| Dawn to Dusk Landscaping | — | 652088 | — | Dissolved | |
| Dawn's Hairstyling | — | 344466 | — | Dissolved | |
| Dawn's House Rehab Center | — | 719424 | — | Pending | |
| Dawn-Works Inc. | — | 665610 | — | Dissolved | |
| DawnLand Consulting | — | 618530 | — | Dissolved | |
| DawnLyn Consulting Inc. | — | 653438 | — | Dissolved | |
| Dawns Cafe on Maple | — | 678527 | — | Dissolved | |
| Dawson & Associates Private Wealth Management | — | 769485 | — | Active | |
| Dawson Campbell Construction | — | 680339 | — | Dissolved | |
| Dawson Campbell Construction Inc. | — | 774088 | — | Active | |
| Dawson Career Development & HR Solutions | — | 661609 | — | Dissolved | |
| Dawson Developments (2014) | — | 698779 | — | Dissolved | |
| Dawson Developments (2014) Inc. | — | 675895 | — | Merged | |
| Dawson James Contracting and Construction Inc. | — | 759620 | — | Active | |
| Dawson Settlement Baptist Church Inc. | — | 762157 | — | Active | |
| Dawson's Painting & Drywall | — | 681252 | — | Dissolved | |
| Daxter&Company | — | 753263 | — | Active | |
| Day Dreamers Inc. | — | 645988 | — | Dissolved | |
| Day Moon Ceramics | — | 762831 | — | Active | |
| Day Productions | — | 759021 | — | Active | |
| Day Solutions | — | 632751 | — | Dissolved | |
| Day's Consulting | — | 728114 | — | Active | |
| Day's End Studio | — | 670760 | — | Dissolved | |
| DayCreatives Inc. | — | 771584 | — | Active | |
| DayMaker Cleaning Co. Ltd. | — | 746263 | — | Active | |
| DayOne Ventures Inc. | — | 753596 | — | Active | |
| DayTime Communications | — | 620905 | — | Dissolved | |
| Daya Law P.C. INC. | — | 765218 | — | Active | |
| Dayan Kids Boutique | — | 779521 | — | Active | |
| Daybreak Construction Ltd. | — | 611351 | — | Dissolved | |
| Daybreak Trio | — | 693730 | — | Active | |
| Daybreak Trio | — | 350104 | — | Dissolved | |
| Daycare Quick Connect Inc. | — | 694089 | — | Dissolved | |
| Daycare by Design Inc. | — | 758014 | — | Active | |
| Daydream Greens | — | 716728 | — | Dissolved | |
| Daye Medicine P.C. Ltd | — | 753995 | — | Active | |
| Daye Well Drilling Ltd. | — | 633123 | — | Active | |
| Dayes Mercantile | — | 606898 | — | Dissolved | |
| Dayforce Canada Ltd. Dayforce Canada Ltée | — | 735779 | — | Active | |
| Dayforce Services Canada Ltd. Dayforce Services Canada Ltée | — | 737294 | — | Active | |
| Daymi's Cleaning Arts | — | 709723 | — | Dissolved | |
| Dayna's Country Kitchen | — | 632518 | — | Active | |
| Daynes Transport Inc. | — | 659449 | — | Dissolved | |
| Days Inn & Suites Moncton | — | 707974 | — | Dissolved | |
| Days Inn Dalhousie | — | 770838 | — | Active | |
| Days Inn Saint John | — | 717074 | — | Active | |
| Days Inn and Suites | — | 688084 | — | Dissolved | |
| Dayton Engineering | — | 657160 | — | Dissolved | |
| Dayton Engineering Ltd. | — | 667762 | — | Active | |
| Dayview Motors Retailer Inc. | — | 730564 | — | Pending | |
| Dayzee's Fashions Ltd. | — | 655499 | — | Active | |
| Dazy Holdco Inc. | — | 676348 | — | Dissolved | |
| Dazzling Bookish Shop | — | 729299 | — | Active | |
| Dazzling Designs | — | 639457 | — | Dissolved | |
| Dazzling Gowns of Moncton Inc. | — | 699221 | — | Dissolved | |
| Da’Spot Barber Shop | — | 761291 | — | Active | |
| Dc junk removal services | — | 774829 | — | Active | |
| De BACHÉ EXCLUSIVES | — | 351071 | — | Dissolved | |
| De Eternal Dao Healing | — | 705644 | — | Dissolved | |
| De Fleur en Fleurs | — | 725323 | — | Active | |
| De Gante Stoneworks Corporation | — | 776669 | — | Active | |
| De Kruyff Financial Group Ltd. | — | 605698 | — | Dissolved | |
| De L'est À L'ouest Job Center | — | 674810 | — | Dissolved | |
| De Lage Landen | — | 352852 | — | Dissolved | |
| De Lage Landen Commercial Finance Inc. Société Financière Commerciale De Lage Landen Inc. | — | 78104 | — | Active | |
| De Lage Landen Financial Services | — | 352853 | — | Dissolved | |
