Registered Onsite Wastewater Treatment System (OWTS) Installers List

This list is not all inclusive; being listed on our website is optional. For those not listed or to determine if the installer is basic or advanced; request to see a copy of their ID card. You may also verify registration by contacting the Onsite Wastewater Program at (573) 751-6095.

Contact Us if you have questions about this list, or to update or correct an address.

Also, a listing of Suspended/Revoked Installers is available.

Displaying 1501 - 1525 of 1560
Name:
Williams, Brian
Installer ID #:
35152
Installer Level:
Basic
Date of Expiration:
2027-11-30
Business:
Williams Excavation
City, State:
Seymour, MO
Business Phone:
(417) 245-0147
Counties Served:
Christian, Douglas, Greene, Webster, Wright
Name:
Williams, Charles
Installer ID #:
37720
Installer Level:
Advanced
Date of Expiration:
2026-01-31
Business:
SPE Inc
City, State:
Columbia, MO
Business Phone:
(573) 999-5509
Counties Served:
N/A
Name:
Willis, Brad
Installer ID #:
33708
Installer Level:
Advanced
Date of Expiration:
2026-05-31
Business:
Willis Excavating
City, State:
Carthage, MO
Business Phone:
(417) 388-0027
Counties Served:
Barton, Dade, Jasper, Newton
Name:
Willis, Luke
Installer ID #:
39247
Installer Level:
Advanced
Date of Expiration:
2027-09-30
Business:
N/A
City, State:
Troy, MO
Business Phone:
(636) 775-5063
Counties Served:
Lincoln, Montgomery, Pike, Warren
Name:
Willis, Brandon
Installer ID #:
37022
Installer Level:
Advanced
Date of Expiration:
2028-05-31
Business:
Green Shore Excavating
City, State:
Barnett, MO
Business Phone:
(573)-480-6473
Counties Served:
Callaway, Camden, Cole, Miller, Morgan
Name:
Willman, Jr, Jack
Installer ID #:
36370
Installer Level:
Advanced
Date of Expiration:
2027-02-28
Business:
J Willman Excavating LLC
City, State:
Shell Knob, MO
Business Phone:
(417) 248-0077
Counties Served:
Barry, Christian, Lawrence, Stone
Name:
Willmon, Robert
Installer ID #:
38820
Installer Level:
Basic
Date of Expiration:
2026-07-31
Business:
Willmon land clearing
City, State:
Walnut Grove, MO
Business Phone:
(417) 880-7837
Counties Served:
Christian, Dade, Greene, Lawrence, Polk, Webster
Name:
Wilson, Colt
Installer ID #:
38546
Installer Level:
Basic
Date of Expiration:
2026-01-31
Business:
CCW Plumbing LLC
City, State:
Rogersville, MO
Business Phone:
(417) 872-9616
Counties Served:
Christian, Douglas, Greene, Webster
Name:
Wilson, Dale
Installer ID #:
37463
Installer Level:
Advanced
Date of Expiration:
2027-10-31
Business:
Wilson Excavating
City, State:
Meta, MO
Business Phone:
(573)-645-2701
Counties Served:
Boone, Callaway, Cole, Osage
Name:
Wilson, Charles
Installer ID #:
33692
Installer Level:
Advanced
Date of Expiration:
2028-08-31
Business:
Charley Wilson
City, State:
Oronogo, MO
Business Phone:
(417)-768-0328
Counties Served:
Barry, Barton, Jasper, Lawrence, Newton
Name:
Wilson, Brady
Installer ID #:
38782
Installer Level:
Basic
Date of Expiration:
2026-05-31
Business:
Brady Wilson
City, State:
Rolla, MO
Business Phone:
(573) 465-5048
Counties Served:
Crawford, Dent, Maries, Phelps
Name:
Wilson, Lane
Installer ID #:
39560
Installer Level:
Advanced
Date of Expiration:
2028-09-30
Business:
N/A
City, State:
Nevada, MO
Business Phone:
(417)-321-5382
Counties Served:
Barton, Bates, Cass, Cedar, Dade, Greene, Henry, Jasper, Lawrence, Polk, St. Clair, Vernon
Name:
Wilson, Cliff
Installer ID #:
39307
Installer Level:
Advanced
Date of Expiration:
2027-12-31
Business:
N/A
City, State:
N/A
Business Phone:
N/A
Counties Served:
N/A
Name:
Wilson, Morgan
Installer ID #:
39515
Installer Level:
Advanced
Date of Expiration:
2028-08-31
Business:
N/A
City, State:
N/A
Business Phone:
(870)-350-1947
Counties Served:
