- Rail & Transit: design, construction, construction management, operation, and maintenance of light rail, subways, commuter/inter-city railroads, railroads, freight transport, people movers, bus rapid transit, electrification, and multi-modal facilities.
- Highways & Bridges: design and construction of interstates/freeways, arterial highways/streets, interchanges, bridges, tunnels, and intelligent transportation systems; and development, operation, and maintenance of toll road systems.
- Water Resources & Hydropower: design, construction, and construction management of hydroelectric power, water supply, flood control, irrigation and drainage, hydraulic structures, and environmental and safety analysis.
- Government infrastructure: design, construction, and program management services in all infrastructure markets- US. and international-including security and reconstruction projects.