David Evans & Associates

AECOM Technical Services, a subsidiary of AECOM, is a California corporation based in Los Angeles. Specializing in delivering professional services throughout the project lifecycle, they excel in planning, design, engineering, and program and construction management. With a focus on sustainability and technical excellence, AECOM is committed to creating opportunities through innovative digital solutions. Their leadership team ensures a welcoming workplace where safety, ethics, and compliance are paramount. From iconic projects like the One World Trade Center to transformative initiatives in healthcare and transportation, AECOM's expertise spans across multiple markets and services. Their dedication to excellence and impactful projects makes them a trusted infrastructure consulting firm globally. Generated from the website content

Psomas is a consulting engineering firm that offers services in water resources, planning and entitlements, land surveying and mapping, construction management, environmental, geographic information systems, land development engineering and transportation to private sector, municipal/local agency, state and regional agency and federal agency clients. Some of the markets that the company provides services to include the land development market serving communities, commercial and retail properties, industrial, entertainment and education; transportation market, including airports, roadways, ports and rails; water market, such as water and wastewater facilities and watershed management; and the government markets. The company offers a variety of services, including civil engineering, construction management, information technology consulting, American Land Title Association coordination, natural resources, planning and entitlements, surveying and mapping, transportation engineering and water infrastructure. Psomas is headquartered in Los Angeles, with other locations in Arizona, Utah and Colorado.

KPFF Consulting Engineers, founded in 1960, provides various structural and civil engineering services. The company provides consulting and designing services for the construction industry. Its wide range of structural engineering projects include commuter rail stations, airports, parkway developments, public streets, office buildings, parking lots, commercial, retail and entertainment complexes, and theme restaurants. The company also provides consulting and designing for multiplex theaters, universities, underground utility tunnels, tower structures, condominiums, medical, diagnostic and research facilities, mental health centers, and city halls. KPFF Consulting Engineers is located in Los Angeles, and has branch offices in Seattle, San Diego, Phoenix, St.Louis, Denver, and San Francisco.