| Postmedia Parcel Services | — | 735668 | — | Active | |
| Postmedia Studios | — | 777108 | — | Active | |
| Postpartum Support Fredericton | — | 742193 | — | Active | |
| Pot Luck Fisheries Inc. | — | 666182 | — | Active | |
| Potable Solutions Inc. | — | 623017 | — | Dissolved | |
| PotashCorp Civic Centre | — | 644705 | — | Dissolved | |
| Potato Chip Math Creations | — | 732781 | — | Active | |
| Potato Lane Vegetables | — | 717788 | — | Dissolved | |
| Potent Interactive | — | 633919 | — | Dissolved | |
| Potentia NB GP Inc. | — | 711101 | — | Active | |
| Potentia NB LP | — | 711132 | — | Active | |
| Poterie Shanie Stozek Pottery | — | 644234 | — | Dissolved | |
| Pots and Pants Tavern Inc. | — | 754391 | — | Pending | |
| Potter & Clein Retail Outlet | — | 684748 | — | Dissolved | |
| Potters Lane Custom Landscape Design | — | 733608 | — | Active | |
| Potters in Crime | — | 743358 | — | Active | |
| Pottier Holdings Inc. | — | 721983 | — | Merged | |
| Pottle Clayworks | — | 615720 | — | Dissolved | |
| Pottruff & Smith Insurance Brokers | — | 650540 | — | Dissolved | |
| Poulet Frit Lamèque Limitée | — | 630939 | — | Active | |
| Poulin Holdings Ltd. | — | 640888 | — | Active | |
| Poultry Insurance Exchange Reciprocal of Canada Fonds d'échange d'assurance avicole réciproque du Canada | — | 640085 | — | Dissolved | |
| Poupart Fire and Safety Consulting | — | 718532 | — | Dissolved | |
| Poupart Fire and Safety Consulting Inc. | — | 721335 | — | Dissolved | |
| Pour ELLE esthetique par Rachelle Collette | — | 681373 | — | Dissolved | |
| Pour Investments Ltd. | — | 688667 | — | Active | |
| Pourshins Canada Inc. | — | 679207 | — | Active | |
| Pourvoirie CAMO | — | 651457 | — | Dissolved | |
| Pourvoirie Rivière De l'orme | — | 346654 | — | Dissolved | |
| Poutine Palace Ltd. | — | 693903 | — | Dissolved | |
| Powder Rangers | — | 747222 | — | Active | |
| Powell Associates Ltd. | — | 654314 | — | Active | |
| Powell Seafood Consulting | — | 656550 | — | Dissolved | |
| Power Advisory Canada Ltd. | — | 644269 | — | Active | |
| Power Contracting & Renovations | — | 610066 | — | Dissolved | |
| Power Dawg | — | 670788 | — | Dissolved | |
| Power Engineers Canada, Inc. | — | 680203 | — | Withdrawn | |
| Power Engineers Canada, Inc. | — | 676371 | — | Merged | |
| Power Farm | — | 353520 | — | Dissolved | |
| Power Food Consulting, Inc. | — | 666572 | — | Merged | |
| Power HR Inc. | — | 702698 | — | Active | |
| Power House Service and Sales Inc. | — | 637170 | — | Dissolved | |
| Power Investors Inc. | — | 667099 | — | Dissolved | |
| Power Lift Services Inc. | — | 760932 | — | Active | |
| Power Line Technologies International | — | 659296 | — | Dissolved | |
| Power Outage Number | — | 729598 | — | Active | |
| Power Pig Productions | — | 611233 | — | Dissolved | |
| Power Play Academy Moncton Campus Inc. | — | 698958 | — | Active | |
| Power Play Holdings Inc. | — | 727106 | — | Active | |
| Power Plus Technology Inc. | — | 761003 | — | Active | |
| Power Plus Tool Repair | — | 712062 | — | Active | |
| Power Plus Tool Sales & Service | — | 710224 | — | Dissolved | |
| Power Plus Tool Sales & Service | — | 712061 | — | Dissolved | |
| Power Pro Contracting Services | — | 759231 | — | Active | |
| Power Pull Trucking Inc. | — | 702269 | — | Active | |
| Power Sounds - Sounds That Give You The Power To Read | — | 349957 | — | Dissolved | |
| Power Trip Logging LTD | — | 605873 | — | Active | |
| Power Trip Ventures Ltd. | — | 625959 | — | Active | |
| Power Trucking and Snow Removal | — | 349495 | — | Dissolved | |
| Power Trucking and Snow Removal Inc. | — | 626471 | — | Dissolved | |
| Power Vac (N.B.) | — | 687686 | — | Active | |
| Power Vac N.B. Inc. | — | 55763 | — | Withdrawn | |
| Power Vac N.B. Ltd. | — | 39452 | — | Dissolved | |
| Power and Water Solutions | — | 671837 | — | Active | |
| Power of Touch Therapeutic Clinic | — | 353057 | — | Dissolved | |
| Power to the People | — | 602764 | — | Dissolved | |
| Power-Wash Equipment Company (1996) Inc. | — | 761651 | — | Merged | |
