Registered OWTS installers in Franklin County, Missouri
134 companies on Missouri’s roster of registered onsite wastewater treatment system installers give Franklin County as their address. A registered installer is a business the state has licensed for the work that installs onsite wastewater treatment systems.
- 3T Plumbing LLC(573) 291-5120RosebudInstallerLicence expires January 31, 2026
- A & B Plumbing & Heating, Inc.(573) 431-7556Park HillsInstallerLicence expires February 28, 2026
- A R C Grading, LLC(636) 290-5419Moscow MillsInstallerLicence expires November 30, 2025
- Aa Quick Plumbing & Sewer Service of Jefferson County, Inc.(636) 296-1211DittmerInstallerLicence expires March 31, 2026
- AA Quick Sewer Service(636) 296-1211DittmerInstallerLicence expires February 29, 2028
- Accuro Services,LLC(314) 363-4793WentzvilleInstallerLicence expires December 31, 2027
- Affordable Plumbing LLC(314) 971-3063HermannInstallerLicence expires January 31, 2028
- Appraisal & Building Solutions LLC(573) 241-8273St JamesInstallerLicence expires July 31, 2026
- B Green Plumbing & Drain Cleaning LLC(314) 604-5000WarrentonInstallerLicence expires June 30, 2026
- Backhoe Services Unlimited(636) 234-4790Villa RidgeInstallerLicence expires March 31, 2027
- Ballmann Earthworks(636) 236-4242AugustaInstallerLicence expires March 31, 2028
- Baner Excavation(314) 258-5544HillsboroInstallerLicence expires February 28, 2027
- Bauche Contracting LLC(636) 369-1474WashingtonInstallerLicence expires April 30, 2027
- BDG Contracting Inc(314) 478-2388St. LouisInstallerLicence expires January 31, 2028
- Benchmark Excavating LLC(636) 734-5198ForistellInstallerLicence expires July 31, 2026
- Big D Pipe LLC(636) 399-7495St CharlesInstallerLicence expires May 31, 2028
- Bigley Construction(636) 583-7854UnionInstallerLicence expires July 31, 2026
- Bill Martin Construction LLC(636) 271-2653EurekaInstallerLicence expires May 31, 2026
- Bill Williams Construction(636) 274-2641Cedar HillInstallerLicence expires June 30, 2026
- Blackwood Plumbing(636) 359-5622WarrentonInstallerLicence expires May 31, 2027
- Bobs Plumbing Company(636) 629-3979Saint ClairInstallerLicence expires March 31, 2028
- Bradford Excavating(636) 586-0076HillsboroInstallerLicence expires October 31, 2025
- Brian Unnerstall(636) 660-0860Villa RidgeInstallerLicence expires August 31, 2026
- Brighthouse Plumbing(636) 600-0188FentonInstallerLicence expires January 31, 2027
- Brown Service Co(314) 378-4088High RidgeInstallerLicence expires December 31, 2028
- Brown Tractor Service LLC(314) 478-0343BloomsdaleInstallerLicence expires May 31, 2028
- Brute Force Hauling and Excavating LLC(636) 900-3079WashingtonInstallerLicence expires August 31, 2028
- C & H Plumbing Company(314) 494-8042St LouisInstallerLicence expires May 31, 2026
- C.Taylor Contracting LLC(636) 584-9077HermannInstallerLicence expires March 31, 2028
- Cavaness Contracting(314) 972-2383ImperialInstallerLicence expires January 31, 2027
- Central Mesa Holdings LLC(208) 867-5679ManchesterInstallerLicence expires October 31, 2026
- Chad Queen Contracting Services, LLC(314) 960-1699DeSotoInstallerLicence expires April 30, 2028
- Chapman Contracting(636) 629-7854Saint ClairInstallerLicence expires June 30, 2028
- Chartette Creek Excavating LLC(636) 390-3811MarthasvilleInstallerLicence expires December 31, 2027
- Commercial Drain & Sewer Cleaning Inc(636) 282-1775ArnoldInstallerLicence expires February 28, 2028
- Courtney Construction LLC(417) 926-1479Mountain GroveInstallerLicence expires January 31, 2027
- CSO Environmental Services, Inc(217) 522-4085SpringfieldInstallerLicence expires March 31, 2027
- Custom Power Excavating, Inc(573) 774-7155RosebudInstallerLicence expires June 30, 2028
- Dempsey Investment LLC(636) 235-8181JonesburgInstallerLicence expires May 31, 2028
- DJM Ecological Services Inc.(314) 478-2388St. LouisInstallerLicence expires January 31, 2028
- Dobsch Construction LLC(314) 520-6282WashingtonInstallerLicence expires May 31, 2027
- Double R Plumbing and Contracting(573) 760-6768PotosiInstallerLicence expires May 31, 2027
