AET Group is an employee-owned multi-disciplinary environmental consulting, auditing and scientific services company. With over 1,000 projects completed in Ontario and across Canada, AET offers extensive experience, capabilities and a proven track record that, among other benefits, assures that our clients receive value-added services, credible results and effective solutions.

Established in 1974, Hatfield Consultants provides high-quality environmental services for private and public sector clients throughout the world, including North and South America, Asia, Europe and Africa. Hatfield provides services in the areas of aquatic ecology, environmental assessment and monitoring, contaminant monitoring, GIS and remote sensing, environmental information systems, biodiversity assessments and international development