SweenCo LLC
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SweenCo LLC is a utility installation company that also specializes in excavation, manhole rehabilitation, epoxy lining, and septic system installations.
SweenCo specializes in Septic System and Sewer Installation and Repair. Joe, our Project Manager and Foreman, is a licensed Master Drainlayer in Missouri, including St.Louis, St. Charles, Franklin, Montgomery, Jefferson, Lincoln, and Warren counties. We are certified in Basic and Advanced system installations. We can do small jobs, such as replacing an aerator or pump, or larger jobs, such as inst
01/06/2026
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Today we want to thank SweenCo LLC for their generous sponsorship of our Night at the Races event.
SweenCo LLC is your go to contractor for septic and sewer install or repair. Give them a call at 636-699-6882, visit their website www.sweenco.com , or look them up on Facebook and see all of the services they offer.
Thank you Sweenco LLC for your generosity in supporting our mission to give back to the Orchard Farm community .
07/29/2025
Structures are in for the Summersville Wastewater Collections System Improvement project! Now its time to get them installed!
03/01/2024
With SweenCo’s Cementitious Lining systems, structural integrity becomes the cornerstone of every manhole rehabilitation project completed. Our lining crews are trained to assess, restore, and effectively rehabilitate manholes, to like-new condition!
Here are some before and after photos of a few manholes lined today! We make existing structures/culverts that are decaying and falling apart into completely new-like structures with our special mortars, geopolymers, and epoxy liners effectively reducing inflow & infiltration. Give us a call today for a free estimate for your upcoming project!
10/23/2023
We had so much fun at our annual St. Jude’s Golf Charity Tournament this weekend! Thank you to everyone who came and supported such a great cause!! SweenCo is honored to be a sponsor of this event each year! ❤️ ⛳️
09/19/2023
We are proud to be a sponsor of St. Charles Titans Youth Football Organization!! 🏈📣🖤💛
This weeks highlight sponsor of the week is LLC. The St. Charles Titans Football League would like to thank you for your support.
07/04/2023
Happy 4th of July to all!! ❤️🤍💙🇺🇸
06/01/2023
Are you putting in a pool and need your septic system moved? Give us a call to help you with your project!! 💦
04/01/2023
No area is too small to dig! Putting in some downspouts for an apartment building in St. Louis City! 🚜 👷♂️
03/02/2023
Replacing sewer lines and the grease interceptor at Wendy’s off Telegraph!!! 🚜
SweenCo is hiring a laborer or experienced installer for septic installation! Must have reliable transportation and a valid driver’s license. CDL and tractor operating experience is preferred but not required. We offer competitive pay based on experience and job performance.
Please call 636-699-6882 for more information.
Click here to claim your Sponsored Listing.
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Website
Address
3722 Mueller Road
St. Charles, MO
63301