| Hannan's Construction Ltd. | — | 689970 | — | Active | |
| Hannan's Mobile Services | — | 646535 | — | Dissolved | |
| Hannan's Mobile Services Inc. | — | 667699 | — | Active | |
| Hannan's Pumping Service | — | 668217 | — | Active | |
| Hannay & Warren Investments Inc. | — | 507251 | — | Withdrawn | |
| Hannay Changing Tides | — | 719777 | — | Pending | |
| Hannay Group Private Wealth Management | — | 685578 | — | Dissolved | |
| Hannay's Paving and Landscaping Inc. | — | 645679 | — | Dissolved | |
| Hanover Associates | — | 621648 | — | Dissolved | |
| Hanover House Bed and Breakfast | — | 705693 | — | Dissolved | |
| Hans Collectibles | — | 718134 | — | Dissolved | |
| Hans Klohn Advising Ltd. | — | 657699 | — | Dissolved | |
| Hans-On Reflexology | — | 614071 | — | Dissolved | |
| Hanscomb Auto Sales Inc. | — | 630418 | — | Active | |
| Hanscome Brothers Ltd. | — | 510395 | — | Active | |
| Hanscome Cousins Pallet Suppliers | — | 696863 | — | Dissolved | |
| Hanscome Farms Ltd. | — | 693430 | — | Active | |
| Hanscome Farms Ltd. | — | 693429 | — | Merged | |
| Hanscome Farms Ltd. | — | 608959 | — | Dissolved | |
| Hanscome Holdings Ltd. | — | 694845 | — | Active | |
| Hanscome Outdoor Adventures Ltd. | — | 613524 | — | Active | |
| Hansen Automotive | — | 758780 | — | Active | |
| Hansen International Inc | — | 624510 | — | Dissolved | |
| Hansen Investments Inc. | — | 648388 | — | Active | |
| Hansen Signs | — | 654870 | — | Active | |
| Hansen Signs National Ltd. | — | 714831 | — | Pending | |
| Hansen's Meat Shop Inc. | — | 619387 | — | Active | |
| Hansen's Plumbing & Heating (2008) Ltd. | — | 503038 | — | Dissolved | |
| Hansler Industries | — | 743330 | — | Active | |
| Hanson Construction Group Ltd. | — | 745973 | — | Active | |
| Hanson Financial Management Group Ltd. | — | 513067 | — | Merged | |
| Hanson Financial Services | — | 677351 | — | Dissolved | |
| Hanson Groundworks | — | 746566 | — | Active | |
| Hanson Groundworks | — | 683161 | — | Dissolved | |
| Hanson Group of Companies | — | 757472 | — | Active | |
| Hanson Lawn Care | — | 765717 | — | Active | |
| Hanson Munchly Vending | — | 774594 | — | Active | |
| Hanson Ouellette Consulting | — | 706431 | — | Dissolved | |
| Hanson Road Flower Co Limited | — | 721643 | — | Active | |
| Hanson Road Flowers | — | 712226 | — | Dissolved | |
| Hanson Wealth Management | — | 659168 | — | Dissolved | |
| Hanson Wealth Management Ltd. | — | 648410 | — | Merged | |
| Hanson's AutoBody & Sandblasting | — | 347282 | — | Dissolved | |
| Hanson's Handyman Services | — | 605093 | — | Dissolved | |
| Hanson's Heavy Hauling | — | 688804 | — | Active | |
| Hanson's Interior Systems | — | 739167 | — | Active | |
| Hantek Consulting Ltd. | — | 759712 | — | Pending | |
| Hanton Trade Limited | — | 643423 | — | Dissolved | |
| Hanwell Auto Sales Ltd. | — | 769865 | — | Active | |
| Hanwell Bulk Supply | — | 743902 | — | Active | |
| Hanwell Community Church, Inc. | — | 609416 | — | Active | |
| Hanwell Community Development Association Inc. | — | 631321 | — | Dissolved | |
| Hanwell Firewood and Works | — | 662130 | — | Dissolved | |
| Hanwell Food Court Ltd. | — | 686150 | — | Active | |
| Hanwell Health & Wellness | — | 746635 | — | Active | |
| Hanwell Lumber Corporation | — | 722692 | — | Active | |
| Hanwell Mini Home Community | — | 638635 | — | Dissolved | |
| Hanwell Motorsports | — | 601997 | — | Dissolved | |
| Hanwell Observatory Inc. | — | 649424 | — | Active | |
| Hanwell Pharmacy Inc. | — | 659360 | — | Dissolved | |
| Hanwell Security Services | — | 648690 | — | Dissolved | |
| Hanwell Small Equipment Repair Ltd. | — | 513133 | — | Dissolved | |
| Hanwell Therapeutic Care Clinic | — | 351969 | — | Dissolved | |
| Hanwell Ventures | — | 762247 | — | Active | |
| Hanwell Village Mart | — | 658887 | — | Dissolved | |
| Hanwha Q CELLS Canada Corp. | — | 662048 | — | Dissolved | |
| Hanzheng International Co. Ltd. | — | 511692 | — | Dissolved | |
