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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| P & S Septic Service | Rugby, ND | Pierce | Pumper (Class II) | NDSP007200 |
| Parlier Construction | Garrison, ND | — | Installer | — |
| PDQ Sanitary Services Inc | Grand Forks, ND | Grand Forks | Pumper (Class I) | NDSP007332 |
| Pearl Valley Oilfield Services & Rentals, LLC | Stanley, ND | Mountrail | Pumper (Class I) | NDSP007351 |
| Pederson Septic Service | Cando, ND | Towner | Pumper (Class I) | NDSP007356 |
| Pete's Gravel, Inc. | Crosby, ND | — | Installer | — |
| Peter & Sons Excavation LLC | Williston, ND | — | Installer | — |
| Picard Excavating Inc | Minot, ND | — | Installer | — |
| Pinky's Aggregates Inc. | Rolette, ND | Rolette | Pumper (Class I) | NDSP007317 |
| Pinnacle Seed Inc. DBA Hefty Seeds Co. | Mohall, ND | Bottineau | Pumper (Class I) | NDSP07402 |
| PLUMBING CO. McElwain Construction Inc | Max, ND | — | Installer | — |
| Prairie Excavation | Belfield, ND | — | Installer | — |
| Prairie View Excavating | Baldwin, ND | — | Installer | — |
| Prairie Winds Services, LLC | Williston, ND | — | Installer | — |
| Professional Pumping Services | Bismarck, ND | Burleigh | Pumper (Class II) | NDSP007274 |
| Pumping Diesel Dogs Trucking LLC | Fargo, ND | — | Installer | — |
| PWB's Poo Pickup | Minnewaukan, ND | Benson | Pumper (Class II) | NDSP007383 |
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