| Lyon's Den Fisheries Inc. | — | 680578 | — | Active | |
| Lyondell Chemical Company | — | 71710 | — | Active | |
| Lyons Claw Nail Studio Inc. | — | 727397 | — | Dissolved | |
| Lyons Construction Ltd. | — | 717363 | — | Active | |
| Lyons Consulting Agency | — | 705989 | — | Dissolved | |
| Lyons Den Fitness | — | 680790 | — | Dissolved | |
| Lyons Den Holdings Ltd. | — | 776318 | — | Active | |
| Lyons Insurance | — | 654252 | — | Dissolved | |
| Lyons Maple Products | — | 771211 | — | Active | |
| Lyons Stream Charolais | — | 690775 | — | Dissolved | |
| Lyons Ventures | — | 718836 | — | Dissolved | |
| Lyper Attitude Inc. | — | 724884 | — | Dissolved | |
| Lyra's Esthetic & Tanning Salon | — | 345352 | — | Dissolved | |
| Lyreco (Canada) Inc. | — | 666882 | — | Merged | |
| Lyrics Harmoni Delivery Service | — | 718401 | — | Dissolved | |
| Lyrx Enterprises | — | 349711 | — | Dissolved | |
| Lys Training & Consulting Corporation | — | 746040 | — | Dissolved | |
| Lys blanc design & couture | — | 643117 | — | Dissolved | |
| Lysoft Computers | — | 650068 | — | Dissolved | |
| Lyte Designs by L.B. | — | 733602 | — | Active | |
| Lytton Financial Inc. | — | 672232 | — | Active | |
| Lyver Technical Services | — | 614696 | — | Dissolved | |
| LÉA COSMÉTIQUES INC. LÉA COSMETICS INC. | — | 716108 | — | Dissolved | |
| LÉO J. DOIRON C.P. INC. | — | 604819 | — | Dissolved | |
| LÉON CHOUINARD ET FILS CO. LTD./LTÉE | — | 513586 | — | Active | |
| LÉON CHOUINARD ET FILS CO. LTD./LTÉE | — | 59091 | — | Merged | |
| LÉRIDA SPV GROUP LIMITED PARTNERSHIP | — | 745756 | — | Active | |
| Léa Coaching | — | 740907 | — | Active | |
| Légaré Boatbuilding | — | 621515 | — | Dissolved | |
| Léger Insulation & Firestop | — | 679147 | — | Dissolved | |
| Léger Insulation & PVC | — | 350757 | — | Dissolved | |
| Léger Meat Market - Léger Marché de Viande | — | 648986 | — | Dissolved | |
| Légère Marketing enr. | — | 353299 | — | Dissolved | |
| Légère's Custom Mouldings | — | 344701 | — | Dissolved | |
| Léo Garage | — | 772288 | — | Active | |
| Léo Goguen Architecture | — | 669029 | — | Dissolved | |
| Léo Paul Cormier Auto Body | — | 648988 | — | Dissolved | |
| Léo's Service Shop | — | 627996 | — | Active | |
| Léonce Chiasson Consultation | — | 636949 | — | Dissolved | |
| Léonce LeBlanc General Service | — | 615837 | — | Active | |
| Löfbergs Canada Inc. | — | 696915 | — | Dissolved | |
| L’IL CRITTERS EARLY LEARNING MIRAMICHI INC. | — | 766120 | — | Active | |
| L’Isle-du-Randonneur Enrg. | — | 730553 | — | Dissolved | |
| L’Odyssée des petits pas – Collection ludique | — | 768243 | — | Active | |
| M & A | — | 337068 | — | Dissolved | |
| M & A AUTOMOTIVE LTD. | — | 35331 | — | Merged | |
| M & A Automotive Ltd. | — | 736282 | — | Active | |
| M & A BUILDERS | — | 326556 | — | Dissolved | |
| M & A BUSINESS SERVICES | — | 333306 | — | Dissolved | |
