Emission Monitoring Service, Inc.

Founded in 1986 and headquartered in Baytown, Texas, EMSI is a leading environmental services company providing emissions leak detection and repair services. The Company designs and administers programs necessary for client compliance with a complex array of federal, state and local environmental regulations. EMSI employs more than 300 technicians within some of the largest refineries, petrochemical, natural gas processing, oil and gas pipeline, and specialty chemical plants in the United States. It serves more than 150 facilities in 38 states across the nation, with a leading presence in the Gulf Coast region.