James R. Baumgardner

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.

WaferTech LLC manufactures semiconductor and integrated circuits (ICs) which are used in computers, electronics, and automobiles. It develops mixed-mode, logic, and volatile/non-volatile memory chips. The company was founded in June, 1996 and is located in Camas, WA.

SECOR International, Inc. provides environmental engineering and consulting services. The company also provides remediation management, consulting, compliance and permitting services to the petroleum, chemical, basic industrial, pulp & paper and the power industries. SECOR International was founded in 1989 by James A. Young and is headquartered in Redmond, WA

Waste Control Specialists LLC provides waste recycling services. It engages in processing, storing, and disposing hazardous, toxic, and low-level and mixed low-level wastes. The firm offers solutions for the proper and safe management of radioactive, hazardous, and mixed waste. Its clients include Amgen, Dynegy, Mactec. The company was founded in 1989 and is headquartered in Dallas, TX.

Inland Management, Inc. provides industrial cleaning, environmental consulting, and remediation services. The company was founded on February 21, 1985 and is headquartered in Plymouth, MI.

NV5 Geospatial, Inc. provides geospatial solutions. It offers aerial survey, mapping, and GIS services to customers in engineering, industry, and government. The company was founded in 1969 and is headquartered in St. Petersburg, FL.

Inland Pipe Rehabilitation LLC engages in the provision of underground pipe rehabilitation services. It offers trenchless rehabilitation services and technologies to repair and maintain critical water, wastewater and industrial pipe infrastructure. The firm's services include pipe bursting, cured in place pipe, expanda, sliplining, tv and sonar inspections and underground cleaning. The company was founded in 1973 and is headquartered in Conyers, GA.

Peak Utility Services Group, Inc. provides telecommunication and energy solutions. The firm offers full suite of aerial telecom, underground telecom, overhead electric, underground electric, joint utility trenching and directional drilling services. The company was founded by Shane Bryan Mace in 2002 and is headquartered in Wheat Ridge, CO.

NRC Group Holdings Corp. engaged in the provision of environmental, compliance, and waste management services. It operated through the following business segments: Domestic Standby Services, Domestic Environmental Services, International Services, and Sprint. The Domestic Standby Services segment supplied commercial standby oil spill compliance and emergency response services. The International Services segment included the provision of industrial, emergency response and drainage services. The Domestic Environmental Services segment provided environmental and industrial services to energy, engineering and construction, environmental, health care, industrial, maritime, railroad, transportation and other customers across the United States. The Sprint segment offered energy-related services and waste disposal services predominately to upstream energy customers currently concentrated in the Eagle Ford and Permian Basins. The company was founded on June 3, 2017 and was headquartered in Houston, TX.