| De Lage Landen Financial Services Canada | — | 348536 | — | Dissolved | |
| De Lage Landen Financial Services, Inc. | — | 75495 | — | Dissolved | |
| De Leon Property Services Inc. | — | 723036 | — | Pending | |
| De Luca Contracting | — | 751437 | — | Active | |
| De Retour Aux Sports Edmundston | — | 661385 | — | Dissolved | |
| De Thomas Financial Corp. | — | 636616 | — | Dissolved | |
| De'Assist Holdings Incorporated | — | 775283 | — | Active | |
| De-Bon Enterprises | — | 350761 | — | Dissolved | |
| De-De's Cleaning | — | 610366 | — | Dissolved | |
| De-Zign.net Computer Services | — | 746070 | — | Active | |
| DeAngelis Investments Inc. | — | 660750 | — | Active | |
| DeAngelis Trading Company Inc. | — | 634618 | — | Dissolved | |
| DeBritt Real Estate Inc. | — | 510729 | — | Active | |
| DeGRASS Lawn Mowing Services | — | 752118 | — | Active | |
| DeGante Authentic Mexican Jewelry | — | 664941 | — | Dissolved | |
| DeGrace D'Astous Partnership | — | 737156 | — | Active | |
| DeGrace Diamond Dance Studio Inc. | — | 25379 | — | Dissolved | |
| DeGrace auto service | — | 755745 | — | Active | |
| DeGroot Vitality Physio | — | 683064 | — | Dissolved | |
| DeGrâce Toilette Design 3D | — | 660200 | — | Dissolved | |
| DeLMac Property Solutions | — | 709832 | — | Active | |
| DeLage Landen | — | 351080 | — | Dissolved | |
| DeLage Landen Financial Services | — | 351081 | — | Dissolved | |
| DeLaval | — | 349439 | — | Active | |
| DeLaval Inc. | — | 75656 | — | Active | |
| DeLong Bros. Trucking | — | 347071 | — | Dissolved | |
| DeLong Immigration | — | 710466 | — | Dissolved | |
| DeLong Immigration Inc. | — | 724796 | — | Active | |
| DeLong Ventures | — | 654424 | — | Dissolved | |
| DeLong's Upstairs/Downstairs | — | 352414 | — | Dissolved | |
| DeLorme Retail Consulting | — | 607837 | — | Dissolved | |
| DeLuca Corp. | — | 649734 | — | Dissolved | |
| DeMERCHANT FAMILY FIVE FOUNDATION INC. | — | 714054 | — | Dissolved | |
| DeMassa Masonry | — | 765247 | — | Active | |
| DeMerchant Chipping Ltd. | — | 604849 | — | Merged | |
| DeSilva Consulting Inc. | — | 777883 | — | Active | |
| DeSilva Technical Services Inc. | — | 636343 | — | Merged | |
| DeSoros Inc. | — | 511041 | — | Dissolved | |
| DeStar Real Estate | — | 635272 | — | Dissolved | |
| DeTails Pet Grooming | — | 696199 | — | Dissolved | |
| DeTwins Investments Ltd. | — | 715646 | — | Active | |
| DeVost Cleaning Solutions | — | 754759 | — | Active | |
| DeVries Carpentry | — | 657463 | — | Dissolved | |
| DeWITT DRYWALL AND PAINTING LTD. | — | 511662 | — | Dissolved | |
| DeWit Home Improvements | — | 748838 | — | Active | |
| DeWitt Agro Inc. | — | 706447 | — | Dissolved | |
| DeWolfe Restaurant | — | 606470 | — | Dissolved | |
| Dea Rose Swimwear | — | 693866 | — | Dissolved | |
| Dea Rose Swimwear Ltd. | — | 700842 | — | Dissolved | |
| Deaction Investment Limited Partnership | — | 778728 | — | Active | |
| Dead Dino Gaming | — | 695323 | — | Dissolved | |
| Dead Dino Gaming Inc. | — | 696128 | — | Dissolved | |
| Dead End Lures Inc. | — | 735162 | — | Dissolved | |
| Dead Tree Tattoo and Piercing | — | 675010 | — | Dissolved | |
| Deakin’s Digital Notebook | — | 710897 | — | Dissolved | |
| Deal NB | — | 763194 | — | Active | |
| Dealectronics Online | — | 662052 | — | Dissolved | |
| Dealer Inspire | — | 753299 | — | Active | |
| Dealer Inspire Solutions Canada | — | 753300 | — | Active | |
| Dealer Services International | — | 671840 | — | Active | |
| Dealer Tire Canada | — | 647438 | — | Dissolved | |
| Dealer Tire Canada | — | 656071 | — | Dissolved | |
| Dealer Tire Canada ULC | — | 649486 | — | Dissolved | |
| Dealer eBDC Corp. | — | 759740 | — | Pending | |
| DealerTrack Canada | — | 700841 | — | Dissolved | |
| DealerTrack Canada, Inc. | — | 637211 | — | Merged | |
| DealerTrack Canada, Inc. | — | 656142 | — | Merged | |
