| Company | Location | Certifications | License # |
|---|---|---|---|
| Adrian Plumbing Llc | Adrian, MO | Installer (Level Advanced) | 30023 |
| Advanced Septic Services | Harrisonville, MO | Installer (Level Advanced) | 39465 |
| Agco Services Llc | Pleasant Hill, MO | Installer (Level Basic) | 38583 |
| Akins Plumbing And Mechanical Llc | Creighton, MO | Installer (Level Advanced) | 36211 |
| Andersen Ditching, Llc | Harrisonville, MO | Installer (Level Advanced) | 33186 |
| Apex Underground Llc | Peculiar, MO | Installer (Level Advanced) | 38025 |
| Barnes Trading Company | Strafford, MO | Installer (Level Basic) | 35567 |
| Browns Const Co | Paola, MO | Installer (Level Advanced) | 39067 |
| Cb Excavation And Concrete | Pleasanton, MO | Installer (Level Basic) | 39320 |
| Chapman Septic Service Llc | Independence, MO | Installer (Level Advanced) | 38839 |
| Dabbs Concrete & Construction Llc | El Dorado Springs, MO | Installer (Level Advanced) | 38228 |
| Danyelle Parrish | Holden, MO | Installer (Level Advanced) | 39433 |
| Devon Snyder | — | Installer (Level Basic) | 38576 |
| Dmg Mechanical Llc | Clinton, MO | Installer (Level Advanced) | 38308 |
| Drew’S Excavating Services | Peculiar, MO | Installer (Level Advanced) | 37925 |
| Environmental Resolutions | Raymore, MO | Installer (Level Advanced) | 31017 |
| Epic Plumbing Llc | Pleasant Hill, MO | Installer (Level Basic) | 39076 |
| Fennewald Plumbing | Appleton City, MO | Installer (Level Basic) | 33556 |
| Fischers Plumbing | Butler, MO | Installer (Level Basic) | 39138 |
| Gash Plumbing, Llc | Higginsville, MO | Installer (Level Advanced) | 32392 |
| Ginter'S Lawn & Landscape Llc | Lee'S Summit, MO | Installer (Level Basic) | 38815 |
| Griggs Gutter And Construction | Pleasant Hill, MO | Installer (Level Basic) | 38930 |
| Heathman Contracting Llc | Osceola, MO | Installer (Level Advanced) | 37674 |
| Hennemann'S Dirt Work And Consulting Llc | Clinton, MO | Installer (Level Advanced) | 39456 |
| Iplumbkc | Lee Summit, MO | Installer (Level Basic) | 39379 |
| Jay Heaper Construction Llc | Garden City, MO | Installer (Level Basic) | 38701 |
| Jcm Plumbing And Drain | Harrisonville, MO | Installer (Level Basic) | 38195 |
| Jcm Plumbing And Drain | Harrisonville, MO | Installer (Level Advanced) | 38207 |
| Jerry Wallander And Son Excavating | Garden City, MO | Installer (Level Advanced) | 39437 |
| Jon Parris Backhoe | Pleasant Hill, MO | Installer (Level Advanced) | 31034 |
| Jones & Sons Septic, Llc | Harrisonville, MO | Installer (Level Basic) | 38874 |
| Jones & Sons Septic, Llc | Harrisonville, MO | Installer (Level Basic) | 38870 |
| Kevin Ginnings Plumbing Service | Harrisonville, MO | Installer (Level Advanced) | 34922 |
| Kimbrough'S Construction, Inc | Drexel, MO | Installer (Level Advanced) | 35914 |
| Kwe Bryant Construction Inc. | Garden City, MO | Installer (Level Advanced) | 39482 |
| Larry D Strate Plumbing Tri Rrr Construction | Holden, MO | Installer (Level Basic) | 37222 |
| Leonard'S Backhoe & Trenching Llc | Blairstown, MO | Installer (Level Basic) | 33171 |
| Owts Solutions Llc | Peculiar, MO | Installer (Level Advanced) | 36981 |
| Parks Builders Llc | Drexel, MO | Installer (Level Advanced) | 36580 |
| Pete Slayden Excavating | Garden City, MO | Installer (Level Advanced) | 39512 |
| Plaza Electric Construction Llc | Kansas City, MO | Installer (Level Advanced) | 39135 |
| R G A Quality Construction | Harrisonville, MO | Installer (Level Basic) | 38858 |
| R&R Plumbing | Harrisonville, MO | Installer (Level Advanced) | 39471 |
| R&R Plumbing, Inc. | Harrisonville, MO | Installer (Level Advanced) | 39464 |
| Reasoner Grading Llc | Creighton, MO | Installer (Level Advanced) | 37933 |
| Rk Laxague Llc Dba Inspect Mo Homes & Services | Clinton, MO | Installer (Level Advanced) | 38847 |
| Robert Schumacher Enterprises | Creighton, MO | Installer (Level Advanced) | 39204 |
| Robert Schumacher Enterprises, Llc | Creighton, MO | Installer (Level Advanced) | 32376 |
| Robert Steward Construction, Llc | Clinton, MO | Installer (Level Advanced) | 33202 |
| Rogers Dozing & Excavating | Holden, MO | Installer (Level Advanced) | 38806 |
| Savage Excavation & Services Llc | Kansas City, MO | Installer (Level Basic) | 39328 |
| Septic Kings | Oak Grove, MO | Installer (Level Basic) | 39554 |
| Shields Property Maintenance Llc | Clinton, MO | Installer (Level Advanced) | 38338 |
| Solid Ground Excavating Llc | Lacygne, MO | Installer (Level Advanced) | 36958 |
| Timberline Contracting | Clinton, MO | Installer (Level Basic) | 38905 |
| Tru Blue Llc | Grandview, MO | Installer (Level Basic) | 38595 |
| Tru Blue Llc | Grandview, MO | Installer (Level Basic) | 38596 |
| Truninger Bros Llc | Pleasant Hill, MO | Installer (Level Basic) | 31963 |
| Truninger Bros Llc | Pleasant Hill, MO | Installer (Level Basic) | 31983 |
| Twin Springs Pump Services Llc | Belton, MO | Installer (Level Advanced) | 39486 |
| Wilcox Septic Solutions | Grain Valley, MO | Installer (Level Advanced) | 33565 |
| Willey & Sons Excavating Llc | Cleveland, MO | Installer (Level Advanced) | 38796 |
| Willey &Sons Excavating Llc | Cleveland, MO | Installer (Level Advanced) | 38791 |
63 companies in the Missouri DHSS registered OWTS installer list are based in Bates County as of 2026-07-23. Companies based elsewhere in Missouri also commonly serve the county.
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