Upcoming Events
Don't Miss Our Next Event
Explore our upcoming events designed to foster engagement and support for the environmental industry. Each event promotes networking, professional development, and advocacy.
2026 Business + Policy Forum
May 12, 2026
2026 Golf Tournament
July 22, 2026
Royal Ontario Golf Club, 6378 Trafalgar Rd, Milton, ON
Our Purpose
ONEIA exists to champion and strengthen Ontario’s environment and cleantech sector—advancing its vital role in driving economic growth and enabling the success of the province’s broader economy.
As a non-partisan industry association, ONEIA connects businesses, innovators, and decision-makers to inform policy, unlock market opportunities, and accelerate the adoption of practical, market-ready environmental solutions.
Through informing minds, connecting people, and leading change, ONEIA ensures the sector’s value is recognized and it is positioned to deliver impact where it matters most.
Networking + Member Support
Our membership support offers guidance on navigating the environmental sector while providing resources that enhance your experience. Join us to connect with others in the industry and gain valuable insights.
Business Building + Events
We handle all aspects of event management, from planning to execution. Let us help you create engaging environmental events that attract attendees and showcase our mission.
Advocacy + Policy Advancement
Access vital advocacy resources to stay informed and engaged. We provide tools and information that empower you to support environmental initiatives effectively.
Member Testimonials
Hear directly from our members about their experiences with ONEIA.
Advance Your Business.
Shape the Sector.
Join ONEIA to gain influence, visibility, and access in Ontario’s environmental sector.
Membership connects you with decision-makers, exclusive events, and timely industry intelligence—helping your organization grow, compete, and lead in a rapidly evolving market.