| M & A REALTIES LTD. | — | 10141 | — | Dissolved | |
| M & A SPORTS CENTRE LTD. | — | 45010 | — | Dissolved | |
| M & A THERMAL LTD. | — | 10142 | — | Dissolved | |
| M & A TREE FARM | — | 309002 | — | Dissolved | |
| M & A VENTURES LTD. | — | 34477 | — | Dissolved | |
| M & A WELDING & MECHANICAL INC. | — | 627287 | — | Dissolved | |
| M & A's Pure & Simple Cleaning | — | 715367 | — | Dissolved | |
| M & Associates Consulting Inc. | — | 759271 | — | Active | |
| M & B Agriculture Innovators | — | 346058 | — | Dissolved | |
| M & B BLUEBERRY FARMS | — | 615770 | — | Active | |
| M & B CONSTRUCTION LTD. | — | 10149 | — | Dissolved | |
| M & B FURNITURE & DISTRIBUTORS | — | 314318 | — | Dissolved | |
| M & B FURNITURE MANUFACTURING LTD. | — | 40464 | — | Dissolved | |
| M & B GENERAL REPAIR | — | 306031 | — | Dissolved | |
| M & B HOLDINGS LTD. | — | 10152 | — | Merged | |
| M & B HOYT HOLDINGS LTD. | — | 32935 | — | Dissolved | |
| M & B Holdings Inc. | — | 651448 | — | Active | |
| M & B INDUSTRIES LTD. | — | 504892 | — | Dissolved | |
| M & B LIVING LTD. | — | 709735 | — | Pending | |
| M & B McIntosh Transport | — | 349069 | — | Dissolved | |
| M & B RESTORATORS INC. | — | 636631 | — | Merged | |
| M & B Restorators Inc. | — | 710917 | — | Merged | |
| M & B TAKE OUT | — | 329379 | — | Dissolved | |
| M & B TRAILER MANUFACTURING INC. | — | 510191 | — | Dissolved | |
| M & C CLOTHING LTD. | — | 10155 | — | Dissolved | |
| M & C CONVENIENCE STORES LTD. | — | 33112 | — | Dissolved | |
| M & C COURTNEY ENTERPRISES INC. | — | 507970 | — | Dissolved | |
| M & C Foods Inc. | — | 682682 | — | Active | |
| M & C HESSE TRUCKING LIMITED | — | 649635 | — | Dissolved | |
| M & C HOLDINGS LTD. | — | 45562 | — | Dissolved | |
| M & C Hesse Trucking Limited | — | 722863 | — | Active | |
| M & C Hood Enterprises Inc. | — | 661543 | — | Merged | |
| M & C MAINTENANCE LTD. | — | 35611 | — | Dissolved | |
| M & C MANAGEMENT LTD. | — | 10158 | — | Dissolved | |
| M & D 2000 CONSULTING (SALES) | — | 636196 | — | Dissolved | |
| M & D ASPHALT DRIVEWAY SEALING & REPAIR | — | 336510 | — | Dissolved | |
| M & D AUTO SERVICE INC. | — | 35438 | — | Dissolved | |
| M & D Antiques / Martins Auctions | — | 603920 | — | Dissolved | |
| M & D Auto Sales | — | 344399 | — | Dissolved | |
| M & D Brien Enterprises Ltd. | — | 742529 | — | Active | |
| M & D CARPET & UPHOLSTERY CLEANING | — | 311704 | — | Dissolved | |
| M & D CONSTRUCTION | — | 306034 | — | Dissolved | |
| M & D CONTRACTING LTD. | — | 10165 | — | Dissolved | |
| M & D CONVENIENCE | — | 312116 | — | Dissolved | |
| M & D Construction | — | 634159 | — | Dissolved | |
| M & D GROCERY | — | 306035 | — | Dissolved | |
| M & D HOME MAINTENANCE SERVICE | — | 312441 | — | Dissolved | |
| M & D Hynes Holdings Ltd. | — | 600197 | — | Dissolved | |
| M & D INSULATORS | — | 306037 | — | Dissolved | |
