | Active | |
| First Legal Protection | — | 657954 | — | Dissolved | |
| First Light Distillery Inc. | — | 727023 | — | Active | |
| First Light Wellness and Healing | — | 739941 | — | Active | |
| First Line Pump Rentals Inc. | — | 636696 | — | Dissolved | |
| First Line Refrigeration & HVAC | — | 725864 | — | Dissolved | |
| First Line Refrigeration & HVAC Inc. | — | 727984 | — | Active | |
| First Mapleton Group Inc. | — | 665943 | — | Dissolved | |
| First Maritime Mining | — | 346110 | — | Active | |
| First Mobile Education | — | 670967 | — | Dissolved | |
| First Moncton United Baptist Church Inc. | — | 675883 | — | Active | |
| First NB Financial Inc. | — | 700076 | — | Dissolved | |
| First Narrows Resources Corp. | — | 604433 | — | Dissolved | |
| First Nation Computers | — | 346470 | — | Dissolved | |
| First Nation Education Initiatives Inc. | — | 618995 | — | Active | |
| First Nation First Excavation Ltd. | — | 707412 | — | Active | |
| First Nation Marine Contracting | — | 605843 | — | Dissolved | |
| First Nation Missionary Outreach Inc. | — | 631812 | — | Dissolved | |
| First Nation School Supplies Inc. | — | 722856 | — | Active | |
| First Nation Strategic Partnerships and Investments Corp. | — | 703373 | — | Dissolved | |
| First Nation Work Construction Ltd. | — | 644339 | — | Dissolved | |
| First National AlarmCap LP/ Première Société en Commandite Nationale AlarmCap | — | 627326 | — | Active | |
| First National Financial Corporation | — | 655249 | — | Merged | |
| First National Financial GP Corporation | — | 625985 | — | Active | |
| First Nations Artists Group Inc. | — | 636305 | — | Dissolved | |
| First Nations Christian Outreach Inc. | — | 706855 | — | Dissolved | |
| First Nations Management Services Inc. | — | 634866 | — | Dissolved | |
| First Nations Marine Supplies | — | 752677 | — | Active | |
| First Nations Storytellers Incorporated | — | 728338 | — | Active | |
| First North River Baptist Church Inc. | — | 620942 | — | Active | |
| First Organic Bakery | — | 615591 | — | Dissolved | |
| First Pinnacle Alarm (Canada) Inc. | — | 645244 | — | Dissolved | |
| First Pitch Corporation | — | 678355 | — | Dissolved | |
| First Rate Commercial Kitchens | — | 737092 | — | Dissolved | |
| First Rate Commercial Kitchens | — | 764295 | — | Active | |
| First Rate Commercial Kitchens | — | 755173 | — | Dissolved | |
| First Rate Driver | — | 772534 | — | Active | |
| First Rate Driver | — | 707537 | — | Active | |
| First Rate Driver | — | 654320 | — | Dissolved | |
| First Rate Realty Ltd. | — | 632602 | — | Active | |
| First Rate Renovations Inc. | — | 685471 | — | Active | |
| First Rate Residential Construction | — | 618111 | — | Dissolved | |
| First Responder Fit Testing | — | 755665 | — | Active | |
| First Response Systems - Lead Recovery | — | 773164 | — | Active | |
| First Response Towing and Recovery 2014 Inc. | — | 679576 | — | Pending | |
| First Response Training | — | 620726 | — | Dissolved | |
| First Revival Pentecostal Church of Queensbury | — | 652869 | — | Dissolved | |
| First Round Movers | — | 730430 | — | Active | |
| First Stage Heating & Cooling | — | 676413 | — | Dissolved | |
| First Step to Clarity Consulting & Digital Solutions Inc. | — | 772400 | — | Active | |
| First Steps | — | 673758 | — | Active | |
| First Steps Childcare Centre | — | 672636 | — | Dissolved | |
| First Steps Dance Studio | — | 664286 | — | Dissolved | |
| First Steps Housing Project Inc. | — | 25803 | — | Active | |
| First Steps Wee College Inc. | — | 625960 | — | Dissolved | |
| First Stop Auto | — | 629052 | — | Dissolved | |
| First Student Canada | — | 636059 | — | Active | |
| First Student Canada | — | 636056 | — | Dissolved | |
