519-798-3110 Mon. - Fri. 8am - 5pm 3810 Tecumseh Rd., Stoney Point, ON N0R-1N0
519-798-3110 Mon. - Fri. 8am - 5pm 3810 Tecumseh Rd., Stoney Point, ON N0R-1N0
In Business
Over 50 Years
Our reputation is
as solid as our foundations
Get A Quote

steel break walls Welcome to For over 50 years Leo Mailloux Construction Inc. has been providing excellence in workmanship in the construction industry throughout Southwestern Ontario.

Leo Mailloux Construction

splash guard Working to the highest industry standards & practices We have a proven track record in successfully executing even the most complex jobs on schedule and on budget. break wall installation Our Highly Skilled labour team provide the highest standard of excellence to do the job right the first time.


excavation services

Commercial and residential excavation and land clearing are only the beginning of what we offer.

Foundation footings and walls are of utmost importance and we make sure they are done right.

Complete tertiary septic system installation, septic tank maintenance and emergency response.

site work & trucking

We provide cement work and delivery of stone, sand and more using our fleet of trucks & machinery.

Your waterfront specialists providing break walls, break wall restoration, splash guards, HiTide boat lifts & Thru Flow docks by Nauti Docks.

underground services

From greenhouse system set up and drainage systems to holding tanks and everything in between.

Who Are We?

For 0ver 50 years, Mailloux Construction has been building a reputation as one of the leading construction service providers in Southwestern Ontario. We provide a full range of heavy construction capabilities, including: excavation, poured foundation walls, footings, steel breakwalls, boat docks, splash guards, boat lifts, septic systems, underground services, and site work & complete trucking.

With clients ranging from general contractors and construction management firms to real estate developers and building owners, we bring extensive experience and expertise in residential, commercial, industrial and shoreline projects. Working to the highest industry standards and practices, we have a proven track-record in successfully executing even the most challenging and complex jobs on schedule and on budget. Let us show you how we can put your project on a strong and solid foundation.

Why choose us?

Known for strong partnerships and responsive service, Mailloux Construction is committed to nothing less than complete client satisfaction.  In everything we do, we never cut corners and we don’t take short cuts. The way we see it, there is only one way to do the job: the right way

When you choose us, you can have total confidence and peace of mind. Our company is fully bonded and insured, with professionally trained and licensed crews. No matter the size or type of project, we operate with full adherence to all work safety, occupational health and environment regulations. Our fleet of heavy equipment and machinery is industry leading and regularly tested and inspected for optimum performance and safety.

From our first meeting to project completion, Mailloux Construction is a partner you can thoroughly count on. We’ll prove it.

Visit our Services page for more information on all the heavy construction services we offer.



Our Partners


  • “We have worked with Mailloux Construction on many projects over the years and their dedication and skill is unmatched.”

    rauti testimonial
    John Rauti - President
  • “The crew at Mailloux Construction are among the best and most professional that we have ever worked with as a construction management company.” 

    STC construction
    Scott Woodall, President
  • “For complex jobs, there is no better choice than Mailloux Construction. They really have seen and done it all.”

    beer store
    Dave Petretta, President