Registered OWTS installers in Madison County, Missouri
50 companies on Missouri’s roster of registered onsite wastewater treatment system installers give Madison County as their address. A registered installer is a business the state has licensed for the work that installs onsite wastewater treatment systems.
- 3G Excavating LLC(573) 631-0603FarmingtonInstallerLicence expires May 31, 2028
- A & B Plumbing & Heating, Inc.(573) 431-7556Park HillsInstallerLicence expires February 28, 2026
- Accuro Services,LLC(314) 363-4793WentzvilleInstallerLicence expires December 31, 2027
- All Type Septic(573) 760-4734Valles MinesInstallerLicence expires October 31, 2026
- All Type Septic Pumping & Aeration LLC(573) 760-4734Valles MinesInstallerLicence expires January 31, 2027
- Benjamin R Zimmerman(573) 915-2353Doe RunInstallerLicence expires March 31, 2028
- Benoist Excavating LLC(573) 366-6113IrondaleInstallerLicence expires October 31, 2025
- Bio-Gard Inc(573) 442-0692ColumbiaInstallerLicence expires March 30, 2027
- Boren Contracting LLC(573) 330-3028Bonne TerreInstallerLicence expires November 30, 2025
- Chad's Septic & Backhoe Service LLC(573) 768-2045PerryvilleInstallerLicence expires July 31, 2028
- Clog Boss Drains and Septic(573) 482-0032Bonne TerreInstallerLicence expires July 31, 2026
- Courtney Construction LLC(417) 926-1479Mountain GroveInstallerLicence expires January 31, 2027
- Detring Septic Solutions LLC(573) 760-3993Park HillsInstallerLicence expires November 30, 2025
- DTR Farms LLC(573) 768-5617Marble HillInstallerSoil evaluatorLicence expires March 31, 2027
- Eddie Cook Enterprises(573) 450-4032Marble HillInstallerSoil evaluatorLicence expires November 30, 2025
- Eddie Cook's Excavating(573) 866-2546Marble HillInstallerLicence expires May 31, 2026
- Fil-Billy Excavation & Hauling(573) 768-1434PerryInstallerLicence expires March 31, 2027
- Foltz Brothers Construction(573) 243-9997SedgewickvilleInstallerLicence expires March 31, 2027
- HP Savored LLC(573) 482-5366Park HillsInstallerLicence expires December 31, 2027
- JB Digs, LLC(573) 366-5288BlackInstallerLicence expires May 31, 2028
- K&P Services LLC(816) 854-9091Blue SpringsInstallerLicence expires August 31, 2028
- KCJW Enterprises LLC(573) 747-5323FarmingtonInstallerLicence expires July 31, 2027
- Keith Cook's Backhoe LLC(573) 866-3152SedgewickvilleInstallerLicence expires June 30, 2028
- Korokis Dirt & Gravel(573) 208-6621Poplar BluffInstallerLicence expires July 31, 2027
- KP Enterprise LLC(573) 631-0100FarmingtonInstallerLicence expires October 31, 2025
- Logan Blevins Excavation(573) 275-1883Cape GirardeauInstallerLicence expires October 31, 2026
- Lord Plumbing LLC(573) 701-4734Bonne TerreInstallerLicence expires July 31, 2028
- Matt Clifford Excavating(573) 760-2610Bonne TerreInstallerLicence expires May 31, 2028
- Midwest Septic & Maintenance Service LLC(573) 482-5835Park HillsInstallerLicence expires March 31, 2028
- Newell's Ram Power LLC(573) 334-5241MillersvilleInstallerLicence expires December 31, 2027
- Newll's Ram Power LLC(573) 334-5241MillersvilleInstallerLicence expires December 31, 2027
- Norvell Services LLC(573) 783-7000FredericktownInstallerLicence expires September 30, 2028
- Orrick Excavating & Construction(573) 546-3818MiddlebrookInstallerLicence expires May 31, 2026
