Expert Engineering Sciences

Established in 1971, Krieger & Stewart Inc. is a civil and environmental engineering consulting firm. Based in Riverside, Calif., the firm primarily provides its service to public agencies throughout California, including cities, counties, redevelopment agencies, water and wastewater agencies and community services districts to name a few. The company offers a number of services, including budget preparation, project planning, preliminary design studies and design and construction engineering. The firm maintains a complete line of technologically advanced engineering, accounting and word processing computer equipment and software. It also stores a large inventory of advanced surveying and field test equipment. Some of the company's clients are Desert Water Agency, City of Colton, Santa Ana Watershed project authority and City of Riverside.

Founded in 1945, Albert A. Webb Associates is a full-service engineering and consulting company. It offers a variety of civil engineering and master planning services. The company provides water and wastewater treatment, feasibility study, project budgeting, energy management and stormwater quality control solutions. Albert A. Webb Associates also offers a range of traffic and transportation services, including traffic control and signal design. It provides construction management, inspection and environmental engineering services. The company offers tax consulting, entitlement processing and landscape architecture solutions. Albert A. Webb Associates provides land surveying and mapping, database design and drainage services. It serves various city, county and finance agencies, as well as commercial, industrial and residential developers.

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.