| Hanzhopf Holdings Inc. | — | 743328 | — | Active | |
| Haoyou Transport Inc. | — | 726065 | — | Active | |
| Hap-Bee Crafts by Cheryl | — | 699417 | — | Active | |
| Hap-Bee Honey | — | 692042 | — | Dissolved | |
| Hapbrook Trading Limited | — | 621535 | — | Dissolved | |
| Hapoxy Artwork | — | 768929 | — | Active | |
| Happee Bladder Coaching | — | 730382 | — | Active | |
| Happenings Pop-ups Inc. | — | 728834 | — | Dissolved | |
| Happier Nature Wellness Retreats | — | 707592 | — | Dissolved | |
| Happiest Minds Technologies Canada Ltd. | — | 770579 | — | Active | |
| Happiness Rocks Wellness Centre | — | 746511 | — | Active | |
| Happiness is Handbags and More | — | 641116 | — | Dissolved | |
| Happinez Wine Bar (2024) Inc. | — | 759022 | — | Active | |
| Happy Apples Cider | — | 770110 | — | Active | |
| Happy Bowl Catering services | — | 755389 | — | Active | |
| Happy Brawl Studio | — | 686296 | — | Dissolved | |
| Happy Capture- Canada | — | 754257 | — | Active | |
| Happy Chappy Energy Healing | — | 778004 | — | Active | |
| Happy Childhood Early Leaning and Family Consulting | — | 773321 | — | Active | |
| Happy Clam Restaurant Inc | — | 628483 | — | Dissolved | |
| Happy Cleaners Ltd. | — | 514777 | — | Dissolved | |
| Happy Clicks Photobooth Rentals | — | 759400 | — | Active | |
| Happy Cloud Cleaning Services | — | 728599 | — | Dissolved | |
| Happy Cloud Cleaning Services | — | 728898 | — | Active | |
| Happy Commons | — | 637656 | — | Dissolved | |
| Happy Craft Brewing Inc. / Brasserie Artisanale Happy Inc. | — | 703684 | — | Active | |
| Happy Days Daycare Incorporated | — | 762316 | — | Active | |
| Happy Days Heat Pumps | — | 686368 | — | Dissolved | |
| Happy Days Window Cleaning | — | 723329 | — | Pending | |
| Happy Digital | — | 347063 | — | Dissolved | |
| Happy Endings Construction | — | 689166 | — | Dissolved | |
| Happy Faces KidZone Ltd. | — | 660207 | — | Dissolved | |
| Happy Feet Daycare Inc. | — | 691008 | — | Pending | |
| Happy Finds Liquidation | — | 771471 | — | Active | |
| Happy Go Lucky Designs | — | 682915 | — | Dissolved | |
| Happy Hands Play Kits Inc. | — | 777680 | — | Active | |
| Happy Hatti Designs | — | 735273 | — | Dissolved | |
| Happy Hatti Designs Inc. | — | 765362 | — | Active | |
| Happy Healthy Harmony Fitness | — | 732715 | — | Active | |
| Happy Healthy Paws | — | 723386 | — | Pending | |
| Happy Hippy Cosmetics | — | 653859 | — | Dissolved | |
| Happy Hippy Cosmetics Ltd. | — | 686951 | — | Dissolved | |
| Happy Hives, La Gentille Abeille | — | 671564 | — | Dissolved | |
| Happy Holistic Gardener | — | 695407 | — | Dissolved | |
| Happy Home Appliance Installations | — | 734168 | — | Active | |
| Happy Home Enterprises Inc. | — | 681591 | — | Active | |
| Happy Home Insulators | — | 650361 | — | Dissolved | |
| Happy Hoofs Equine Assisted Learning Ltd. | — | 704678 | — | Active | |
| Happy Hopyard Inc. | — | 645195 | — | Pending | |
| Happy Horse Haven | — | 346468 | — | Dissolved | |
| Happy Hour Club | — | 706274 | — | Dissolved | |
| Happy Hour Inflate-A-Pub | — | 745632 | — | Active | |
| Happy Legs Manufacturing | — | 600660 | — | Dissolved | |
| Happy Life Coach - Lisa Harris | — | 734606 | — | Active | |
| Happy Life Marketing | — | 704508 | — | Active | |
| Happy Lobster Fisheries Inc. | — | 722445 | — | Pending | |
| Happy Medium Holistic Services | — | 671831 | — | Dissolved | |
| Happy Mobile Catering | — | 754782 | — | Active | |
| Happy Moments Parties Supplies | — | 715192 | — | Dissolved | |
| Happy Pill Project | — | 724579 | — | Pending | |
| Happy Rice STEM Service | — | 766119 | — | Active | |
| Happy Smiles Children's Photography | — | 692146 | — | Dissolved | |
| Happy Smiles Studio | — | 747529 | — | Active | |
| Happy Snack Enterprises | — | 347732 | — | Dissolved | |
| Happy Snacker Vending | — | 701489 | — | Dissolved | |
| Happy Sunday Sleepwear | — | 776571 | — | Active | |
| Happy Tails Grooming Salon | — | 711079 | — | Active | |
