| IQON Insurance Brokerage Inc. | — | 602883 | — | Merged | |
| IQUEST WORLDWIDE INC. | — | 642329 | — | Dissolved | |
| IR CANADA SALES & SERVICE ULC | — | 762018 | — | Active | |
| IR CLIMATE SOLUTIONS CANADA INC. | — | 659969 | — | Merged | |
| IR Canada Sales & Service ULC | — | 672624 | — | Dissolved | |
| IRA B THAYER AND COMPANY LIMITED | — | 76275 | — | Dissolved | |
| IRA CORNWALL COMPANY,(LIMITED) | — | 93586 | — | Dissolved | |
| IRA MATCHETT & SON, LTD. | — | 94498 | — | Dissolved | |
| IRAC Immigrants Rights Advisory Canada | — | 774340 | — | Active | |
| IRC Building Sciences Group | — | 723193 | — | Active | |
| IRC Equipment Inc. | — | 647985 | — | Merged | |
| IRCA Cybernetics Inc. | — | 734520 | — | Dissolved | |
| IRCWIN BLINDS LTD. | — | 745517 | — | Active | |
| IRDC Innovative Resource Development Consultants | — | 654776 | — | Dissolved | |
| IRECO CANADA II INC. | — | 74407 | — | Merged | |
| IREKS NORTH AMERICA Ltd. | — | 691716 | — | Active | |
| IREL Transport Ltd. | — | 743303 | — | Active | |
| IRELAND HOLDINGS INC. | — | 612353 | — | Active | |
| IRELIA HOLDINGS INC. | — | 653031 | — | Dissolved | |
| IRELIA NB INC. | — | 662563 | — | Dissolved | |
| IRENA KAMINSKA M.D. PROFESSIONAL CORPORATION | — | 55805 | — | Dissolved | |
| IRENE BOURGEOIS' SALES | — | 301042 | — | Dissolved | |
| IRENE GIONET INVESTMENTS LTD. | — | 58876 | — | Dissolved | |
| IRENE HILL | — | 317613 | — | Dissolved | |
| IRENE HILL LIMITED/IRENE HILL LIMITEE | — | 70870 | — | Merged | |
| IRENE RESTAURANT & LEOPOLD GAS BAR | — | 301323 | — | Dissolved | |
| IRENE'S PLASTER CRAFT | — | 309130 | — | Dissolved | |
| IRENEE DOIRON ET FILS LTEE. | — | 5094 | — | Merged | |
| IRESS (Ontario) Limited | — | 624706 | — | Active | |
| IRESS Canada Holdings Limited | — | 611557 | — | Active | |
| IRESS MARKET TECHNOLOGY CANADA LP | — | 629500 | — | Active | |
| IRF Accounting | — | 774586 | — | Active | |
| IRF Trading Inc. | — | 507800 | — | Dissolved | |
| IRG International Repeater Group Inc. | — | 656418 | — | Active | |
| IRIDIUM CANADA FACILITIES INC. | — | 506633 | — | Dissolved | |
| IRIDIUM RISK SERVICES INC. | — | 706248 | — | Merged | |
| IRIDIUM RISK SERVICES INC. | — | 643527 | — | Merged | |
| IRINA ART PHOTOGRAPHY | — | 700874 | — | Active | |
| IRINA CORPORATION INC. | — | 501845 | — | Dissolved | |
| IRIS DECORATION ENRG | — | 332608 | — | Dissolved | |
| IRIS DECORATIONS | — | 323430 | — | Dissolved | |
| IRIS FLEURISTE | — | 323414 | — | Dissolved | |
| IRIS POWER ENGINEERING INC. | — | 602513 | — | Dissolved | |
| IRIS, LE GROUPE VISUEL (1990) INC. | — | 733218 | — | Merged | |
| IRIS, LE GROUPE VISUEL (1990) INC. | — | 695596 | — | Merged | |
| IRISH EYES PRODUCTIONS INC. | — | 514328 | — | Dissolved | |
| IRISH HOLDINGS LTD. | — | 8543 | — | Merged | |
| IRISH INDUSTRIES | — | 316451 | — | Dissolved | |
| IRISH MAPLE GROVE SUGARY INC. | — | 693798 | — | Active | |
| IRISH THEATRE COMPANY INC. | — | 662457 | — | Dissolved | |
| IRISHTOWN ALPACAS | — | 631887 | — | Dissolved | |
