ADI Group Inc. consists of several companies, each with the talent and expertise to achieve success in their respective industries. Click on the logos below to learn more.

ADI Systems

ADI Systems

Wastewater Treatment and Waste‑to‑Energy Solutions

ADI Systems provides a wide range of customizable wastewater treatment and waste-to-energy solutions for industries worldwide. They specialize in the anaerobic digestion of wastewater and organic food waste, aerobic treatment, and resource recovery through biogas utilization and water reuse. Their team of experienced engineers has over three decades of experience providing turnkey design/build projects.

Headquartered in North America, ADI Systems collectively consists of offices in Canada, United States, Brazil, and New Zealand. This international presence helps the company better understand the unique needs of its many customers. Over 260 customers in more than 35 countries are benefiting from ADI Systems’ proven wastewater treatment technologies, including those in the food and beverage, pulp and paper, brewery and distillery, chemical/pharmaceutical, and biofuels industries.

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Geomembrane Technologies Inc.

Geomembrane Technologies Inc.

Cover and Liner Systems

Geomembrane Technologies Inc. (GTI) supplies custom tank and lagoon covers—as well as containment liners—to satisfied customers worldwide. Their products collect and store biogas from anaerobic digestion, control odor, algae, and temperature fluctuations, reduce contamination and disinfection by-products, and protect the environment through safe containment and minimized greenhouse gas emissions.

With over 30 years of experience delivering solutions for demanding water and wastewater applications, GTI has grown to become a global leader in cover and liner systems. The company offers total turnkey solutions—everything from custom-design work, to fabrication, to installation and commissioning, to aftercare service. The GTI team has completed over 250 installations in the industrial, municipal, and agricultural sectors around the globe.

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Lange Containment Systems Inc.

Lange Containment Systems Inc.

Superior Materials and Multi-Sector Experience

Lange Containment Systems Inc. (LCSI) is a premier fabricator and installer of geomembranes and other geosysthetic liners. Based out of Denver, Colorado, USA, the company produces high-quality containment products specially designed to safely contain water with various chemical compositions—including flammable or combustible liquids.

LCSI has fabricated and installed more than 145,000,000 square feet of liner systems all over the world. Products include PVC, polypropylene, hypalon, and HDPE, as well as specialty products such as baffle curtains, transformer pads and substations, and its trademarked EZ Containment™ system. LCSI services many customers including: energy, agricultural/aquacultural, recreational, and municipalities, and prides itself on the service and personalization that sets it apart from its competitors.

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ADI Atlantic Inc.

ADI Atlantic Inc.

Design-Build, Project, and Construction Management

ADI Atlantic Inc. is a full-service construction firm primarily serving the Atlantic Canadian provinces. Although the company has extensive experience in the local market, the team has also successfully completed projects globally.

ADI Atlantic prides itself on delivering quality construction projects on time and on budget. The company has designed and delivered large-scale projects in industrial, commercial, institutional, and executive residential market. It offers flexible project delivery models, allowing builders and contractors to choose the best option for each project.

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Valley Mushrooms Limited

Valley Mushrooms Limited

Quality, Fresh Mushrooms

Valley Mushrooms Limited has been growing high-quality mushrooms for over 20 years. It specializes in growing button mushrooms, crimini mushrooms, baby bellas, and portobella mushrooms using sustainable methods. Our mushrooms are grown in specially-formulated compost and no pesticides are applied to the crops to protect both the health of our customers and the environment.

In order to keep pace with customer demand, Valley Mushrooms operates two farms in Atlantic Canada, producing thousands of kilograms of mushrooms every week. Its nutritious and delicious mushrooms are hand-harvested and graded by a specially-trained team, and travel fewer kilometres to deliver locally-grown fresh product.

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ADI International Inc.

ADI International Inc.

Central Compost Facility

ADI International Inc. operates the Central Compost Facility in Brookfield, Prince Edward Island, Canada. The facility is specially-designed to transform municipal and industrial organic wastes from across the province into Category A compost. With 52 stainless, steel-lined containers sized at 22 tons each, ADI International is home to one of the largest containerized composting facilities in the world.

Compost travels through several carefully-maintained processes—everything from receiving and pre-processing to curing, refining, and storage. ADI International’s composting technology complies with strict environmental requirements related to odor control and groundwater protection. The company processes 30,000 tons of feedstock per year, diverting organics from entering the landfill and helping protect our planet.

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