| PowerJet Pressure Cleaning Systems | — | 675949 | — | Active | |
| PowerKlean Mobile Wash Inc. | — | 735588 | — | Active | |
| PowerQ Technologies Inc. | — | 753744 | — | Pending | |
| PowerShares | — | 693731 | — | Active | |
| PowerShares Canada | — | 660330 | — | Active | |
| PowerUp Leadership | — | 716989 | — | Active | |
| Powered By An Extra Chromosome Promotions | — | 669404 | — | Dissolved | |
| Powered Paragliding New Brunswick Inc. | — | 620970 | — | Dissolved | |
| Powered Potential Coaching & Consulting | — | 733242 | — | Active | |
| Powerfit Strength Training and Consulting | — | 600905 | — | Dissolved | |
| Powering the Future Consulting | — | 766614 | — | Active | |
| Powerland Computers | — | 777519 | — | Active | |
| Powerplay Daycare | — | 675339 | — | Dissolved | |
| Powers Bros. Inc. | — | 644502 | — | Dissolved | |
| Powers Brown Architecture of Canada Atlantic Inc. | — | 768259 | — | Active | |
| Powers Garage Auto Sales Inc. | — | 780200 | — | Active | |
| Powers Jewellery Inc. | — | 632208 | — | Active | |
| Powers Plumbing Inc. | — | 761284 | — | Active | |
| Powers Ventures Ltd. | — | 512635 | — | Dissolved | |
| Powertech Welding Inc. | — | 674344 | — | Dissolved | |
| Pozzolo Law | — | 755215 | — | Active | |
| Poêle Dave Doucett Stoves Ltée/Ltd. | — | 510159 | — | Active | |
| Poêles & Foyers Nord-Est Ltée | — | 619185 | — | Dissolved | |
| Prabhat K. Sinha M.D. Professional Corporation | — | 646771 | — | Active | |
| Practical Bookkeeping & Payroll Inc. | — | 724601 | — | Active | |
| Practical Building Solutions | — | 647113 | — | Active | |
| Practical Business Solutions Inc. | — | 651116 | — | Dissolved | |
| Practical Home Services | — | 350232 | — | Active | |
| Practical PC | — | 348782 | — | Dissolved | |
| Practical Plumbing | — | 735246 | — | Active | |
| Practical Supervision Services | — | 673041 | — | Dissolved | |
| Practically Speaking | — | 665120 | — | Active | |
| Practicar Systems Inc. | — | 608807 | — | Dissolved | |
| Practice Readers Books | — | 726440 | — | Pending | |
| Practice Solutions | — | 622215 | — | Dissolved | |
| Practice Solutions | — | 622220 | — | Dissolved | |
| Practice Solutions | — | 623410 | — | Dissolved | |
| Practice Solutions Consulting | — | 623411 | — | Dissolved | |
| Practice Solutions Ltd. / Solutions cliniques Ltée | — | 642534 | — | Merged | |
| Practice Solutions Ltd. / Solutions cliniques Ltée | — | 636050 | — | Merged | |
| Practice Solutions Ltd. Solutions cliniques Ltée | — | 623409 | — | Merged | |
| Practice Solutions Web Services Inc. Solutions cliniques-Services Web Inc. | — | 622214 | — | Merged | |
| Prada Canada Corp. | — | 662501 | — | Active | |
| Prado Forestry Inc. | — | 755583 | — | Active | |
| Pragmantis Group Inc. | — | 679650 | — | Dissolved | |
| Pragmatic Pension and Benefit Solutions | — | 774235 | — | Active | |
| Pragmatic Support Services (2020) Ltd. | — | 717446 | — | Dissolved | |
| Prairie House Publishing | — | 345356 | — | Dissolved | |
| Prairie Oxygen | — | 755435 | — | Active | |
| Prairie Oxygen Ltd. | — | 751699 | — | Merged | |
| Prairie Telegraph Digital Marketing | — | 695392 | — | Dissolved | |
| PrairiePulse AI Inc. | — | 770127 | — | Active | |
| Praise Foods Canada | — | 776935 | — | Active | |
| Pramukh96 Inc. | — | 708647 | — | Active | |
| Prana Hot Yoga Inc. | — | 754446 | — | Active | |
| Prana Natura Soins en Naturopathie | — | 761485 | — | Active | |
| PranaFire Wellness Group Inc. | — | 757646 | — | Dissolved | |
| PranaSanté | — | 777597 | — | Active | |
| Prankerd Ltd. | — | 515565 | — | Dissolved | |
| Pratiko Voyage | — | 673071 | — | Dissolved | |
| Pratt Lambert & Brown Insurance | — | 656382 | — | Dissolved | |
| Pratt Land & Cattle | — | 772432 | — | Active | |
| Pratte-Morrissette Inc. | — | 77054 | — | Dissolved | |
| Pratte-Morrissette Inc. | — | 76802 | — | Merged | |
| Pratte-Morrissette Inc. | — | 76656 | — | Merged | |
| Praveen & Associates CPA PC Inc. | — | 764205 | — | Active | |
| Praxair | — | 733825 | — | Active | |