Adair, Andrew, Atchison, Audrain, Barry, Barton, Bates, Benton, Bollinger, Boone, Buchanan, Butler, Caldwell, Callaway, Camden, Cape Girardeau, Carroll, Carter, Cass, Cedar, Chariton, Christian, Clark, Clay, Clinton, Cole, Cooper, Crawford, Dade, Dallas, Daviess, Dekalb, Dent, Douglas, Dunklin, Franklin, Gasconade, Gentry, Greene, Grundy, Harrison, Henry, Hickory, Holt, Howard, Howell, Iron, Jackson, Jasper, Jefferson, Johnson, Knox, Laclede, Lafayette, Lawrence, Lewis, Lincoln, Linn, Livingston, Macon, Madison, Maries, Marion, McDonald, Mercer, Miller, Mississippi, Moniteau, Monroe, Montgomery, Morgan, New Madrid, Newton, Nodaway, Oregon, Osage, Ozark, Pemiscot, Perry, Pettis, Phelps, Pike, Platte, Polk, Pulaski, Putnam, Ralls, Randolph, Ray, Reynolds, Ripley, Saline, Schuyler, Scotland, Scott, Shannon, Shelby, St. Charles, St. Clair, St. Louis (County), St Louiscity, Ste. Genevieve, St. Francois, Stoddard, Stone, Sullivan, Taney, Texas, Vernon, Warren, Washington, Wayne, Webster, Worth, Wright
Name:
Wilson, Dennis (Aaron)
Installer ID #:
39123
Installer Level:
Basic
Date of Expiration:
2027-04-30
Business:
Wilthom LLC
City, State:
Neosho, MO
Business Phone:
(417) 592-0727
Counties Served:
Barry, Jasper, McDonald, Newton
Name:
Wilson, Jacob
Installer ID #:
38901
Installer Level:
Basic
Date of Expiration:
2026-09-30
Business:
Shetland Excavating and Land Services
City, State:
Stella, MO
Business Phone:
(417) 455-6651
Counties Served:
Barry, Jasper, McDonald, Newton
Name:
Winder, Carl (Dexter)
Installer ID #:
35132
Installer Level:
Basic
Date of Expiration:
2026-01-31
Business:
Dexter's Plumbing & Excavation
City, State:
Stockton, MO
Business Phone:
(417) 327-9007
Counties Served:
Cedar, Dade, Jasper, Polk, St. Clair
Name:
Wisdom, Jesse
Installer ID #:
38977
Installer Level:
Basic
Date of Expiration:
2027-01-31
Business:
Brighthouse Plumbing
City, State:
Fenton, MO
Business Phone:
(636) 600-0188
Counties Served:
Franklin, Jefferson, Lincoln, St. Charles, St. Louis (County), Warren
Name:
Wishon, Michael
Installer ID #:
39141
Installer Level:
Basic
Date of Expiration:
2027-05-31
Business:
Michael Wishon
State:
MO
Business Phone:
N/A
Counties Served:
N/A
Name:
Wolken, Brent
Installer ID #:
38783
Installer Level:
Advanced
Date of Expiration:
2026-05-31
Business:
BW Dirt Works & More LLC
City, State:
Westphalia, MO
Business Phone:
(573) 606-9573
Counties Served:
Callaway, Cole, Gasconade, Maries, Miller, Osage
Name:
Wood, Clayton
Installer ID #:
38827
Installer Level:
Basic
Date of Expiration:
2026-07-31
Business:
Superior Sewer Co
City, State:
St. Louis, MO
Business Phone:
(314) 931-4738
Counties Served:
Franklin, Jefferson, St. Charles, Ste. Genevieve, Washington
Name:
Wood, Tim
Installer ID #:
32842
Installer Level:
Basic
Date of Expiration:
2026-03-31
Business:
Wood Excavating
City, State:
Billings, MO
Business Phone:
(417) 840-1414
Counties Served:
Christian, Greene, Lawrence, Stone
Name:
Woodruff, Benjamin
Installer ID #:
38683
Installer Level:
Basic
Date of Expiration:
2026-03-31
Business:
Benjamin G. Woodruff
City, State:
Camdenton, MO
Business Phone:
(636) 734-1668
Counties Served:
Benton Greene, Camden, Licnoln, Miller, Morgan, St. Charles, Warren
Name:
Woods, Kirsten
Installer ID #:
39023
Installer Level:
Advanced
Date of Expiration:
2026-12-31
Business:
Affordable Plumbing Maintenance LLC
City, State:
Boonville, MO
Business Phone:
(660) 621-1812
Counties Served:
Boone, Camdenton, Howard, Moniteau
Name:
Woods, Jr., Bruce
Installer ID #:
35022
Installer Level:
Advanced
Date of Expiration:
2027-06-30
Business:
Bwoodsllc
City, State:
Edwards, MO
Business Phone:
(660) 723-2373
Counties Served:
Benton, Camden, Clinton, Henry, Hickory, Stone, Taney