- Drennen Excavating and Flat WorkInstallerLicence expires May 31, 2027
- E&J Siteworks LLC(314) 225-8937DittmerInstallerLicence expires April 30, 2028
- Earthworx Excavating & Bobcat Services, Inc(314) 574-6305Villa RidgeInstallerLicence expires June 30, 2026
- Edward's Construction(636) 390-4724WashingtonInstallerLicence expires January 31, 2027
- Elbert Earthworks(636) 432-3508BergerInstallerLicence expires December 31, 2027
- Erbe Construction LLC(636) 697-7787SilexInstallerSoil evaluatorLicence expires December 31, 2026
- Figler Excavating Inc(573) 468-3434SullivanInstallerLicence expires September 30, 2027
- Fleer Excavating(636) 900-1772HermannInstallerLicence expires July 31, 2028
- Flowmasters Plumbing LLC(314) 733-0334OverlandInstallerLicence expires August 31, 2026
- Gerling Excavating & Const(636) 357-8182BergerInstallerLicence expires May 31, 2026
- Girdner Contracting LLC(636) 266-8788Villa RidgeInstallerLicence expires May 31, 2026
- Greater Missouri Homes LLC(636) 667-2461AugustaInstallerLicence expires May 31, 2026
- H.S. Plumbing LLC(314) 503-3416TroyInstallerLicence expires June 30, 2026
- Hickinbotham realty(636) 629-3419St ClairInstallerLicence expires January 31, 2027
- Hurt III Construction(816) 390-7105st JosephInstallerLicence expires October 31, 2025
- Ice Services LLC(636) 841-8688Warner RobinsInstallerLicence expires January 31, 2028
- Integrity Septic and Sewer LLC(314) 280-6097PacificInstallerLicence expires May 31, 2028
- Intelligent Plumbing Solutions(314) 956-4977New MelleInstallerLicence expires March 31, 2028
- J Wyatt Contracting(636) 274-1538DittmerInstallerLicence expires December 31, 2025
- J-L Page Excavation(573) 690-0326RhinelandInstallerLicence expires June 30, 2027
- J&B Ruessler Septic(636) 544-0825HillsboroInstallerLicence expires February 28, 2027
- J&M Excavating Services LLC(636) 359-2200HermannInstallerLicence expires January 31, 2026
- Jake's Backhoe and Construction(573) 619-9703HermannInstallerSoil evaluatorLicence expires March 31, 2028
- Jarvis Excavating LLC(573) 259-3478OwensvilleInstallerLicence expires September 30, 2027
- Jay Rice Contracting(636) 629-6565St. ClairInstallerLicence expires March 31, 2028
- JB Digs, LLC(573) 366-5288BlackInstallerLicence expires May 31, 2028
- Jesse Kleinheider Contracting LLC(636) 667-2878WashingtonInstallerLicence expires February 28, 2026
- JL Hicks Services, LLC(636) 337-5870DeSotoInstallerLicence expires July 31, 2027
- Jody Schmidt Well & Sewer Service(636) 262-1054New MelleInstallerLicence expires January 31, 2026
- John's Excavating & Contractor(636) 274-4204Cedar HillInstallerLicence expires January 31, 2026
- K&P Services LLC(816) 854-9091Blue SpringsInstallerLicence expires August 31, 2028
- Kaysinger Liquid Waste LLC(573) 885-3341CubaInstallerLicence expires April 30, 2026
- KC Land & Lawn(636) 359-5126WarrentonInstallerLicence expires August 31, 2028
- Kelpe Contracting Inc(636) 458-1400WildwoodInstallerLicence expires January 31, 2026
- Klemme's Backhoe Service(636) 398-6142WentzvilleInstallerLicence expires March 31, 2026
- Kolb Grading LLC(314) 524-7223St. CharlesInstallerLicence expires January 31, 2026
- Land Co(314) 713-7884High RidgeInstallerLicence expires March 31, 2028
- Larry's Landscaping(314) 942-1029BarnhartInstallerLicence expires January 31, 2026
- LCG Legacy Contracting Group(314) 677-0525PacificInstallerLicence expires September 30, 2027
- LHS Hauling & Grading(636) 297-7063WarrentonInstallerLicence expires April 30, 2027
- M Turpin Services LLC(636) 262-6230Wright CityInstallerLicence expires February 28, 2026
- Mathena Excavating(573) 259-6049WashingtonInstallerLicence expires December 31, 2027
- Matt Girardier Excavating(636) 399-5247St ClairInstallerLicence expires April 30, 2028
- MC Plumbing & Excavating LLC(636) 393-9382LabadieInstallerLicence expires September 30, 2026
- Merlo Plumbing, Co., Inc(314) 843-1000St. LouisInstallerLicence expires August 31, 2026
- Meyerott Enterprises, LLC(636) 485-1215St. CharlesInstallerLicence expires May 31, 2028
- MMI Plumbing & Excavation(573) 842-5168WaynesvilleInstallerLicence expires October 31, 2026
