GB Excavating
“Mike is a great guy, very professional had my septic done in no time”
Best Septic Tank Installers near Strathroy, ON
None of these companies is based in Strathroy; they work from towns including St. Thomas, Sarnia and Blenheim.
24 companies listed · 2 open 24/7 · 12 open weekends · 21 rated 4.5+ · 2 show a licence
Data verified October 21, 2026
The Stool Bus
“Even dug access for a nominal fee”
ESI Group
“Very knowledgeable and explained how our specific septic tank worked and all the repairs that were being done.”
Choice Inc.
“It is clear that they care about their customers, and if I was in the area I'd hire him without a second thought.”
A B C Sanitation Inc
“The whole experience was very pleasant, from the booking to the service everyone was professional and very attentive.”
Legue Septic Services
“Marc and his team have always provided excellent, responsive and cost effective service for our septic systems at our house and our rental properties.”
The 24 companies listed for Strathroy, ON design and install septic systems and replace failed leaching beds. Each company's own site is the source for its hours, licence claims and estimate policy. Ask who applies for the permit and who arranges the inspection before backfill.
Area overview: Strathroy, ON
23 of the 24 companies on this page have a rating, from 4.0 to 5.0 across 661 reviews; 4 have 50 or more reviews and 21 are rated 4.5 or higher. When customers rate these companies on specific qualities, they most often praise professionalism (96%), responsiveness (90%) and punctuality (77%). The topics that come up most in reviews of the companies on this page are "price" and "cleanliness". 2 are open around the clock; 12 are open on Saturdays and 8 on Sundays. 2 show a licence on their websites. 6 have ten or more years of experience, the longest 30 years. 2 offer emergency call-outs; 6 give free estimates; 6 are family- or locally-owned and 1 lists coupons or special offers. We have a website on file for 20 of the companies on this page; 16 publish a contact page and 14 list a public email. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book.
Do any listed installers say they are licensed?
2 of the 24 listings for Strathroy show a licence on their websites. Installers of on-site sewage systems are approved separately from general excavation work, so check the credential matches the job. Your municipality or health unit can confirm who is authorized to install in that jurisdiction.
Erie Excavating & Liquid Waste
“These guys are the best at what they do.”
M Jones Limited (Formerly Mervin Jones Drilling Ltd.)
“These guys are super helpful and know their stuff.”
Total Septic
“Total septic provided informed support and service to help us with our septic woes.”
A-A Sanitation Service
“Have been our provider of choice for a few years now and will be for many into the future.”
Texo Terra Contracting Ltd.
Make-Way Environmental Technologies Inc
Triple S Sanitation Limited
“Great prices, great service and go that extra mile for you!”
Dynamic Septic & Drainage
“Work was done on time and on budget and Devon kept us informed with pictures and updates on the work.”
Industrial Dover
Lambton Sanitation
“Always great to work with And amazing response time for drops and cleanings .”
Chitters Septic Service
“The gentleman from chitters are very professional and have a great sense of humor considering the work they do and they do it very well I have used them 3 or 4 times and will continue keep up the good work”
Kuipers Construcion
“Jordan is a professional, details matter to him and he has the kind of integrity that you need & expect from a contractor.”
JM Construction & Consulting Ltd.
“Jeremy Munro, owner and lead installer of MC Construction and Consulting may look like a young man but his exceptional professionalism, his willingness to provide information and service, his efficient use of time, his communication, his estimate, and his responsiveness to our questions were all five star.”
Veolia Chemical Cleaning
Gerth Excavating
“Great bunch of people to do business with.”
Drain Heroes
“He helped me with an emergency situation today that involved a clogged main drain in the basement that was flooding the house.”
The Septic Guy Inc
“Can't say enough about how knowledgeable and hard working these guys were.”
RVM Trucking
“Excellent company, great looking wrap van.”
Why these companies made our list
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