William Hulligan

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 private 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

EarthCare Co. is a full-service wastewater transportation and management company targeting all segments of the wastewater market, including commercial, industrial, municipal and residential applications. The company and its subsidiaries are engaged in three non-hazardous waste divisions, which include EarthCare Solid Waste division, provides collection, transfer and disposal of non-hazardous solid waste in Hillsborough County, Florida, EarthAmerica division, provides non-hazardous liquid waste collection, processing, treatment, disposal, bulk transportation, pumping, plumbing and maintenance services and EarthLiquids division, provides NLW used oil and oily wastewater recovery and treatment services and it also sells refined oil derived from used oil and oily wastewater.

Waste Services, Inc. operates as a integrated solid waste services company. It provides collection, transfer, landfill disposal and recycling services for the commercial, industrial and residential industries. It was founded in 1997 and is headquartered in Burlington, CA.

National Waste & Recycling Association operates a trade association. The non-profit company is based in Washington. The CEO of the American company is Darrell Smith.

Progressive Waste Solutions Ltd. provides non-hazardous solid waste collection, recycling, and landfill disposal services to commercial, industrial, municipal and residential customers throughout U.S. and Canada. Its Canadian business principally operates under the Progressive Waste Solutions, BFI Canada and WSI brand which provides vertically integrated waste collection, recycling and disposal services. Progressive Waste Solutions was founded on July 2, 2010 and is headquartered in Vaughan, Canada.