IEM is proud of our engineering efforts to support Projects that are Financially, Environmentally, and Socially Sustainable. Our integrity, drive and strong engineering expertise allow us to provide engineering fundamentals and financial justifications for worthy projects. Talk to us if you want quality work, on time, and on budget. Generational integrity pays off in the long run. IEM offices are located in Sarnia, Ontario, an innovative Cleantech area home to solar arrays, wind energy, active in bio-industrial enterprise, and sustainable industrial development. more... See more text