- Moore Works LLCInstallerLicence expires November 30, 2025
- Mots Excavation LLC(314) 974-5756HillsboroInstallerLicence expires November 30, 2028
- Mr Rooter Plumbing LLC(636) 629-9955Saint ClairInstallerLicence expires June 30, 2028
- NewShu Contracting LLC(314) 578-0145LonedellInstallerLicence expires January 31, 2028
- No Limits Excavating LLC(314) 280-2868Villa RidgeInstallerLicence expires May 31, 2027
- Oberkramer Septic Solutions, LLC(636) 495-9900High RidgeInstallerLicence expires October 31, 2026
- Outlaw Excavating LLC(636) 232-3860DeSotoInstallerLicence expires July 31, 2026
- Parker Home Inspections LLC(573) 263-5997RollaInstallerLicence expires September 30, 2026
- Parker Petroleum Sales & Service(314) 401-5447TroyInstallerLicence expires February 28, 2027
- PJ Myers Hauling & Excavating, LLC(573) 885-4403CubaInstallerLicence expires October 31, 2028
- Pooles Septic System(573) 631-5927Mineral PointInstallerSoil evaluatorLicence expires July 31, 2026
- Pro-Com Septic & Excavation LLC(636) 222-8128Valles MinesInstallerLicence expires March 31, 2028
- Professional Onsite Installations(636) 236-4760HillsboroInstallerLicence expires June 30, 2028
- Pruessner Contracting LLC(636) 900-2728New HavenInstallerLicence expires February 28, 2026
- R E Signature Homes(314) 808-7086Ste GenevieveInstallerLicence expires April 30, 2028
- Reliable Septic & Portable Toilet(573) 239-0280HermannInstallerLicence expires September 30, 2027
- Rich Gullet & Sons(636) 271-2327PacificInstallerLicence expires April 30, 2028
- Sam's Home & Commercial Inspectors(573) 202-6062VichyInstallerLicence expires August 31, 2028
- Schlett Construction(314) 302-6476BarnhartInstallerLicence expires March 31, 2026
- Septic Services, Inc.(636) 583-5564UnionInstallerLicence expires January 31, 2026
- Septic Solutions(314) 216-1937House SpringsInstallerLicence expires September 30, 2028
- Sewage Pump Solutions(636) 331-5172DeSotoInstallerSoil evaluatorLicence expires March 31, 2027
- Show Me Soils(636) 629-1788LonedellInstallerSoil evaluatorLicence expires April 30, 2026
- Sk hardin construction(636) 208-6533DesotoInstallerLicence expires March 31, 2027
- St.Louis Excavation(314) 709-6219Saint ClairInstallerLicence expires July 31, 2028
- Starks Excavating LLC(636) 359-5022WarrentonInstallerLicence expires November 30, 2025
- Steve RogersInstallerLicence expires May 31, 2027
- Strothkamp Excavating LLC(314) 630-2184SullivanInstallerLicence expires May 31, 2028
- Superier Heating & Cooling(636) 926-0000Lake St. LouisInstallerLicence expires January 31, 2026
- Superior Sewer Co(314) 931-4738St. LouisInstallerLicence expires July 31, 2026
- Tim Bennett Plmbing, LLC(636) 296-4994ImperialInstallerLicence expires March 31, 2026
- TJ Riley Contracting(573) 482-0032Bonne TerreInstallerLicence expires July 31, 2026
- True Form Contracting(314) 803-0426RobertsvilleInstallerLicence expires April 29, 2027
- Turnbull Contracting, LLC(573) 324-6922Bowling GreenInstallerLicence expires March 31, 2028
- Unnerstall Contracting Co., Ltd(636) 257-3003PacificInstallerLicence expires February 28, 2026
- Valle Land Development, LLC(314) 965-3400Valles MinesInstallerLicence expires March 31, 2028
- Volz Incorporated(314) 890-1264Saint LouisInstallerLicence expires December 31, 2026
- Wagner Tree Trimming & Trenching(636) 629-1842LonedellInstallerLicence expires March 31, 2026
- Weber Construction LLC(636) 584-0283UnionInstallerLicence expires July 31, 2026
- Wiese property improvements(573) 569-2060SullivanInstallerLicence expires March 31, 2027
- Wiggs Plumbing LLCInstallerLicence expires September 30, 2026
- William E Courtway/Redline Junk Removal & Dumpster(573) 210-0966CadetInstallerLicence expires December 31, 2026
- William H. Bond Engineering(573) 483-2175Ste. GenevieveInstallerSoil evaluatorLicence expires March 31, 2026
- WM Mueller Trenching and Excavating(636) 980-7757St. CharlesInstallerLicence expires May 31, 2028
- X-L Contracting(314) 280-1248Saint PetersInstallerLicence expires October 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.