A Canadian environmental specialty services company, assisting industrial, governmental and public clients to manage and minimize their impact on the environment, by using world-class expertise and excellent science and engineering. started in 1980, wholly Canadian owned, Canadian offices in Richmond Hill, Ottawa, Vancouver, Edmonton, Yellowknife, worldwide offices in U.S.A.: Oak Ridge, TN; Denver, CO; and Casper, WY and in India: New Delhi; Kolkata; Mumbai; and Hyderabad; and, Richmond Hill Corporate Office became ISO 9001 compliant in 2009 more... See more text