| DataHybrid Information Technologies Inc. | — | 684384 | — | Dissolved | |
| DataKnowledge | — | 722417 | — | Active | |
| DataLink Telecommunications Limited | — | 509298 | — | Dissolved | |
| DataMed | — | 675967 | — | Dissolved | |
| DataNomia Consulting/Consultance | — | 701574 | — | Dissolved | |
| DataScan Field Services ULC | — | 668322 | — | Active | |
| DataVoltTech Consulting | — | 703776 | — | Dissolved | |
| DataWazo | — | 752406 | — | Active | |
| Datacor Information Systems Management Atlantic Corp. | — | 36933 | — | Merged | |
| Datagroup Technologies Inc. | — | 681025 | — | Dissolved | |
| Datamars Canada Inc. | — | 723470 | — | Dissolved | |
| Dataminds solutions and consulting Inc. | — | 761660 | — | Active | |
| Datapipe Canada Limited | — | 710876 | — | Merged | |
| Dataplus M.A.C. Ltd. | — | 670422 | — | Pending | |
| Dataridge Networks | — | 631611 | — | Dissolved | |
| Datashepherd Limited | — | 512501 | — | Dissolved | |
| Date Investments (2023) Ltd. | — | 741658 | — | Active | |
| Date Investments Ltd. | — | 690760 | — | Merged | |
| Datec Group Ltd. | — | 514877 | — | Dissolved | |
| Datemall Networks | — | 660044 | — | Dissolved | |
| Datix (Canada) Limited/Datix (Canada) Limitée | — | 657559 | — | Active | |
| Datolite Holdings Ltd. | — | 679123 | — | Dissolved | |
| Datolite Solutions Inc. | — | 677911 | — | Active | |
| Datolite Solutions International Inc. | — | 729613 | — | Active | |
| Datt Computers | — | 349500 | — | Dissolved | |
| Datta Nangal Farm Inc. | — | 718140 | — | Dissolved | |
| Datum Stream Inc. | — | 748951 | — | Active | |
| Daubois Products Inc./Les Produits Daubois Inc. | — | 673046 | — | Active | |
| Daughter's Flame Candles | — | 727090 | — | Pending | |
| DauversièreNet Inc. | — | 727390 | — | Active | |
| Dav's Rent-A-Chef & Catering | — | 603093 | — | Dissolved | |
| DavNeil247 eSales Inc. | — | 736718 | — | Active | |
| Davaco Canada Inc. | — | 660930 | — | Merged | |
| Daval Holdings Ltd. | — | 609741 | — | Active | |
| Davalco | — | 732584 | — | Active | |
| Davann Holdings Ltd. | — | 513365 | — | Merged | |
| Davann Holdings Ltd. | — | 619856 | — | Dissolved | |
| Davanna Farms Inc. | — | 751655 | — | Active | |
| Davanna Holdings Inc. | — | 751649 | — | Active | |
| Davco Group Inc. | — | 657573 | — | Dissolved | |
| Dave 4 Hire Landscaping & Snowblowing | — | 691214 | — | Dissolved | |
| Dave Baker Accounting Limited | — | 758079 | — | Active | |
| Dave Bannister Moving | — | 350637 | — | Dissolved | |
| Dave Barnes Productions | — | 349363 | — | Dissolved | |
| Dave Boucher Enterprises Ltd. | — | 767501 | — | Active | |
| Dave Boyd Roofing | — | 745637 | — | Active | |
| Dave Brennan Enterprises | — | 352818 | — | Dissolved | |
| Dave C. Fisheries Inc. | — | 733324 | — | Active | |
| Dave Carey Leatherworks | — | 700773 | — | Dissolved | |
| Dave Clavette, CPA, Corporation Professionnelle Inc. | — | 713764 | — | Active | |
| Dave Cormier Manufacuring | — | 632350 | — | Dissolved | |
| Dave Emmerson Holdings Inc. | — | 700154 | — | Merged | |
| Dave Goodwin Consulting Inc. | — | 605617 | — | Dissolved | |
| Dave Gorham Trucking | — | 765234 | — | Active | |
| Dave Gorman Financial Strategies | — | 687407 | — | Active | |
| Dave Gorman Financial Strategies Inc. | — | 685137 | — | Active | |
| Dave Grady’s Contracting Ltd. | — | 688294 | — | Dissolved | |
| Dave Grebenc Holdings Inc. | — | 779505 | — | Active | |
| Dave Hawkins Construction Ltd. | — | 675001 | — | Active | |
| Dave LeBlanc's Construction | — | 649799 | — | Dissolved | |
| Dave Lounsbury's Home Renovations | — | 625332 | — | Dissolved | |
| Dave MacPherson Sales Inc. | — | 626572 | — | Dissolved | |
| Dave McConnell's Auto Body | — | 622668 | — | Dissolved | |
| Dave McCurdy Consulting Ltd. | — | 610540 | — | Dissolved | |
| Dave O'Marra Consulting | — | 764526 | — | Active | |
| Dave Porter Painting | — | 346499 | — | Dissolved | |
| Dave Richard’s Auto & Recreational Repair | — | 690156 | — | Dissolved | |
