The ADI Group of companies services commercial, industrial, institutional, government, and agricultural customers worldwide. Our portfolio of companies includes wastewater treatment; waste-to-energy solutions; cover, liner, and containment systems; design-build construction services; mushroom farming; and composting operations.

Headquartered in Fredericton, New Brunswick, Canada, ADI’s roots date back to 1945. It has since evolved to become a globally-recognized company. Supported by over 200 employees, ADI Group of companies has completed work in over 35 countries around the world. We are honored to have been recognized as a both a TOP 101 Company and a Platinum Member of the Canada’s Best Managed program.

best-managed-companies
top101progress
Strategic Investments

Strategic Investments

We open doors for the future by investing in sound opportunities. Our Board of Directors and leadership team meet regularly to collaborate on the best direction for the company as a whole. We take pride in making strategic investments for profitable growth across all of our companies.

The Right People

The Right People

Our team is what sets us apart. As an employee-owned company, every single one of us is invested in making ADI a success, and there is no doubt that our success comes from hiring and retaining top talent. Some of our staff has been working together for nearly 30 years, bringing unparalleled knowledge and experience to the industry.

Innovative Solutions

Innovative Solutions

We are committed to delivering innovative solutions and building genuine relationships to live up to the expectations of our customers, employees, and shareholders.

Proven Results

Proven Results

By carefully managing our companies year after year, ADI has proven to be a powerful force. We’re constantly broadening our horizons and expanding into new territories and markets, building confidence as we leave our mark on the world.