Freese and Nichols Inc

AECOM Technology Corporation is an international professional technical services company providing consulting, design, program and construction management and operations and maintenance support to the transportation, environmental and building industries. The company serves both government and private clients. Founded in 1990, Aecom is nearly 85 percent employee-owned and is comprised of operating companies that have been in business for nearly 100 years. AECOM also provides technical support, international development assistance, and mining and power services. AECOM Technology Corporation is headquartered in Los Angeles and operates additional offices throughout the United States., Canada, Asia, the Middle East, Africa, Australia and Europe.

If a design project involves water, Alan Plummer Associates wants to be a part of it. Dedicated to water resources and environmental engineering, the firm balances sound engineering principles with innovative technology tailored to clients needs. The company can plan, model, design, get a permit and manage components of water resources during construction. APAI has a successful track record in water quality modeling, usually associated with discharge permits to streams or lakes for wastewater treatment plants. The company has aided municipal and water district customers in planning and conceptually laying out water distribution systems, wastewater treatment plant service areas and reuse distribution systems. APAI s projects include innovative solutions, such as constructed wetlands for municipal and industrial applications. Founded in 1978, the company is headquartered in Fort Worth, Texas.

Terracon is a leading provider of geotechnical, environmental, construction and other related services. The company s geotechnical services include subsurface exploration and testing, foundation analysis and design, in-situ testing and performance monitoring, earth structures and retention systems, dynamic analysis and evaluations, soil stabilization and ground improvements, ground water control solutions and pavement designs. Environmental services include site assessments and investigations, remedial designs and implementations, wetlands delineation and mitigation services, industrial hygiene and indoor air quality solutions, regulatory compliance services, environmental management systems and solid waste planning. Construction services include on-site observation and monitoring programs, quality control and assurance programs, field and laboratory testing, material selection consulting, forensic investigations and construction management services. Terracon is headquartered in Lenexa, Kan., and has opertions in Dallas.