| Company | Location | Certifications | License # |
|---|---|---|---|
| 3 Bears Pme Llc | Linville, NC | Installer (Level II) | 5404 |
| Adam Stafford | Newland, NC | Installer (Level II) | 14714 |
| Avery Grading Inc | Plumtree, NC | Installer (Level II) | 5704 |
| Beam Construction, Nc, Inc | Elk Park, NC | Installer (Level II) | 5600 |
| Ben Benfield Excavating | Crossnore, NC | Installer (Level II) | 5031 |
| Bradley Nix | Marshall, NC | Installer (Level II) | 11960 |
| Bradley R Yates | Newland, NC | Installer (Level II) | 4555 |
| Bryan Harmon | Linville Falls, NC | Installer (Level II) | 14622 |
| Bryn Jenkins | Linville Falls, NC | Installer (Level II)Inspector | 11209 |
| Burleson Trucking & Grading | Newland, NC | Installer (Level II) | 3376 |
| Churchs Backhoe Service | Newland, NC | Installer (Level II)Inspector | 2957 |
| David Jennings Excavating Co Inc | Plumtree, NC | Installer (Level II) | 5279 |
| Dc Aitch Llc | Plumtree, NC | Installer (Level IV) | 11478 |
| Devin Grindstaff Grading Llc | Newland, NC | Installer (Level II) | 9699 |
| Eddie Johnson And Son | Bakersville, NC | Installer (Level II) | 14630 |
| Eggers Construction Co | Banner Elk, NC | Installer (Level II) | 3967 |
| Forbes Excavating Inc | Newland, NC | Installer (Level II) | 2834 |
| Gilliam Construction Co Inc | Banner Elk, NC | Installer (Level II) | 2846 |
| Gilliam Construction Co Inc | Banner Elk, NC | Installer (Level II) | 2845 |
| Green Life Lawn Maintenance | Newland, NC | Installer (Level II) | 9868 |
| J & H Excavating | Banner Elk, NC | Installer (Level II) | 5402 |
| Jerry Clawson | Elk Park, NC | Installer (Level IV) | 11858 |
| Jhg Excavating Llc | Elk Park, NC | Installer (Level II) | 11676 |
| Laurel Creek Earthworks Llc | Pineola, NC | Installer (Level II) | 9666 |
| Laws Brothers Const | Elk Park, NC | Installer (Level II) | 4618 |
| Lp Outdoor Services | Benner Elk, NC | Installer (Level II) | 15139 |
| Lucas Gwyn | Banner Elk, NC | Installer (Level II) | 11256 |
| M & E Excavating Inc | Banner Elk, NC | Installer (Level IV)Inspector | 2830 |
| M C Const & Dev | Pineola, NC | Installer (Level IV) | 3606 |
| Mc Construction & Development | Pineola, NC | Installer (Level IV) | 5068 |
| Miller Hauling & Grading Inc | Banner Elk, NC | Installer (Level IV) | 4670 |
| Norman Woodie | Newland, NC | Installer (Level II) | 15428 |
| Palatucci Custom Properties | Linville, NC | Installer (Level II) | 15160 |
| Phillip Condrey Construction | Newland, NC | Installer (Level II) | 5675 |
| Phillips Grading Inc | Spruce Pine, NC | Installer (Level IV)Inspector | 2428 |
| Randy Burleson Trucking & Grading Inc | Newland, NC | Installer (Level II) | 6814 |
| Rc Excavating | Banner Elk, NC | Installer (Level II) | 11072 |
| Reading Solutions | Sugar Grove, NC | Installer (Level II) | 14905 |
| Rustic Home Builders | Newland, NC | Installer (Level II) | 14421 |
| S And W Construction | Banner Elk, NC | Installer (Level II) | 14758 |
| Taylor Construction | Newland, NC | Installer (Level II) | 6385 |
| Teaberry Construction | Elk Park, NC | Installer (Level IV)Inspector | 5688 |
| Teaberry Construction Inc | Elk Park, NC | Installer (Level IV) | 5689 |
| Todd Burleson Grading & Paving | Elk Park, NC | Installer (Level II) | 5490 |
| Trakwerx Llc | Newland, NC | Installer (Level II) | 15372 |
| Very Good Excavating Llc | Banner Elk, NC | Installer (Level II) | 5898 |
| W P Exterior Services Llc | Elk Park, NC | Installer (Level II) | 14683 |
| Western Carolina Lawns & Landscaping Inc | Newland, NC | Installer (Level II) | 9855 |
| Western Nc Maintenance | Benner Elk, NC | Installer (Level II) | 15384 |
| Wind River Environmental | Boone, NC | Installer (Level II) | 14707 |
50 companies in the NCOWCICB certified onsite wastewater contractor & inspector lists are based in Avery County as of 2026-07-23. Companies based elsewhere in North Carolina also commonly serve the county.
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