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.


Soil event provokes discussion, networking

ONEIA hosted a half-day event on September 9 that looked at regulatory and practical issues around soil management in Ontario.  A capacity crowd of more than 100 people from a range of firms heard from representatives of the Ministry of Environment and Climate Change, as well as read more...

Presentations are available here

ONEIA's Excess Soils Working Group asked to provide input

The Excess Soils Working Group (a subgroup of ONEIA’s Brownfields Committee) has been asked by the Ontario Ministry of Environment and Climate Change to bring together a small group of industry professionals to provide policy input.  The group will offer feedback on Excess Soils Management and Best Management Practices in an information exchange session that is being arranged for late September. 

MOECC has asked ONEIA for feedback as our membership represents a broad spectrum of the overall industry and can provide a unique cross-section of opinions and relevant concerns. 

Not yet an ONEIA member but interested in sharing some ideas?  Please contact Marjan at the ONEIA office at and we’d be happy to sign you up.

Go Green on the Green 2014 - a successful day with a bit of everything

The sold-out event started with a morning program,

Business and Policy Forum a success

The 2014 edition of the Ontario Environment Industry Association’s annual Environment and Cleantech Business and Policy Forum was a great success. 

The event, held on April 23 at the Marriott Eaton Centre Hotel, attracted more than 160 attendees from a range of environment firms, financial and investment companies and all levels of government.
Read more... and view pictures of the day.

ONEIA's 2014-2015 Member Directory is here!

Members, politicians hail success of EID 2013  

The 13th edition of ONEIA's annual Environment Industry Day (EID) was held on November 27, 2013 and received universally positive feedback.

ONEIA responds to proposed Great Lakes Strategy

Led by its Water Subcommittee, the Ontario Environment Industry Association has responded to the province's proposed Great Lakes Protection Strategy and accompanying Act.  Read more...

For a copy of ONEIA's response, click here.


Upcoming events

20 Sep 2014 • The Netherlands
24 Sep 2014 • Mississauga Grand 35 Brunel Road, Mississauga, Ontario
25 Sep 2014 • C Banquets, 12th Floor, Mississauga Civic Centre, 300 City Centre Drive, Mississauga, ON
02 Oct 2014 • St-Laurent Boulevard, on the King-Edward Quay in the Old Port of Montreal
08 Oct 2014 • Xerox Research Centre of Canada (Pake Auditorium), 2660 Speakman Drive, Mississauga ON
19 Oct 2014 • White Oaks Conference Resort, located at 253 Taylor Road in Niagara-on-the-Lake.
27 Oct 2014 • Montreal, Quebec
19 Nov 2014 • International Centre, 6900 Airport Rd, Mississauga, ON
08 Dec 2014 • Toronto, ON
17 Mar 2015 • Montreal


Click here to Join ONEIA


Ontario Environment Industry Association (ONEIA)
215 Spadina Avenue, Suite 410, Toronto, Ontario, Canada, M5T 2C7
Tel: 416-531-7884  Fax: 416-644-0116  Email: info[at]


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