| Company | Location | Certifications | License # |
|---|---|---|---|
| Adrian Construction Llc | Springfield, MO | Installer (Level Advanced) | 38908 |
| Brake Building & Development Inc. | Fair Grove, MO | Installer (Level Basic) | 37826 |
| Burl Huey Landscaping & Excavating Llc | Brookline, MO | Installer (Level Advanced) | 38786 |
| Carthage Heat & Air | Sarcoxie, MO | Installer (Level Advanced) | 37908 |
| K Southard, Inc. | Joplin, MO | Installer (Level Basic) | 32808 |
| Kacie E. Burks | Willard, MO | Installer (Level Basic) | 38689 |
| Mules Dirt Work | Crane, MO | Installer (Level Advanced) | 36855 |
| Shantz Fencing & Dozing | Buffalo, MO | Installer (Level Advanced) | 35932 |
| White Plumbing Company | Springfield, MO | Installer (Level Advanced) | 38467 |
9 companies in the Missouri DHSS registered OWTS installer list are based in Greene County as of 2026-07-23. Companies based elsewhere in Missouri also commonly serve the county.
Tell us what you need — we'll connect you with state-certified companies serving your area. No obligation.