| M & D MANAGEMENT CO. LTD. | — | 40080 | — | Dissolved | |
| M & D MUNN ENTERPRISES LTD. | — | 55388 | — | Dissolved | |
| M & D PHOTO ET LAMINAGE | — | 325162 | — | Dissolved | |
| M & D PROPERTIES AND RENOVATIONS | — | 342487 | — | Dissolved | |
| M & D RETAIL SERVICES | — | 326242 | — | Dissolved | |
| M & D TRANSFER, LIMITED | — | 10168 | — | Dissolved | |
| M & D WHITE HOLDINGS LTD. | — | 600066 | — | Dissolved | |
| M & E AUTO PARTS | — | 309996 | — | Dissolved | |
| M & E Consultants Limited | — | 605392 | — | Dissolved | |
| M & E INVESTMENTS LTD. | — | 10169 | — | Dissolved | |
| M & E LOGGING LTD. | — | 10170 | — | Dissolved | |
| M & E TRANSPORT LTD. | — | 20315 | — | Dissolved | |
| M & E VENTURES LTD. | — | 512671 | — | Active | |
| M & F EXCAVATING | — | 331205 | — | Dissolved | |
| M & F LEBLANC OIL LTD. | — | 511751 | — | Active | |
| M & F ZONE | — | 616623 | — | Dissolved | |
| M & G BAKERY INC. | — | 653988 | — | Dissolved | |
| M & G ELECTRIC LTD. | — | 501303 | — | Dissolved | |
| M & G FARMS INC. | — | 500520 | — | Active | |
| M & G Fire & Flood Restoration | — | 348237 | — | Dissolved | |
| M & G General Services | — | 652485 | — | Dissolved | |
| M & G Holdings Inc. | — | 770874 | — | Active | |
| M & G INVESTMENTS LTD. | — | 10180 | — | Dissolved | |
| M & G LOGGING LTD. | — | 10181 | — | Dissolved | |
| M & G Mécanique Générale Ltée | — | 701344 | — | Dissolved | |
| M & G RENO | — | 677210 | — | Dissolved | |
| M & G RENO | — | 746218 | — | Dissolved | |
| M & G RENO | — | 746342 | — | Active | |
| M & G SLASHER LTEE/LTD. | — | 47529 | — | Dissolved | |
| M & G Special Care Home | — | 668863 | — | Dissolved | |
| M & G TRUCKING LTD. | — | 48412 | — | Dissolved | |
| M & G Trading | — | 680607 | — | Active | |
| M & H BUILDING SUPPLIES LTD | — | 38878 | — | Dissolved | |
| M & H BUILDING SUPPLIES REG'D | — | 306040 | — | Dissolved | |
| M & H CONCRETE FINISHING LTD. | — | 638237 | — | Dissolved | |
| M & H DETAILING EXPERTS | — | 338726 | — | Dissolved | |
| M & H HOLDINGS LTD. | — | 507057 | — | Dissolved | |
| M & H Heating | — | 350768 | — | Dissolved | |
| M & H Heating Ltd. | — | 513449 | — | Dissolved | |
| M & H MECHANICAL LTD. | — | 10188 | — | Dissolved | |
| M & H Tires | — | 723248 | — | Pending | |
| M & H WOOD CONTRACTORS INC.- M & H CONTRACTEURS DE BOIS INC. | — | 58112 | — | Merged | |
| M & J AUTO (1998) LTD. | — | 507561 | — | Dissolved | |
| M & J AUTO SALES LTD. | — | 32964 | — | Dissolved | |
| M & J Automotive & Small Engine Repair | — | 620984 | — | Dissolved | |
| M & J Bug Brothers Inc. | — | 745549 | — | Active | |
| M & J CHILDREN'S WEAR LTD. | — | 34826 | — | Dissolved | |
| M & J CONVENIENCE & TAKE-OUT INC. | — | 515277 | — | Dissolved | |
| M & J DELANEY HOLDINGS LTD. | — | 507995 | — | Merged | |
| M & J DISTRIBUTORS | — | 306044 | — | Dissolved | |
| M & J ENTERPRISES LIMITED | — | 10190 | — | Dissolved | |
