CALTROP is a firm that provides construction, operation and maintenance consultation services. It maintains office locations throughout the United States, France, China and the United Kingdom. The firm provides programming, funding, construction engineering, and project and construction management services. CALTROP offers claims mitigation, litigation support, construction inspection, and expert opinion and testimonial solutions. It also provides systems engineering, environmental, risk management, insurance, community outreach and public relations services. The firm specializes in the specialty inspection of concrete, structural steel, electrical, fiber-optic and communication projects. CALTROP has completed projects for the Department of Transportation, Orange County Transportation Authority and City of Fontana.