| IRISHTOWN AUTO CLINIC INC. | — | 503631 | — | Pending | |
| IRISHTOWN BARN SUPPLIES LTD. | — | 8544 | — | Dissolved | |
| IRISHTOWN Bed & Breakfast | — | 345486 | — | Active | |
| IRISHTOWN COMMUNITY CENTRE INC. | — | 8545 | — | Active | |
| IRISHTOWN COMPUTERS | — | 330188 | — | Dissolved | |
| IRISHTOWN ELECTRIC LTD. | — | 8546 | — | Dissolved | |
| IRISHTOWN FARM EQUIPMENT LTD. | — | 8547 | — | Dissolved | |
| IRISHTOWN GROCERY LTD. | — | 8548 | — | Dissolved | |
| IRISHTOWN LIONS CLUB INC. | — | 8549 | — | Dissolved | |
| IRISHVIEW ESTATE LTD. | — | 674663 | — | Active | |
| IRISHVIEW FARMS LTD. | — | 8550 | — | Merged | |
| IRL Branding Co. Inc. | — | 779574 | — | Active | |
| IRLS CREATIONS INC. | — | 36633 | — | Dissolved | |
| IRL’s at Home Renovation | — | 727218 | — | Active | |
| IRM Moncton MRI | — | 674805 | — | Active | |
| IRMA FOOD SERVICE LTD. | — | 35430 | — | Dissolved | |
| IROIS ATELIER DE DEBOSSAGE LTEE. - ROY'S AUTO BODY LTD. | — | 30811 | — | Merged | |
| IROIS ATELIER DE DEBOSSAGE LTEE. - ROY'S AUTO BODY LTD. | — | 644751 | — | Active | |
| IROMAC DEVELOPMENT INC. | — | 55667 | — | Dissolved | |
| IRON AND OAK BUILDERS | — | 654335 | — | Dissolved | |
| IRON BINS SERVICES Inc. | — | 700789 | — | Dissolved | |
| IRON CLAD Demolition Inc. | — | 690485 | — | Active | |
| IRON COAST MOTORS | — | 776145 | — | Active | |
| IRON DUKE LTD. | — | 8551 | — | Dissolved | |
| IRON EAGLE ENTERPRISES INC. | — | 611767 | — | Dissolved | |
| IRON GATE BREWERY | — | 646427 | — | Dissolved | |
| IRON GATE ENTERPRISES & APPLIANCE REPAIR LTD. | — | 696530 | — | Active | |
| IRON GATE PROPERTY MANAGEMENT INC. | — | 654405 | — | Dissolved | |
| IRON HORSE WELDING & FITTING | — | 603448 | — | Dissolved | |
| IRON JUNGLE FITNESS CENTRE | — | 622171 | — | Dissolved | |
| IRON JUNGLE FITNESS CENTRE | — | 677196 | — | Dissolved | |
| IRON JUNGLE FITNESS CENTRE INC. | — | 679019 | — | Dissolved | |
| IRON MAPLE ENERGY INC. | — | 767893 | — | Active | |
| IRON MOOSE CONSTRUCTION INC. | — | 727191 | — | Active | |
| IRON MOOSE PROPERTIES INC. | — | 737159 | — | Active | |
| IRON MOUNTAIN CANADA OPERATIONS ULC | — | 694805 | — | Active | |
| IRON MOUNTAIN INFORMATION MANAGEMENT SERVICES CANADA INC. | — | 726233 | — | Active | |
| IRON-HEAD CYCLE & SLED SHOP | — | 606389 | — | Dissolved | |
| IRONBRIDGE EQUITY PARTNERS IV, LP | — | 728723 | — | Active | |
| IRONBYTE INC. | — | 630103 | — | Dissolved | |
| IRONCLAD BUILDING ERECTORS LTD. | — | 695914 | — | Active | |
| IRONCLAD GROUP OF COMPANIES INC. | — | 715979 | — | Active | |
| IRONFAB WELDING | — | 689929 | — | Dissolved | |
| IRONFAB WELDING LTD. | — | 706794 | — | Active | |
| IRONFLOW TECHNOLOGIES INC. | — | 650834 | — | Active | |
| IRONGATE & ASSOCIATES | — | 615824 | — | Dissolved | |
| IRONHOUSE GYM | — | 770604 | — | Active | |
| IRONS FOX FARMS, LIMITED | — | 93605 | — | Dissolved | |
| IRONSTONE LANDSCAPING | — | 617053 | — | Dissolved | |
| IRONWILL FOUNDATION | — | 675247 | — | Dissolved | |
