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.


Sept 9 ONEIA Excess Soil Session

Register now as we expect this session to fill up quickly!

Dealing with excess soil is a significant challenge for Ontario. Millions of dollars in development – and the quality of life in our communities – hang in the balance. To address this issue – and to share information – the Ontario Environment Industry Association is convening read more...

TO REGISTER please visit:
For SPONSORSHIP OPPORTUNITIES at this event, please contact Marjan at

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

Milton's Royal Ontario Golf Club played host for the second time to ONEIA's "Go Green on the Green" golf day on July 16.  More than 120 attendees joined us for a great day of golfing and networking on a sunny and cool summer day that was interrupted by a brief surprise rain shower.

The sold-out event started with a morning program,

To all those golfers and sponsors who supported our day - thank you!  Mark your calendar for next year's ONEIA Golf Day, tentatively scheduled for Wednesday, July 15, 2015.

For pictures of the day, please visit here

Call for Case Studies

The ONEIA Brownfield Advocacy Sub-committee has formed a Working Group for the Excess Soil Management in Ontario.  We are looking for Case Studies to be shared about projects that have been completed using the new MOE Best Management Practices. Read more...

Please forward any case studies to Marjan at info[at] 

ONEIA newsletter

Please CLICK HERE for the ONEIA newsletter April issue.

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.  Read more...

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

04 Sep 2014 • Chestnut Conference Centre, 89 Chestnut Avenue, Toronto, ON M5G 1R1 ROOM: Giovanni Room (2nd Floor)
09 Sep 2014 • Site visits and King Edward Hotel in downtown Toronto
09 Sep 2014 8:00 AM • Sheraton Toronto Airport Hotel & Conference Centre, 801 Dixon Rd, Toronto, ON M9W 1J5
20 Sep 2014 • The Netherlands
02 Oct 2014 • St-Laurent Boulevard, on the King-Edward Quay in the Old Port of Montreal. - See more at:
19 Oct 2014 • Niagara-on-the-lake, Ontario
27 Oct 2014 • Montreal, Quebec
19 Nov 2014 • International Centre, 6900 Airport Rd, Mississauga, ON
08 Dec 2014 • Toronto, ON


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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