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About the Ontario's Environment Industry Association (ONEIA)

Established in 1991, ONEIA is the business association representing the interests of the environment industry in Ontario. Our network of thousands of contacts includes key people at environmental technology, product and service companies, law, investment and insurance firms, institutes, universities and governments. Through their innovation and experience in Ontario and around the world, Ontario’s environment industry provides market-driven solutions for society's most pressing environmental problems.

While our industry is diverse, ONEIA provides a place where a variety of companies, entrepreneurs and other organizations in the environment field can come together to work on common concerns, share information and explore business opportunities.  Through ONEIA, they can work towards a society that understands and values the contribution that market-based solutions make to our environmental problems.

About Ontario's Environment Industry

ONEIA and the Ontario government have partnered to produce a brief video that explains and promotes the Ontario environment industry.

Key stats on Ontario’s Environment Industry (according to 2019 Statistics Canada)

  • Includes more than 3,000 environment companies in Ontario
  • Offers world-class technology and environmental services
  • Employs more than 134,000 highly trained people
  • Contributes $25.4 billion to Ontario's economy
  • Creates exports with a value approaching $5.8 billion

Leading edge innovation

Ontario’s environment industry develops environmentally innovative and economically efficient technologies and management solutions for a wide range of needs.

Advanced solutions for air and water pollution, solid waste, and management of hazardous materials, site remediation and decontamination, and others have been developed and commercialized by Ontario companies.

World-class technologies

Ontario’s environment industry offers the world’s best environmental technologies. Whatever the challenge and whatever the need, Ontario’s environment industry can offer a range of solutions that are cost-effective and environmentally sound. From municipal water treatment to the most advanced renewable energy technology, Ontario companies offer solutions that set a world standard.

Global solutions

Ontario companies export environmental technologies and services to every part of the globe. From the Amazon basin to the deserts of North Africa, Ontario companies are leading providers of the best in environmental technology and knowledge. Ontario experts participate in many of the world’s leading environmental forums and work alongside government agencies to develop solutions for many of the world’s most serious environmental and public health challenges.

Innovation, competitiveness and green jobs

Environmental innovation is the key to helping Ontario industry succeed in world markets. Ontario environment companies help our industry produce higher quality goods with lower environmental impact, reducing their energy costs, water usage, waste generation and general environmental footprint. This makes them more competitive in the global economy. And in the process, our environment firms employ tens of thousands of highly skilled professionals with hands-on experience in Canada and around the world – creating green jobs and green technology for the prosperous Ontario of tomorrow.

Ontario Environment Industry Association (ONEIA)

192 Spadina Avenue, Suite 300, Toronto, Ontario, Canada, M5T 2C2

Tel: 416-531-7884 Email: info[at]

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