We're Wastewater specialists in both Commercial and Residential.

At ESI Group, we specialize in wastewater solutions. We have been installing in London, St Thomas, Delaware, as well as other areas of Southwestern Ontario for over 20 years.

We go the extra mile to find the right septic solution that works for you, whether you need wastewater treatment systems, conventional septic installations, new construction or existing house, to full scale residential or commercial projects, we have the expertise.

We are committed to maintaining the quality of natural resources and the environment. Together with our partners, we can be proud to provide solutions that help protect nature.