| Dealermine Inc. | — | 40984 | — | Merged | |
| Dealermine Inc. | — | 636181 | — | Active | |
| Dealersure | — | 717164 | — | Active | |
| Dealertrack Canada | — | 744986 | — | Active | |
| Dealertrack Canada, Inc. | — | 77868 | — | Merged | |
| Dean & Thompson Wellness Inc. | — | 730330 | — | Active | |
| Dean Askin Creative | — | 768607 | — | Active | |
| Dean Family Regenerative Farms | — | 724730 | — | Pending | |
| Dean G Mullin Professional Corp. | — | 697861 | — | Active | |
| Dean Graham Construction | — | 709591 | — | Active | |
| Dean M. Brown (Eng. Design) | — | 765063 | — | Active | |
| Dean Murphy Home Renos | — | 635004 | — | Active | |
| Dean Tilley Renos | — | 660550 | — | Dissolved | |
| Dean Yeomans Electric | — | 657793 | — | Dissolved | |
| Dean's Doggy Details | — | 719259 | — | Pending | |
| Dean's Floor & More Cleaning | — | 699384 | — | Pending | |
| Dean's Seaside Escape | — | 774643 | — | Active | |
| DeanMark Holdings Ltd. | — | 653781 | — | Dissolved | |
| Deano's Auto Repair Inc. | — | 661064 | — | Dissolved | |
| Dear Luna Rose Photography | — | 719730 | — | Pending | |
| Dear teddy collective | — | 772320 | — | Active | |
| Dearborn Merchant Services Inc. | — | 611851 | — | Merged | |
| Dearing Media | — | 729472 | — | Active | |
| Dearing Publications Inc. | — | 613477 | — | Dissolved | |
| Death row custom cycles | — | 752767 | — | Active | |
| Deauville Services Limited | — | 647146 | — | Dissolved | |
| Deb's Baby Dog day care and Boarding | — | 704701 | — | Dissolved | |
| Deb's Delights | — | 734791 | — | Active | |
| Debbi J Promotions | — | 633473 | — | Dissolved | |
| Debbi J. Promotions Inc. | — | 655276 | — | Dissolved | |
| Debbie Adshade Music | — | 610812 | — | Dissolved | |
| Debbie E. Blais Nutrition Consulting | — | 620246 | — | Dissolved | |
| Debbie Grant Real Estate Ltd. | — | 708380 | — | Active | |
| Debbie LeBlanc Consulting | — | 735549 | — | Active | |
| Debbie's Cleaning Services | — | 674816 | — | Dissolved | |
| Debbie's Convenience Ltd. | — | 679090 | — | Dissolved | |
| Debbie's Esthetics & Aromatherapy | — | 620216 | — | Dissolved | |
| Debby's Cutting Corner | — | 600661 | — | Dissolved | |
| Debec Community Access Centre Inc. | — | 25598 | — | Dissolved | |
| Debec General Store 2019 Inc. | — | 708102 | — | Active | |
| Debit Paper Direct | — | 686037 | — | Dissolved | |
| Debly Family Cemetery Co. Ltd. | — | 722396 | — | Active | |
| Deborah Johnson Design Ltd. | — | 704160 | — | Dissolved | |
| Deborah M. Power Professional Corporation | — | 667654 | — | Dissolved | |
| Deborah's Custom Creations | — | 660445 | — | Dissolved | |
| Debosselage Rocheville | — | 655343 | — | Dissolved | |
| Debra Bourque Consulting & Counselling Inc. | — | 515704 | — | Dissolved | |
| Debra Downing Consulting | — | 681060 | — | Dissolved | |
| Debra M Davies Enterprises | — | 627453 | — | Dissolved | |
| Debra Quartermain Design | — | 691735 | — | Active | |
| Debra's Jewels & Collectibles | — | 685408 | — | Dissolved | |
| Debrah's Paint Store | — | 680618 | — | Pending | |
| Debro Chemicals | — | 652785 | — | Dissolved | |
| Debro Pharma Inc. | — | 652701 | — | Dissolved | |
| Debs Grocery Delivery Service | — | 716961 | — | Dissolved | |
| Debt Guardian Services Inc. | — | 778356 | — | Active | |
| Debug Computers | — | 353282 | — | Dissolved | |
| Debut Computer Services | — | 347123 | — | Dissolved | |
| Debway 2000 Ltd. | — | 701261 | — | Active | |
| DecLariat Solutions | — | 620923 | — | Dissolved | |
| Decadence Fine Baked Goods | — | 664928 | — | Active | |
| Decal Diva Designs | — | 693532 | — | Dissolved | |
| Decal Messages | — | 705133 | — | Dissolved | |
| Decal Queen | — | 726478 | — | Pending | |
| Decarb Technology Inc. | — | 764008 | — | Active | |
| DecenTerra Group | — | 777677 | — | Active | |
| DecenTrade | — | 706178 | — | Dissolved | |