- Outlaw Excavating LLC(636) 232-3860DeSotoInstallerLicence expires July 31, 2026
- Piedmont Plumbing, LLC(573) 714-1034PattersonInstallerLicence expires November 30, 2026
- Pooles Septic System(573) 631-5927Mineral PointInstallerSoil evaluatorLicence expires July 31, 2026
- Pristine Contracting Group(573) 430-8259Bonne TerreInstallerLicence expires May 31, 2026
- Ragsdale Asphalt/Excavating(573) 474-5906BismarckInstallerLicence expires March 31, 2027
- Riverbank Enterprises(573) 631-0932BellviewInstallerLicence expires December 31, 2027
- Roth Dirt Worx(573) 718-0097GreenvilleInstallerLicence expires September 30, 2026
- Sam's Home & Commercial Inspectors(573) 202-6062VichyInstallerLicence expires August 31, 2028
- Sewage Pump Solutions(636) 331-5172DeSotoInstallerSoil evaluatorLicence expires March 31, 2027
- Shoemaker Trucking & Backhoe(573) 760-6089FredericktownInstallerLicence expires January 31, 2026
- Steve RogersInstallerLicence expires May 31, 2027
- Straughan Plumbing and Septic(573) 315-0764FarmingtonInstallerLicence expires July 31, 2026
- Thompson Excavating(573) 783-0174FredericktownInstallerLicence expires June 30, 2027
- TJ Riley Contracting(573) 482-0032Bonne TerreInstallerLicence expires July 31, 2026
- TLM Contracting LLC(314) 578-7198DesotoInstallerLicence expires August 31, 2026
- Tongay Dirtworks LLC(573) 430-2711Park HillsInstallerLicence expires December 31, 2027
- William H. Bond Engineering(573) 483-2175Ste. GenevieveInstallerSoil evaluatorLicence expires March 31, 2026
| Company | Licensed for | Phone | Licence expires |
|---|---|---|---|
| 3G Excavating LLCFarmington | Installer | (573) 631-0603 | May 31, 2028 |
| A & B Plumbing & Heating, Inc.Park Hills | Installer | (573) 431-7556 | February 28, 2026 |
| Accuro Services,LLCWentzville | Installer | (314) 363-4793 | December 31, 2027 |
| All Type SepticValles Mines | Installer | (573) 760-4734 | October 31, 2026 |
| All Type Septic Pumping & Aeration LLCValles Mines | Installer | (573) 760-4734 | January 31, 2027 |
| Benjamin R ZimmermanDoe Run | Installer | (573) 915-2353 | March 31, 2028 |
| Benoist Excavating LLCIrondale | Installer | (573) 366-6113 | October 31, 2025 |
| Bio-Gard IncColumbia | Installer | (573) 442-0692 | March 30, 2027 |
| Boren Contracting LLCBonne Terre | Installer | (573) 330-3028 | November 30, 2025 |
| Chad's Septic & Backhoe Service LLCPerryville | Installer | (573) 768-2045 | July 31, 2028 |
| Clog Boss Drains and SepticBonne Terre | Installer | (573) 482-0032 | July 31, 2026 |
| Courtney Construction LLCMountain Grove | Installer | (417) 926-1479 | January 31, 2027 |
| Detring Septic Solutions LLCPark Hills | Installer | (573) 760-3993 | November 30, 2025 |
| DTR Farms LLCMarble Hill | InstallerSoil evaluator | (573) 768-5617 | March 31, 2027 |
| Eddie Cook EnterprisesMarble Hill | InstallerSoil evaluator | (573) 450-4032 | November 30, 2025 |
| Eddie Cook's ExcavatingMarble Hill | Installer | (573) 866-2546 | May 31, 2026 |
| Fil-Billy Excavation & HaulingPerry | Installer | (573) 768-1434 | March 31, 2027 |
| Foltz Brothers ConstructionSedgewickville | Installer | (573) 243-9997 | March 31, 2027 |
| HP Savored LLCPark Hills | Installer | (573) 482-5366 | December 31, 2027 |
