Victor J. Barnhart

US Ecology Holdings, Inc. engages in the provision of industrial waste management and recycling services to commercial and government entities, including refineries and chemical production facilities, manufacturers, electric utilities, steel mills, medical and academic institutions, and waste brokers. It operates through the Environmental Services, and Field and Industrial Services segments. The Environmental Service segment provides a range of hazardous material management services including the transportation, recycling, treatment, and disposal of hazardous and non-hazardous waste at company-owned landfills, wastewater, and other treatment facilities. The Field and Industrial Services segment offers packaging and collection of hazardous waste and total waste management solutions at customer sites and through its 10-day storage facilities. The company was founded in 1952 and is headquartered in Boise, ID.

Part of IT Group, Inc., OHM Corp. is a full-service electrical engineering corporation that provides maintenance, modernization, and expansion design services to industrial, commercial, and government clients. The company is based in Findlay, OH. The company delivers expert engineering and design solutions on time and within budget, with direct communication between clients and top engineers during all project phases. OHM has been in business since 1986 and offers forensic electrical engineering investigations and expert witness services to the insurance and legal community. OHM was acquired by International Technologies Corp. on June 11, 1998 for $162.93 million.

NSC Corp. provides asbestos abatement and other specialty contracting services. It provides lead paint abatement, indoor air quality and industrial services to industrial and institutional clients located throughout the United States. The company is headquartered in Methuen, MA

Power Equipment Maintenance, Inc. provides maintenance and modification services to the power generation industry. It offers turbine, generator inspection, turnkey projects, contract maintenance, staff augmentation, equipment repair, and refurbishment services to the nuclear, fossil, and hydro power generation industries. The company was founded by Keith Ravan in 1996 and is headquartered in Piedmont, SC.

Chem-Nuclear Systems LLC operates as a commercial low-level radioactive waste disposal services. It receives and disposes radioactive waste from generators, brokers and processors. The company was founded in 1971 and is headquartered in Columbia, SC.

Desert NDT LLC engages in provision of non-destructive testing, inspections, and data management services for pipelines, plants, fabrication and midstream infrastructure. It offers automated ultrasonic testing, real-time radiography, X-ray crawlers, conventional gamma radiography, ultrasonic testing, magnetic particle testing, liquid penetrant testing, API inspections, specialty inspections, and radiography inspection equipment for small- and large-diameter pipes. The company was founded on January 27, 2012 and is headquartered in Houston, TX.

GEM Mobile Treatment Services, Inc. provides wastewater treatment services. It specializes in the treatment of water and air, in-house engineers and scientists apply vapor control technologies to operations, such as tank degassing, using vapor combustion, liquid scrubbing, or carbon absorption for emissions control. The company was founded in 1994 and is headquartered in Signal Hill, CA.