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Cedar Poly is a Tipton, IA-based company in the Energy and Utilities sector.
Ace Waste Services is a Fort Lauderdale, FL-based company in the Energy and Utilities sector.
Covanta SEMASS is a West Wareham, MA-based company in the Energy and Utilities sector.
Gulf Coast Waste Disposal Authority (GCA) is a Houston, TX-based company in the Energy and Utilities sector.
Clean Harbors is the leading provider of environmental, energy and industrial services throughout North America. The Company serves a diverse customer base across a broad range of vertical markets, which includes a majority of the Fortune 500 companies, numerous federal, state, provincial and local governmental agencies, and through its Safety-Kleen subsidiary, over 200,000 small and medium sized businesses. Headquartered in Norwell, Massachusetts, Clean Harbors maintains an industry leading portfolio of waste disposal and solvent recycling facilities and service locations throughout the United States and Canada, as well as Mexico and Puerto Rico.