| First Student Transportation | — | 636061 | — | Active | |
| First Student Transportation | — | 636057 | — | Dissolved | |
| First Summit Place | — | 348327 | — | Dissolved | |
| First Time Driver Education | — | 353100 | — | Dissolved | |
| First Time Driver Education | — | 653669 | — | Dissolved | |
| First Time Driver Education | — | 651796 | — | Dissolved | |
| First Time Swimmers | — | 614091 | — | Dissolved | |
| First Town Dental - Dr. Alex Wishart DDS & Dr. Kent Orlando DDS Inc. | — | 508560 | — | Active | |
| First Town Laundry Lounge Inc. | — | 768336 | — | Active | |
| First Town Pest Control | — | 735863 | — | Dissolved | |
| First Town Pest Control | — | 760987 | — | Dissolved | |
| First Town Pest Control Inc. | — | 769380 | — | Active | |
| First Town Plumbing and Heating Ltd. | — | 689546 | — | Active | |
| First Town Rentals Inc. | — | 686285 | — | Active | |
| First Tracks Incorporated | — | 35540 | — | Merged | |
| First Transit Canada | — | 636058 | — | Dissolved | |
| First Transit Canada | — | 636060 | — | Active | |
| First United Design & Construction Inc. | — | 741287 | — | Active | |
| First United Pentecostal Church (Saint John) Inc. | — | 25414 | — | Active | |
| First United Pentecostal Church of Noonan Inc. | — | 669678 | — | Active | |
| First Voices Forward Community Services Ltd. | — | 769954 | — | Active | |
| First Wave Investors | — | 658928 | — | Dissolved | |
| First to clean | — | 691231 | — | Dissolved | |
| First-Hand Therapy | — | 608873 | — | Dissolved | |
| First-In Fire Consulting Services | — | 776781 | — | Active | |
| First-In Training & Supplies | — | 627881 | — | Dissolved | |
| First-Line Service Documents | — | 759640 | — | Active | |
| FirstCanada Vehicle Sales | — | 646752 | — | Active | |
| FirstCash ATM | — | 348188 | — | Dissolved | |
| FirstCity Financial | — | 683728 | — | Dissolved | |
| FirstLine Properties Inc. | — | 716624 | — | Active | |
| FirstOnSite Restoration | — | 639618 | — | Dissolved | |
| FirstOnSite Restoration | — | 690619 | — | Pending | |
| FirstOnSite Restoration L.P. | — | 639615 | — | Dissolved | |
| FirstPoint Services | — | 725501 | — | Pending | |
| Firstbrook Cassie & Anderson Limited | — | 77904 | — | Active | |
| Firstline Credit Management Inc. | — | 672663 | — | Dissolved | |
| Firth's Car Rental | — | 773665 | — | Active | |
| Fiscale Plus | — | 617285 | — | Dissolved | |
| Fiserv | — | 679703 | — | Dissolved | |
| Fiserv Solutions | — | 679704 | — | Dissolved | |
| Fish East Productions | — | 715196 | — | Dissolved | |
| Fish Island Salmon Ltd. | — | 620494 | — | Dissolved | |
| Fish and Brews Pub | — | 654300 | — | Active | |
| FishKids NB Association | — | 725777 | — | Pending | |
| Fishburn Sheridan Atlantic Inc. | — | 710170 | — | Active | |
| Fisher & Paykel Healthcare Limited | — | 658000 | — | Active | |
| Fisher Asset Management, LLC | — | 669360 | — | Active | |
| Fisher Canada Limited Partnership | — | 400601 | — | Dissolved | |
| Fisher Financial Services Inc. | — | 736523 | — | Active | |
| Fisher Hill Baptist Church/Cemetery Heritage Society Ltd. | — | 663713 | — | Active | |
| Fisher Holdings Inc. | — | 750612 | — | Active | |
| Fisher Investments | — | 671460 | — | Active | |
| Fisher Investments Canada | — | 688634 | — | Active | |
| Fisher Meade Holdings Ltd. | — | 657271 | — | Active | |
| Fisherman's Pack | — | 692744 | — | Dissolved | |
| Fisherman's Paradise Restaurant of Moncton Ltd. Le Paradis du Pecheur de Moncton Ltee | — | 643247 | — | Dissolved | |
| Fishers Convenience | — | 657188 | — | Active | |
| Fishers of Men Outreach Ministries Inc. | — | 25591 | — | Dissolved | |
