Christian Dale Structural Engineering

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.

Founded in 1992, Delta Groups Engineering provides wireless telecommunication site development solutions for the private and public sectors. It specializes in the installation of antenna structures, equipment rooms, self-supporting towers and snow shelters. The company offers design, structural engineering, architectural, project management, market analysis, field study, data collection, and site construction and development services. Its clients include Advanced Mobile Communications, American Tower Corporation, Bechtel Telecommunications, Cingular Wireless, Motorola/Earthlink, Ericsson, Optel Communications and Verizon Wireless. The company is a part of Delta Groups, which is one of the leading wireless telecommunications facility designing companies in the United States. Delta Groups Engineering is located in Irvine, Calif.