| Dave Small Electrical Inc. | — | 608677 | — | Active | |
| Dave The Roofer Inc. | — | 683755 | — | Active | |
| Dave Thompson Realty Inc. | — | 603317 | — | Dissolved | |
| Dave Tuck Sales | — | 617274 | — | Dissolved | |
| Dave Youngs Service Centre | — | 655768 | — | Dissolved | |
| Dave and Sob Cleaning | — | 349865 | — | Dissolved | |
| Dave of All Trades Handyman | — | 744654 | — | Active | |
| Dave's Auto & Recreational Repair | — | 631370 | — | Dissolved | |
| Dave's Bakehouse Ltd. | — | 616272 | — | Dissolved | |
| Dave's Environmental Services Ltd. | — | 510915 | — | Dissolved | |
| Dave's Gun Repair | — | 650119 | — | Dissolved | |
| Dave's Happy Horticulture | — | 734922 | — | Active | |
| Dave's Honey Products | — | 603021 | — | Dissolved | |
| Dave's Insulation | — | 697399 | — | Dissolved | |
| Dave's Insulation Inc. | — | 699478 | — | Active | |
| Dave's Lobster | — | 689292 | — | Active | |
| Dave's Lobster & Seafood | — | 679380 | — | Dissolved | |
| Dave's Logging Ltd. | — | 613137 | — | Dissolved | |
| Dave's Place | — | 349157 | — | Dissolved | |
| Dave's Produce Packs | — | 664327 | — | Dissolved | |
| Dave's Rock Emporium | — | 695430 | — | Active | |
| Dave's Roofing & Sons Ltd. | — | 640194 | — | Dissolved | |
| Dave's Rustorations | — | 765811 | — | Active | |
| Dave's Seafood and Subs | — | 612744 | — | Dissolved | |
| Dave's Siding | — | 672288 | — | Active | |
| Dave's Technical Services | — | 642340 | — | Dissolved | |
| Dave's Treasure Chest N.B. | — | 672851 | — | Dissolved | |
| Dave's Welding & Hydraulic | — | 606525 | — | Dissolved | |
| DaveTech Consulting | — | 633715 | — | Dissolved | |
| Davemar Holdings Inc. | — | 627155 | — | Dissolved | |
| Davenport Mink Farm Inc. | — | 632698 | — | Dissolved | |
| Davenport Trucking Inc. | — | 668091 | — | Dissolved | |
| Daves Computer Housecalls | — | 616422 | — | Dissolved | |
| Davesports Sales and Service | — | 727895 | — | Active | |
| Davey's Outdoor Emporium | — | 669570 | — | Dissolved | |
| Davhaggson Enterprise | — | 635995 | — | Dissolved | |
| Daviau Capital Corporation | — | 633613 | — | Dissolved | |
| Daviault Transport | — | 777481 | — | Active | |
| David A. Estey Professional Corporation | — | 667598 | — | Active | |
| David Andersen Concrete Placement and Finishing | — | 678323 | — | Dissolved | |
| David B. Roy Consulting Ltd. | — | 628445 | — | Dissolved | |
| David Bailey & Sons Transport Ltd. | — | 678640 | — | Dissolved | |
| David Bailey Graphics & Photo | — | 666809 | — | Dissolved | |
| David Banks Contracting | — | 638324 | — | Active | |
| David Baruch 2013 Ltd. | — | 759530 | — | Pending | |
| David Blanchard Sport Consulting | — | 672180 | — | Dissolved | |
| David Borris Entreprise Inc. | — | 776161 | — | Active | |
| David Bourque's Renovation | — | 640891 | — | Dissolved | |
| David Brannen Professional Corporation | — | 676257 | — | Active | |
| David Bunnett Family Farm | — | 611741 | — | Active | |
| David C.A. Williams Renovations | — | 680760 | — | Dissolved | |
| David C.A. Williams Renovations Ltd. | — | 696738 | — | Active | |
| David Duthie Enterprises | — | 753709 | — | Active | |
| David E. Casey CPA Professional Corporation | — | 512669 | — | Pending | |
| David Fenety Design Services | — | 613053 | — | Dissolved | |
| David Giles Electrical Contracting (2003) Inc. | — | 607726 | — | Dissolved | |
| David Gorveatte Financial Planning Inc. | — | 667355 | — | Merged | |
| David Grant Holdings Inc. | — | 693973 | — | Active | |
| David H. Dunsmuir (2013) Professional Corporation | — | 668627 | — | Dissolved | |
| David H. Dunsmuir Professional Corporation | — | 625090 | — | Dissolved | |
| David Harris Holdings Inc. | — | 671724 | — | Active | |
| David Hills Insurance & Financial Services | — | 636519 | — | Dissolved | |
| David Irving Property Maintenance | — | 693209 | — | Active | |
| David J. Kressock Architect Inc. | — | 669984 | — | Dissolved | |
| David J. McAllister P.Eng. | — | 691574 | — | Active | |
| David Johnston Mortgage Team and Enterprises Ltd. | — | 618400 | — | Dissolved | |