| Fishes and Loaves Fisheries Inc. | — | 770813 | — | Active | |
| Fishin' with Furze | — | 715512 | — | Dissolved | |
| Fishing Holdings, LLC | — | 650559 | — | Dissolved | |
| Fishingonfilm.com Ltd. | — | 637129 | — | Dissolved | |
| Fishtail Brade's Salon | — | 680218 | — | Dissolved | |
| Fishtrade International Limited Partnership | — | 679227 | — | Active | |
| Fishy's | — | 604213 | — | Dissolved | |
| Fiskars Living Canada, Inc. | — | 642839 | — | Active | |
| Fisker | — | 750316 | — | Active | |
| Fisolo Inc. | — | 643970 | — | Dissolved | |
| Fist Pump Sports | — | 685263 | — | Dissolved | |
| Fit 2 Frame Productions | — | 752653 | — | Active | |
| Fit 4 U Fitness Center | — | 664672 | — | Dissolved | |
| Fit Camp Ninety Inc. | — | 685733 | — | Pending | |
| Fit Chicks | — | 646709 | — | Dissolved | |
| Fit Core Cardiac Care | — | 618568 | — | Dissolved | |
| Fit Expression Personal Training | — | 685513 | — | Dissolved | |
| Fit For Her | — | 624200 | — | Dissolved | |
| Fit For Her Moncton | — | 647105 | — | Dissolved | |
| Fit Garage Assault | — | 733565 | — | Active | |
| Fit Rocks Climbing Gym Inc. | — | 692906 | — | Merged | |
| Fit Rocks Climbing Gym Inc. | — | 778697 | — | Active | |
| Fit Rocks Saint John Inc. | — | 699303 | — | Active | |
| Fit and Fix Tailoring | — | 626477 | — | Active | |
| Fit for Her - Riverview | — | 627759 | — | Dissolved | |
| Fit for Her Moncton | — | 628381 | — | Dissolved | |
| Fit for Her, Dieppe | — | 631886 | — | Dissolved | |
| Fit to Go Inc | — | 629012 | — | Dissolved | |
| Fit to Ride Saddles | — | 717803 | — | Dissolved | |
| Fit-Tec Software | — | 349560 | — | Dissolved | |
| Fit-in-10 | — | 646607 | — | Dissolved | |
| Fit4Kids Inc. | — | 611947 | — | Dissolved | |
| FitBean Nutrition | — | 692665 | — | Dissolved | |
| FitBooks Accounting | — | 766680 | — | Active | |
| FitCliq Fitness | — | 746523 | — | Active | |
| FitForm Studio Tailoring & Alterations | — | 776155 | — | Active | |
| FitKids Fitness Programs | — | 678326 | — | Dissolved | |
| FitKids Fitness Programs | — | 708467 | — | Active | |
| FitResponse | — | 615058 | — | Dissolved | |
| FitStop Grand-Sault | — | 718653 | — | Dissolved | |
| FitWell Therapeutics | — | 722871 | — | Pending | |
| Fitch Bernard Strategic Inc. | — | 705840 | — | Active | |
| Fitlav Health and Wellness | — | 739516 | — | Active | |
| Fitlav Health and Wellness Inc. | — | 739979 | — | Active | |
| Fitmore Fitness App Incorporated | — | 720716 | — | Pending | |
| Fitness & Strength Activewear | — | 345724 | — | Dissolved | |
| Fitness Bank Gym | — | 732219 | — | Active | |
| Fitness Bouj'HOT & Mise en Forme | — | 669785 | — | Dissolved | |
| Fitness Chaleur | — | 717387 | — | Active | |
| Fitness Equipment Plus | — | 623258 | — | Dissolved | |
| Fitness Excellence Athletic Training (FEAT) | — | 646494 | — | Dissolved | |
| Fitness Focus | — | 674919 | — | Active | |
| Fitness Mechanix Ltd. | — | 659729 | — | Dissolved | |
| Fitness New Brunswick Inc./Conditionnement Physique Nouveau Brunswick Inc. | — | 23337 | — | Active | |
| Fitness Therapy Clinic | — | 344736 | — | Dissolved | |
| Fitness Works & Tanning Salon | — | 345136 | — | Dissolved | |
| FitnessForlife.ca | — | 659409 | — | Dissolved | |
| Fiton Environment Recovery Inc. | — | 619094 | — | Dissolved | |
| Fits In A Box Internet Solutions | — | 627351 | — | Dissolved | |
| Fitted Carpentry Ltd. | — | 747528 | — | Dissolved | |
| Fitzpatrick Crystals | — | 684876 | — | Dissolved | |
| Fitzpatrick Forestry | — | 736135 | — | Active | |
| Fitzpatrick's Funeral Home | — | 662769 | — | Active | |
| Fitzsimmons Auto Body Hebert Ltd. | — | 635866 | — | Dissolved | |
| Fitzsimmons Painting | — | 606751 | — | Dissolved | |