| M & J HOLDINGS INC. | — | 646891 | — | Active | |
| M & J HOLDINGS LTD. | — | 10191 | — | Dissolved | |
| M & J Kinney Roofing | — | 678591 | — | Dissolved | |
| M & J LAND (1970) LTD. | — | 20610 | — | Active | |
| M & J LOGGING | — | 709165 | — | Dissolved | |
| M & J Logging Inc. | — | 718545 | — | Dissolved | |
| M & J MOBILE STEAM LTD. | — | 33346 | — | Dissolved | |
| M & J PROJECT CONSULTANTS & MANAGERS LTD. | — | 48019 | — | Dissolved | |
| M & J RICKSHAWS | — | 326662 | — | Dissolved | |
| M & J SLACK SHOP | — | 306047 | — | Dissolved | |
| M & J SLACKS LTD. | — | 10193 | — | Dissolved | |
| M & J TRANSPORT LTD. | — | 20314 | — | Dissolved | |
| M & J Ventures Inc. | — | 510229 | — | Dissolved | |
| M & J's Pawn Shop | — | 345583 | — | Dissolved | |
| M & K CONVENIENCE STORE LTD. | — | 10196 | — | Pending | |
| M & K DENTAL LAB | — | 306048 | — | Dissolved | |
| M & K DEVELOPMENTS | — | 10197 | — | Dissolved | |
| M & K ERRAND AND SHOPPING SERVICES | — | 611116 | — | Dissolved | |
| M & K FOODS LTD. | — | 40060 | — | Dissolved | |
| M & K Management Inc. | — | 643852 | — | Dissolved | |
| M & K Muffler & Brake Ltd. | — | 605034 | — | Dissolved | |
| M & K Ventures Limited | — | 700071 | — | Dissolved | |
| M & L Daigle Enterprise | — | 625692 | — | Dissolved | |
| M & L ELECTRIQUE | — | 311603 | — | Dissolved | |
| M & L Guest Holdings Ltd. | — | 687673 | — | Active | |
| M & L HOLDINGS | — | 338586 | — | Dissolved | |
| M & L HOLDINGS | — | 328644 | — | Dissolved | |
| M & L International Inc | — | 624297 | — | Dissolved | |
| M & L MORIN AUTO SERVICE LTEE/LTD. | — | 506163 | — | Active | |
| M & L PHARMACY LTD. | — | 52642 | — | Dissolved | |
| M & L RESTAURANT | — | 306049 | — | Dissolved | |
| M & L Testing Equipment (1995) Inc. | — | 76505 | — | Dissolved | |
| M & L WELDING INC. | — | 658923 | — | Dissolved | |
| M & L auto sport | — | 694610 | — | Dissolved | |
| M & M | — | 306050 | — | Dissolved | |
| M & M ADVERTISING | — | 309749 | — | Dissolved | |
| M & M AUTO | — | 328434 | — | Dissolved | |
| M & M AUTO AND APPLIANCE SALES LTD. | — | 94155 | — | Dissolved | |
| M & M Asphalt Sealing | — | 716665 | — | Dissolved | |
| M & M Auto Brokers | — | 626768 | — | Dissolved | |
| M & M Auto Brokers | — | 623467 | — | Dissolved | |
| M & M BOSSENBERRY CO. LTD. | — | 2107 | — | Dissolved | |
| M & M BRUN HOLDINGS LIMITED | — | 55549 | — | Merged | |
| M & M Beaulieu Accounting Services Inc. | — | 639599 | — | Dissolved | |
| M & M CALDWELL LTD. | — | 33694 | — | Dissolved | |
| M & M CARCARE CENTRE LTD. | — | 31828 | — | Dissolved | |
| M & M CATERING | — | 325963 | — | Dissolved | |
| M & M CHARLTON HOLDINGS LTD. | — | 665599 | — | Dissolved | |
| M & M CLEANERS | — | 329524 | — | Dissolved | |
| M & M CLEANERS | — | 319710 | — | Dissolved | |
| M & M COMPUTERIZED ENGRAVING & SIGNS | — | 331330 | — | Dissolved | |