Work Environment Associates, Inc.

Established in 1881, Froehling & Robertson specializes in heavy construction and civil engineering services. The company offers project management, material testing and geotechnical engineering solutions. Its staff is comprised of engineers, geologists, hydrogeologists, environmental scientists, hydrologists and industrial hygienists. Froehling & Robertson provides assistance with performance assessment, manpower utilization and cost estimation. The company maintains a fleet of drilling equipment, as well as operates geotechnical and construction material testing laboratories. It offers management and mitigation solutions to overcome environmental risks and liabilities. Froehling & Robertson additionally provides wetland investigation and characterization plan development services. The company is affiliated with several organizations, including the Carolinas Air Pollution Control Association, American Concrete Institute and the American Welding Society.

Established in 1970, Earth Tech is one of the leading providers of environmental and waste management consulting services throughout the United States. It has a staff of more than 7,000 trained professionals, including architects, engineers, researchers, builders and scientists. Operational for over 30 years, the company offers design and development, construction management, project planning and risk management services. The company provides services to residential, commercial and industrial customers. Earth Tech offers watershed and ground water protection, drought analysis, and evaluation and monitoring services. Its capabilities include conceptual and feasibility studies, process control and instrumentation, and modeling and residual management. Earth Tech maintains a presence in Richmond, Va.