| Company | Location | Certifications | License # |
|---|---|---|---|
| 911 Cleanup Llc | Greensboro, NC | Installer (Level II) | 15443 |
| A & B Septic Services Inc | Greensboro, NC | Installer (Level IV)Inspector | 4184 |
| A To Z Outdoors Llc | Greensboro, NC | Installer (Level II) | 14254 |
| Adam Modlin | High Point, NC | Installer (Level II) | 15035 |
| Alfred Figueroa | Greensboro, NC | Installer (Level II) | 15208 |
| Anderson Plumbing | Kernersville, NC | Installer (Level IV)Inspector | 7328 |
| Anderson Plumbing | Kernersville, NC | Installer (Level II) | 7329 |
| Assurance Home Inspections | Greensboro, NC | Inspector | 14019I |
| Assurance Home Inspections | Greesnboro, NC | Inspector | 11862I |
| Assurance Home Inspections | Greensboro, NC | Inspector | 11939I |
| Assurance Home Inspections | Greensboro, NC | Inspector | 11887I |
| Assurance Home Inspections | Greensboro, NC | Inspector | 15039I |
| Better Choice Grease Trap Pumping | Pleasant Garden, NC | Installer (Level II)Inspector | 7076 |
| Billy Justin Miller | Jamestown, NC | Installer (Level IV) | 11526 |
| Brent Spencer | Greensboro, NC | Installer (Level IV) | 12048 |
| Carter White Brand Llc | High Point, NC | Installer (Level II) | 7919 |
| Carter White Brand Llc | High Point, NC | Installer (Level II) | 9839 |
| Clapp'S Environmental Services | Julian, NC | Installer (Level IV) | 11402 |
| Clapps Environmental Services Inc | Julian, NC | Installer (Level IV) | 2693 |
| Coast Building Solutions | Burlington, NC | Installer (Level II) | 15306 |
| Coast Building Solutions | Burlington, NC | Installer (Level II) | 15307 |
| Collins & Lineberry Construction | Liberty, NC | Installer (Level IV) | 11933 |
| Daks Earth Works Inc | Liberty, NC | Installer (Level II) | 11016 |
| Dba Septic Solutions | Oak Ridge, NC | Installer (Level IV) | 11638 |
| Decker Septic Inc | Summerfield, NC | Installer (Level IV)Inspector | 1061 |
| Do Dreams Inc | High Point, NC | Installer (Level IV) | 13017 |
| Donahue Septic Tank | Mcleansville, NC | Installer (Level IV)Inspector | 2701 |
| Dream Homes Unlimited & Excavating | Oak Ridge, NC | Installer (Level IV) | 12038 |
| Driggers Pumping Service | Trinity, NC | Installer (Level IV)Inspector | 4108 |
| Drip Doctors Plumbing & Excavation | Germanton, NC | Installer (Level IV) | 11260 |
| Eco-Environmental Management Llc | Kernersville, NC | Installer (Level IV)Inspector | 6902 |
| Eco-Environmental Management Llc | Kernersville, NC | Installer (Level IV)Inspector | 6903 |
| Gate City Foundation Drainage | Greensboro, NC | Installer (Level II)Inspector | 9741 |
| Gm Home Improvements Llc | Kernersville, NC | Installer (Level II) | 11969 |
| Grabe Plumbing Llc | Pleasant Garden, NC | Installer (Level II) | 14047 |
| Hawkins Backhoe & Septic | Whitsett, NC | Installer (Level IV)Inspector | 3801 |
| Hawkins Backhoe And Septic | Whitsett, NC | Installer (Level II) | 15014 |
| Hawkins Backhoe And Septic | Whitsett, NC | Installer (Level II) | 15015 |
| I Know A Guy Skid Steer Services | Whitsett, NC | Installer (Level II) | 14826 |
| Jason L Young | Pleasant Garden, NC | Installer (Level II) | 9951 |
| Jenkins Waste | Brown Summit, NC | Installer (Level II) | 14255 |
| Meredith & Obryant Septic Tank | High Point, NC | Installer (Level IV) | 1857 |
| Michael Curtis Young | High Point, NC | Installer (Level II) | 9332 |
| New Horizons Home Inspection | Greensboro, NC | Inspector | 13028I |
| Optimal Home Llc | Gibsonville, NC | Installer (Level II) | 11803 |
| Overbey'S Septic Tank Inc | Mcleansville, NC | Installer (Level IV)Inspector | 1143 |
| Overbeys Septic | Mcleansville, NC | Installer (Level II) | 12053 |
| Overbeys Septic Tank | Mcleansville, NC | Inspector (Private Compliance Inspector) | 30002PCI |
| P3 Plumbing Llc | Stokesdale, NC | Installer (Level II) | 11528 |
| Piedmont Environmental Associates | Greensboro, NC | Installer (Level II) | 15334 |
| Piedmont Environmental Associates Pa | Lexington, NC | Designer (Soil Evaluator) | 10026E |
| Piedmont Environmental Associates Pa | Greensboro, NC | Designer (Soil Evaluator) | 10008E |
| Piedmont Environmental Associates Pa | Greensboro, NC | Designer (Soil Evaluator) | 10045E |
| Piedmont Environmental Associates Pa | Greensboro, NC | Designer (Soil Evaluator) | 10038E |
| Piedmont Environmental Associates Pa | Greensboro, NC | Designer (Soil Evaluator) | 10009E |
| Piedmont Environmental Associates, Pa | Greensboro, NC | Inspector | 3903I |
| Pinpoint Grading & Site Development | Stokesdale, NC | Installer (Level II) | 14824 |
| Pit Busters Llc | Greensboro, NC | Installer (Level II) | 14885 |
| Precise Outdoor Services Llc | Greensboro, NC | Installer (Level II) | 15031 |
| Roto Rooter | Greensboro, NC | Installer (Level II) | 14570 |
| Solid Concrete And Grading Llc | High Point, NC | Installer (Level II) | 15175 |
| T-Square Development Llc | Greensboro, NC | Installer (Level IV)Inspector | 6822 |
| Triad Nc Construction Llc | Greensboro, NC | Installer (Level II) | 11753 |
| Triad Septic Solutions Llc | Greensboro, NC | Inspector | 11141I |
| Wall To Wall Inspections Llc | Greensboro, NC | Inspector | 11902I |
65 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in Guilford County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
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