Jim Waterman

Controlled Environment Systems LLC is a full-service company that designs, engineers, and installs controlled environments, including cold storage facilities, clean rooms, and other climate-controlled rooms. The company is based in Mansfield, MA, and has subsidiaries in the United States. The company also fabricates products such as insulated panels and doors, custom control systems, and proprietary air handling systems. The company's mission is to promote healthy and sustainable living by creating the perfect environment for the food chain, life-sciences, and mission-critical industries. Controlled Environment Systems was founded in 1985, and Don Roussinos has been the CEO of the company since 2019.