| IRONWOOD BOWLS | — | 683329 | — | Dissolved | |
| IRONWOOD BOWLS | — | 345132 | — | Dissolved | |
| IRONWOOD ENTERPRISES INC. | — | 618439 | — | Active | |
| IROQUOIS COBNSTRUCTION CO. LTD. | — | 93588 | — | Dissolved | |
| IROQUOIS FALLS POWER CORP. | — | 504574 | — | Withdrawn | |
| IROQUOIS FALLS POWER CORP. | — | 504543 | — | Merged | |
| IROQUOIS REALTIES LTD./LES IMMEUBLES IROQUOIS LTEE. | — | 8552 | — | Dissolved | |
| IRP BEAUSEJOUR CORPORATION | — | 506308 | — | Dissolved | |
| IRP DOUBLE RINKS GENERAL CORPORATION | — | 507228 | — | Dissolved | |
| IRP GATEWAY INC. | — | 506884 | — | Dissolved | |
| IRP MANNING (NB) CORP. | — | 512572 | — | Dissolved | |
| IRP MERIVALE INC. | — | 506127 | — | Withdrawn | |
| IRP THOMPSON ARENA INC. | — | 506902 | — | Dissolved | |
| IRRESISTIBLE HAIR FASHIONS AND AESTHETICS LTD. | — | 503547 | — | Dissolved | |
| IRRI PLUS | — | 338097 | — | Dissolved | |
| IRRR TOTAL | — | 633795 | — | Active | |
| IRS Holdings Ltd. | — | 601705 | — | Active | |
| IRS ICE REMOVAL SYSTEMS INC. | — | 601333 | — | Dissolved | |
| IRS ICE REMOVALSYSTEMS (2005) INC. | — | 621193 | — | Dissolved | |
| IRS TECHNOLOGIES INC. | — | 510038 | — | Dissolved | |
| IRSC Integrated Collection Services Corp. | — | 700952 | — | Dissolved | |
| IRV GAMES | — | 316493 | — | Dissolved | |
| IRVINE DEVELOPMENT | — | 338753 | — | Dissolved | |
| IRVINE G. ROSS CO. LTD. | — | 14307 | — | Pending | |
| IRVINE HOSSACK TOWING | — | 334669 | — | Dissolved | |
| IRVINE L. BRIDGES LTD. | — | 509125 | — | Active | |
| IRVINE'S SHOE REPAIR | — | 304842 | — | Dissolved | |
| IRVING CHANDLER | — | 304843 | — | Dissolved | |
| IRVING DRIVER SCHOOL | — | 304844 | — | Dissolved | |
| IRVING ENERGY LIMITED | — | 510210 | — | Merged | |
| IRVING ENERGY SERVICES LIMITED SERVICES D'ENERGIE IRVING LIMITÉE | — | 510447 | — | Active | |
| IRVING ENERGY SERVICES/SERVICES D'ENERGIE IRVING | — | 615256 | — | Active | |
| IRVING ENERGY SERVICES/SERVICES D'ENERGIE IRVING | — | 349244 | — | Dissolved | |
| IRVING ENVIRONMENT LIMITED/L'ENVIRONMENT IRVING LIMITEE | — | 50347 | — | Dissolved | |
| IRVING EQUIPMENT | — | 328305 | — | Dissolved | |
| IRVING EQUIPMENT | — | 300472 | — | Dissolved | |
| IRVING EQUIPMENT LIMITED | — | 8553 | — | Dissolved | |
| IRVING EXPORT LIMITED | — | 8554 | — | Dissolved | |
| IRVING FIX-ALL | — | 304845 | — | Dissolved | |
| IRVING FLEET SERVICES LIMITED | — | 503395 | — | Dissolved | |
| IRVING FOREST SERVICES LIMITED/LES SERVICES FORESTIERS IRVING LIMITEE | — | 52065 | — | Active | |
| IRVING GLEN SHIPPING LIMITED | — | 59026 | — | Dissolved | |
| IRVING GOVERNMENT RELATIONS INC. | — | 48479 | — | Dissolved | |
| IRVING LUBRICANTS | — | 347496 | — | Dissolved | |
| IRVING MARINE SERVICES LIMITED | — | 56840 | — | Dissolved | |
| IRVING MUSIC | — | 339503 | — | Dissolved | |
| IRVING MUSIC | — | 690479 | — | Pending | |
| IRVING OIL COMPANY, LIMITED | — | 753002 | — | Active | |
| IRVING OIL COMPANY, LIMITED | — | 31210 | — | Withdrawn | |
