| Company | Location | Certifications | License # |
|---|---|---|---|
| Great Outdoors Septic | Arvilla, ND | Pumper (Class I) | NDSP007333 |
| HR Septic Solutions LLC | Northwood, ND | Pumper (Class II) | NDSP007360 |
| Knudson Septic Pumping LLC | Larimore, ND | Pumper (Class II) | NDSP07407 |
| M&K Portapotties | Grand Forks, ND | Pumper (Class I) | NDSP007320 |
| PDQ Sanitary Services Inc | Grand Forks, ND | Pumper (Class I) | NDSP007332 |
| Roto-Rooter-Grand Forks | Grand Forks, ND | Pumper (Class I) | NDSP007315 |
6 companies in the North Dakota DEQ licensed septic system installers and sanitary pumpers are based in Grand Forks County as of 2026-07-23. Companies based elsewhere in North Dakota also commonly serve the county.
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