Worley Parsons

AECOM 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. AECOM also provides technical support, international development assistance, and mining and power services. AECOM is headquartered in Los Angeles and operates additional offices throughout the United States., Canada, Asia, the Middle East, Africa, Australia and Europe.

Established in 1973, VA Consulting is an engineering firm specializing in the fields of land development, transportation, water resources, and land surveying. It provides planning, design, and construction services. Its staff includes registered civil engineers, traffic engineers, land surveyors, planners, designers and mapping technicians. The firm provides various land development services, such as entitlement processing, due diligence, infrastructure design and construction support. It provides tract maps, grading and drainage services. VA Consulting offers various water resources, such as water distribution and pump and sewer collection and treatment systems. It provides watershed management and flood routing services. The firm provides transportation and traffic engineering services. It has offices in Rancho Mirage, Corona and Irvine, Calif.