| IRVING OIL LIMITED | — | 8558 | — | Merged | |
| IRVING OIL MARKETING LIMITED | — | 642146 | — | Merged | |
| IRVING OIL STORES LIMITED | — | 36479 | — | Merged | |
| IRVING OIL TERMINALS LTD. | — | 8559 | — | Merged | |
| IRVING PAPER | — | 337957 | — | Dissolved | |
| IRVING PAPER INC. | — | 53259 | — | Merged | |
| IRVING PAPER INC. | — | 53043 | — | Merged | |
| IRVING PROCARE | — | 312889 | — | Dissolved | |
| IRVING PULP & PAPER, LIMITED | — | 8562 | — | Merged | |
| IRVING PULP & PAPER, LIMITED | — | 93606 | — | Merged | |
| IRVING REFINING LIMITED | — | 93592 | — | Merged | |
| IRVING SOUTH BAY MILLS LTD. | — | 93593 | — | Dissolved | |
| IRVING STEAMSHIPS, LIMITED | — | 8563 | — | Dissolved | |
| IRVING TISSUE | — | 350888 | — | Active | |
| IRVING TISSUE | — | 343693 | — | Dissolved | |
| IRVING TISSUE | — | 333205 | — | Dissolved | |
| IRVING TISSUE COMPANY | — | 350889 | — | Active | |
| IRVING TISSUE COMPANY | — | 316478 | — | Dissolved | |
| IRVING TISSUE LIMITED/LES PAPIERS IRVING LIMITEE | — | 43450 | — | Merged | |
| IRVING TISSUE LIMITED/LES PAPIERS IRVING LIMITEE | — | 53258 | — | Dissolved | |
| IRVING TISSUE SALES LIMITED/LES VENTES DE PAPIER IRVING LIMITEE | — | 53621 | — | Dissolved | |
| IRVING TRANSPORT LIMITED | — | 20914 | — | Dissolved | |
| IRVING V. SCOTT & SONS LTD. | — | 14866 | — | Dissolved | |
| IRVING'S FURNITURE LTD. | — | 8565 | — | Dissolved | |
| IRVING'S SHOPPING CENTRE - CENTRE D'ACHAT IRVING | — | 300531 | — | Active | |
| IRVING, BRENNAN & COMPANY, LIMITED | — | 93590 | — | Dissolved | |
| IRVING, JONES & ASSOCIATES LTD. | — | 19852 | — | Dissolved | |
| IRVINGDALE ASSOCIATES | — | 300666 | — | Dissolved | |
| IRVINGDALE SHIPPING LIMITED | — | 48659 | — | Dissolved | |
| IRVINGDALE, LIMITED | — | 93594 | — | Dissolved | |
| IRWIN COMMERCIAL FINANCE CANADA CORPORATION/CORPORATION DE FINANCEMENT COMMERCIAL IRWIN DU CANADA | — | 76401 | — | Dissolved | |
| IRWIN N. PINKNEY ENTERPRISES | — | 306605 | — | Dissolved | |
| IRWIN PLUMBING & HEATING CO., LTD. | — | 93595 | — | Dissolved | |
| IRWIN SPORTS | — | 323747 | — | Dissolved | |
| IRWIN TOY LIMITED | — | 78039 | — | Dissolved | |
| IRWIN TOY LIMITED | — | 70695 | — | Merged | |
| IRWIN TOY LIMITED | — | 78038 | — | Merged | |
| IRÉNÉE DOIRON ET FILS LTÉE | — | 752877 | — | Active | |
| IRÉNÉE DOIRON ET FILS LTÉE | — | 508640 | — | Merged | |
| ISA TRADING LTD. | — | 680902 | — | Dissolved | |
| ISAAC AND BLEWETT | — | 352489 | — | Dissolved | |
| ISAAC GORDON & SONS LIMITED | — | 7297 | — | Dissolved | |
| ISAAC L. SELICK BROKERAGE LTD. | — | 14982 | — | Dissolved | |
| ISAAC L. SELICK DISTRIBUTORS LIMITED | — | 14983 | — | Dissolved | |
| ISAAC RESTAURANT & TAKE-OUT LTD. | — | 32294 | — | Dissolved | |
| ISAAC SELICK AND SONS, LIMITED | — | 14984 | — | Dissolved | |
| ISAAC'S ARK | — | 652040 | — | Dissolved | |
| ISAAC'S WAY RESTAURANT AND BAR | — | 698207 | — | Active | |
| ISAAC'S WAY RESTAURANT AND BAR | — | 621680 | — | Dissolved | |
| ISAACS BUILDING | — | 304846 | — | Dissolved | |