| Praxair Healthcare Services | — | 733826 | — | Active | |
| Praxial Corporation | — | 777448 | — | Active | |
| Praxio Group Inc. | — | 683855 | — | Active | |
| Praxis Counselling Services | — | 607259 | — | Dissolved | |
| Pray & Slay Designs | — | 723192 | — | Pending | |
| Pray Farms Ltd. | — | 608702 | — | Active | |
| Prayeramedic Inc. | — | 613992 | — | Dissolved | |
| PreCon Erection Limited | — | 715070 | — | Active | |
| PreCon Precast Limited | — | 715071 | — | Active | |
| Preaching of the Cross Ministeries | — | 344597 | — | Dissolved | |
| Precious Creations Fine Craft Design | — | 620826 | — | Dissolved | |
| Precious Gems Play Centre | — | 640409 | — | Dissolved | |
| Precious Little Ones Daycare Inc. | — | 752016 | — | Active | |
| Precious Memories Fine China, Gifts & Collectibles Inc. | — | 620807 | — | Dissolved | |
| Precious Paws | — | 602786 | — | Dissolved | |
| Precious Pig Systems and Consulting Incorporated | — | 666421 | — | Dissolved | |
| Precious Plastics Saint John Ltd. | — | 708883 | — | Dissolved | |
| Precious Pooches Grooming Services | — | 635686 | — | Dissolved | |
| Precious Stamping | — | 706920 | — | Dissolved | |
| Precious TO YOU Dog Grooming | — | 611820 | — | Dissolved | |
| Precious Wear | — | 616905 | — | Dissolved | |
| Precise Planning & Analysis | — | 345912 | — | Dissolved | |
| Precise Planning & Analysis | — | 623284 | — | Dissolved | |
| Precise Planning & Analysis | — | 696800 | — | Dissolved | |
| Precisely Drost Bookkeeping and Advisory Inc. | — | 778070 | — | Active | |
| Precision Architectural Drafting & Design | — | 729469 | — | Active | |
| Precision Backflow Solutions | — | 752912 | — | Active | |
| Precision CD Resurfacing Technologies | — | 348187 | — | Dissolved | |
| Precision Dent Repair | — | 696633 | — | Active | |
| Precision Developments Ltd. | — | 728061 | — | Active | |
| Precision Document Management | — | 662148 | — | Dissolved | |
| Precision Drilling | — | 352977 | — | Dissolved | |
| Precision Drilling Corporation | — | 611008 | — | Dissolved | |
| Precision Drilling Ltd. | — | 620527 | — | Merged | |
| Precision Drilling Technology Services Group Inc. | — | 606399 | — | Merged | |
| Precision Drivers Education | — | 626075 | — | Active | |
| Precision Dustless Hardwood Floors | — | 673597 | — | Dissolved | |
| Precision Earthworks | — | 771100 | — | Active | |
| Precision Envelope Sealing | — | 770963 | — | Active | |
| Precision Environmental Services Inc. | — | 688267 | — | Dissolved | |
| Precision Fabricating Equipment Inc. | — | 608091 | — | Dissolved | |
| Precision Facility Service | — | 653831 | — | Dissolved | |
| Precision Facility Services Inc. | — | 672290 | — | Dissolved | |
| Precision Finish Carpentry | — | 611325 | — | Dissolved | |
| Precision Finish Carpentry Inc. | — | 643555 | — | Active | |
| Precision Flooring Inc. | — | 776314 | — | Active | |
| Precision Food Group Ltd. | — | 602833 | — | Active | |
| Precision Foot Care Inc. | — | 746642 | — | Active | |
| Precision Forestry | — | 630629 | — | Dissolved | |
| Precision Hardwood Milling | — | 348513 | — | Dissolved | |
| Precision Heavy Duty Parts Inc. | — | 770682 | — | Active | |
| Precision Home Inspection | — | 624312 | — | Dissolved | |
| Precision Home Inspection Inc. | — | 626671 | — | Dissolved | |
| Precision Intercept | — | 692532 | — | Dissolved | |
| Precision Land Clearing Ltd. | — | 737705 | — | Merged | |
| Precision Land Clearing Ltd. | — | 779436 | — | Active | |
| Precision Learning | — | 696481 | — | Dissolved | |
| Precision Limited Partnership | — | 676936 | — | Active | |
| Precision Limited Partnership | — | 400608 | — | Dissolved | |
| Precision Motorsports | — | 719926 | — | Pending | |
| Precision Nuclear Inc. | — | 608730 | — | Dissolved | |
| Precision Office Assemblies Inc. | — | 691924 | — | Dissolved | |
| Precision Overhead Doors Ltd. | — | 766121 | — | Active | |
| Precision Painting | — | 617572 | — | Dissolved | |
| Precision Pilates | — | 660835 | — | Pending | |
| Precision Plasma & Sputtering Ltd. | — | 686355 | — | Active | |