| David L. Clark Painting | — | 656407 | — | Active | |
| David L. Doyle Associates Inc. | — | 616877 | — | Active | |
| David Lake Holdings Ltd. | — | 622677 | — | Merged | |
| David Lanoue Holdings Ltd. | — | 512433 | — | Active | |
| David Lee Insulation LTD. | — | 515188 | — | Dissolved | |
| David Long Holdings Inc. | — | 661842 | — | Active | |
| David M. LeBlanc P.C. Inc | — | 649571 | — | Dissolved | |
| David MacCoubrey Designs | — | 601515 | — | Dissolved | |
| David MacEachern Promotions Incorporated | — | 674080 | — | Dissolved | |
| David Maillet Fisheries Ltd. | — | 709355 | — | Active | |
| David McCarthy Ltd. | — | 680234 | — | Merged | |
| David N. Rogers Professional Corporation | — | 652980 | — | Active | |
| David Nicolle and Associates | — | 608334 | — | Dissolved | |
| David P. Lund CPA PC Inc. | — | 55938 | — | Active | |
| David R. Ames P. C. Inc. | — | 638359 | — | Active | |
| David R. Investments Ltd. | — | 30138 | — | Dissolved | |
| David R. Marr Holdings Inc. | — | 31905 | — | Active | |
| David Rinzler Investments Inc. | — | 752043 | — | Active | |
| David Rinzler Investments Inc. | — | 752040 | — | Merged | |
| David Savage & Sons | — | 608673 | — | Dissolved | |
| David Spray Home Renovations & Construction Inc. | — | 723625 | — | Dissolved | |
| David Sykes Professional Corporation | — | 774154 | — | Active | |
| David Vautour Enterprises | — | 658985 | — | Dissolved | |
| David Vautour Enterprises | — | 700886 | — | Dissolved | |
| David Victor LeBlanc Snow Removal | — | 668034 | — | Dissolved | |
| David W. Dobson Holdings Inc. | — | 675055 | — | Active | |
| David White Enterprise | — | 652708 | — | Active | |
| David and Goliath Printing and Distribution | — | 692384 | — | Dissolved | |
| David and Sandra Bunnett Green Meadows Organics | — | 669652 | — | Dissolved | |
| David in the Dark | — | 695042 | — | Dissolved | |
| David's Heart Ministries Inc. | — | 25630 | — | Dissolved | |
| David's Place | — | 350237 | — | Dissolved | |
| David's Tent of Praise & Worship Ministry | — | 353290 | — | Dissolved | |
| Davids Tea | — | 648934 | — | Active | |
| Davidson Appliance & Air Conditioning Services Ltd. | — | 645439 | — | Dissolved | |
| Davidson Insurance | — | 714986 | — | Active | |
| Davidson Insurance Limited | — | 714165 | — | Merged | |
| Davidson Law | — | 733167 | — | Active | |
| Davidson Physiotherapy P.C. Ltd. | — | 513854 | — | Active | |
| Davidson Wealth Management Inc. | — | 740524 | — | Active | |
| Davie Boulevard Limited Partnership | — | 698874 | — | Active | |
| DavieTech | — | 758488 | — | Active | |
| Davies Realty Group Inc. | — | 730521 | — | Active | |
| Davinci Nova Corp. | — | 679800 | — | Active | |
| Davinci Ventures GP Ltd. | — | 701425 | — | Dissolved | |
| Davinci Ventures Ltd. | — | 701424 | — | Dissolved | |
| Davis & Dye Inc. | — | 672374 | — | Dissolved | |
| Davis + Henderson G.P. Inc. | — | 655421 | — | Merged | |
| Davis + Henderson G.P. Inc. | — | 78019 | — | Merged | |
| Davis + Henderson, Limited Partnership | — | 400618 | — | Dissolved | |
| Davis Charter Service | — | 654891 | — | Dissolved | |
| Davis High Performance Inc. | — | 726168 | — | Active | |
| Davis Law | — | 763965 | — | Active | |
| Davis Mill Carrier Ltd. | — | 600803 | — | Dissolved | |
| Davis Powersports Inc. | — | 653280 | — | Active | |
| Davis Schryer Realty Inc. | — | 722223 | — | Active | |
| DavisTek Consulting | — | 636724 | — | Dissolved | |
| Davison Aviation Ltd. | — | 648585 | — | Dissolved | |
| Davison Strategic Marketing | — | 690529 | — | Dissolved | |
| Davwil Ltd. | — | 508324 | — | Active | |
| Dawgy Stylz | — | 644205 | — | Dissolved | |
| Dawn Bee Soapworks | — | 750641 | — | Active | |
| Dawn Computer Sales | — | 602060 | — | Dissolved | |
| Dawn E. Wilcox P.C. Inc. | — | 731951 | — | Active | |
| Dawn Food Products (Canada), Ltd. | — | 78082 | — | Merged | |
| Dawn Investments | — | 700189 | — | Dissolved | |
| Dawn Publishing | — | 732608 | — | Active | |