OHM Corporation is one of the largest providers of technology-based, on site hazardous waste remediation services in the United States. The company provides services primarily to government agencies and to large chemical, petroleum, transportation and industrial companies. In addition to technology-based, on-site remediation services, the company also offers a broad range of other services, including site assessment, engineering, remedial design and analytical testing. These services are provided through twenty five regional offices, one fixed laboratory at its headquarters in Findlay, Ohio, nine mobile laboratories, and more than 2,700 pieces of mobile treatment and related field equipment. In 1997 the company acquired Beneco Enterprises Inc.