| JB Digs, LLCBlack | Installer | (573) 366-5288 | May 31, 2028 |
| K&P Services LLCBlue Springs | Installer | (816) 854-9091 | August 31, 2028 |
| KCJW Enterprises LLCFarmington | Installer | (573) 747-5323 | July 31, 2027 |
| Keith Cook's Backhoe LLCSedgewickville | Installer | (573) 866-3152 | June 30, 2028 |
| Korokis Dirt & GravelPoplar Bluff | Installer | (573) 208-6621 | July 31, 2027 |
| KP Enterprise LLCFarmington | Installer | (573) 631-0100 | October 31, 2025 |
| Logan Blevins ExcavationCape Girardeau | Installer | (573) 275-1883 | October 31, 2026 |
| Lord Plumbing LLCBonne Terre | Installer | (573) 701-4734 | July 31, 2028 |
| Matt Clifford ExcavatingBonne Terre | Installer | (573) 760-2610 | May 31, 2028 |
| Midwest Septic & Maintenance Service LLCPark Hills | Installer | (573) 482-5835 | March 31, 2028 |
| Newell's Ram Power LLCMillersville | Installer | (573) 334-5241 | December 31, 2027 |
| Newll's Ram Power LLCMillersville | Installer | (573) 334-5241 | December 31, 2027 |
| Norvell Services LLCFredericktown | Installer | (573) 783-7000 | September 30, 2028 |
| Orrick Excavating & ConstructionMiddlebrook | Installer | (573) 546-3818 | May 31, 2026 |
| Outlaw Excavating LLCDeSoto | Installer | (636) 232-3860 | July 31, 2026 |
| Piedmont Plumbing, LLCPatterson | Installer | (573) 714-1034 | November 30, 2026 |
| Pooles Septic SystemMineral Point | InstallerSoil evaluator | (573) 631-5927 | July 31, 2026 |
| Pristine Contracting GroupBonne Terre | Installer | (573) 430-8259 | May 31, 2026 |
| Ragsdale Asphalt/ExcavatingBismarck | Installer | (573) 474-5906 | March 31, 2027 |
| Riverbank EnterprisesBellview | Installer | (573) 631-0932 | December 31, 2027 |
| Roth Dirt WorxGreenville | Installer | (573) 718-0097 | September 30, 2026 |
| Sam's Home & Commercial InspectorsVichy | Installer | (573) 202-6062 | August 31, 2028 |
| Sewage Pump SolutionsDeSoto | InstallerSoil evaluator | (636) 331-5172 | March 31, 2027 |
| Shoemaker Trucking & BackhoeFredericktown | Installer | (573) 760-6089 | January 31, 2026 |
| Steve Rogers | Installer | (573) 482-0812 | May 31, 2027 |
| Straughan Plumbing and SepticFarmington | Installer | (573) 315-0764 | July 31, 2026 |
| Thompson ExcavatingFredericktown | Installer | (573) 783-0174 | June 30, 2027 |
| TJ Riley ContractingBonne Terre | Installer | (573) 482-0032 | July 31, 2026 |
| TLM Contracting LLCDesoto | Installer | (314) 578-7198 | August 31, 2026 |
| Tongay Dirtworks LLCPark Hills | Installer | (573) 430-2711 | December 31, 2027 |
| William H. Bond EngineeringSte. Genevieve | InstallerSoil evaluator | (573) 483-2175 | March 31, 2026 |
What “Registered OWTS installer” means in Missouri
Being on this roster means Missouri DHSS has licensed this business for installs onsite wastewater treatment systems. It is not a rating, a review, or a statement about price, insurance or workmanship.
Registrations carry an expiration date, shown on every listing. The state republishes the dataset as registrations change.
Before you hire, confirm the licence with Missouri DHSS, or the state's own published registration data. How to verify →
Registered OWTS installers in neighbouring counties
Records as published August 26, 2026. Report a correction.