Tutor Perini 

Tutor Perini Corp offers general contracting, construction management, and design-build services to private and public customers. The company constructs and repairs transportation infrastructure, water-treatment facilities, and a wide range of buildings. Tutor Perini has three operating segments: Civil, Building, and Specialty Contractors. A majority of its revenue is generated from the Civil segment, which specializes in public works construction and the replacement and reconstruction of infrastructure. Its civil contracting services include construction and rehabilitation of highways, bridges, tunnels, mass-transit systems, military and other government facilities, and water management and wastewater treatment facilities. Geographically it derives key revenue from the United States.