| Happy Time Daycare | — | 602765 | — | Dissolved | |
| Happy Trails Enterprise | — | 614886 | — | Dissolved | |
| Happy Transfer | — | 697038 | — | Dissolved | |
| Happy Treats Hampton Ltd. | — | 747653 | — | Active | |
| Happy Wash Pressure Washing Services | — | 745363 | — | Active | |
| Happy Wok Rice & Noodle House | — | 627443 | — | Dissolved | |
| Happy and Healthy Products for Mind, Body and Soul | — | 629718 | — | Dissolved | |
| Happy's Cold Treats | — | 702581 | — | Dissolved | |
| Happy-heart gift shop | — | 723103 | — | Active | |
| HappyDean Food Corp. | — | 734829 | — | Dissolved | |
| HappyFloors.ca | — | 673033 | — | Active | |
| Har Cam T & D Trucking (2013) Inc. | — | 669692 | — | Dissolved | |
| Har-Oorja Pellets Inc. | — | 723543 | — | Dissolved | |
| HarPro Property Maintenance | — | 630150 | — | Dissolved | |
| Haran Holdings Inc. | — | 761516 | — | Active | |
| Harbary Holdings Inc. | — | 664971 | — | Active | |
| Harbison-Walker Refractories Canada | — | 637055 | — | Dissolved | |
| Harbor Global Canada, Inc. | — | 710302 | — | Active | |
| HarborLink Procurement Solutions | — | 763949 | — | Active | |
| Harborcheck Maritime and Cargo Inspection Services | — | 759859 | — | Active | |
| Harbordrifter Enterprises | — | 618422 | — | Dissolved | |
| Harbour & Chrome Detailing | — | 768862 | — | Active | |
| Harbour 1 Stop | — | 737178 | — | Active | |
| Harbour Action Committee Inc. | — | 667093 | — | Dissolved | |
| Harbour Advisors | — | 663035 | — | Dissolved | |
| Harbour Bay Cleaning | — | 775701 | — | Active | |
| Harbour City Clean Air Ltd. | — | 631262 | — | Dissolved | |
| Harbour City Eye Inc. | — | 779258 | — | Active | |
| Harbour City Insurance | — | 617399 | — | Active | |
| Harbour City Insurance | — | 604856 | — | Dissolved | |
| Harbour City Insurance | — | 610728 | — | Dissolved | |
| Harbour City Liquidator | — | 347986 | — | Dissolved | |
| Harbour City Management & Consulting Ltd. | — | 646955 | — | Active | |
| Harbour City Paper | — | 743865 | — | Active | |
| Harbour City Property Management Ltd. | — | 736931 | — | Active | |
| Harbour Convenience | — | 628686 | — | Dissolved | |
| Harbour Crew Gifts and Treasures Inc. | — | 618124 | — | Dissolved | |
| Harbour Development | — | 673829 | — | Active | |
| Harbour Development Inc. Développement du Port Inc. | — | 626388 | — | Active | |
| Harbour Dimsum Inc. | — | 764837 | — | Active | |
| Harbour Diner | — | 641190 | — | Dissolved | |
| Harbour Front Restaurant (2023) Inc. | — | 750435 | — | Active | |
| Harbour Global Asset Management | — | 668848 | — | Dissolved | |
| Harbour Grace Photography | — | 639545 | — | Dissolved | |
| Harbour Health Partners Inc. | — | 671307 | — | Active | |
| Harbour Music Publishing | — | 774100 | — | Active | |
| Harbour Passage Du Port | — | 601929 | — | Dissolved | |
| Harbour Petroleum | — | 652833 | — | Dissolved | |
| Harbour Quay - Donuts & Tea | — | 743541 | — | Active | |
| Harbour Road Pub | — | 742057 | — | Active | |
| Harbour Road Pub | — | 632799 | — | Dissolved | |
| Harbour Town Builders Inc. | — | 725333 | — | Active | |
| Harbour Town Holdings Inc. | — | 752107 | — | Active | |
| Harbour View Convenience Ltd. | — | 693674 | — | Dissolved | |
| Harbour View Financial Services Ltd. | — | 751759 | — | Active | |
| Harbour View Holding Ltd. | — | 752431 | — | Active | |
| Harbour View LP | — | 737296 | — | Active | |
| Harbour View Plumbing | — | 697185 | — | Dissolved | |
| Harbour Wave Communications | — | 766277 | — | Active | |
| Harbour-Keystone Coastal Construction Limited | — | 709959 | — | Dissolved | |
| HarbourEdge Asset Management Corporation | — | 668013 | — | Active | |
| HarbourEdge Capital Corporation | — | 655715 | — | Active | |
| HarbourEdge Mortgage Investment Corporation | — | 655714 | — | Active | |
| HarbourSide Properties and Services Inc. | — | 736894 | — | Active | |
| HarbourStone GP Inc. | — | 761931 | — | Active | |
| HarbourStone Limited Partnership | — | 762009 | — | Active | |