TRS Group, Inc. is the world’s most experienced provider of Electrical Resistance Heating (ERH) for in situ soil and groundwater remediation. TRS has applied ERH on 100 projects. TRS consistently meets and surpasses our client’s objectives, providing rapid closure to sites that have often attempted other remediation technologies without success. With 45 offices throughout the U.S., the world’s largest and highest-quality fleet of ERH specialty equipment, and an outstanding safety record, TRS has become the leader in subsurface heating.