Tutor Perini Corporation operates through three primary business segments: Civil, Building, and Specialty Contractors. The Civil segment focuses on heavy infrastructure projects such as highways, bridges, tunnels, mass-transit systems, and water management facilities. The Building segment undertakes the construction of commercial, hospitality, healthcare, and educational facilities. The Specialty Contractors segment provides electrical, mechanical, plumbing, and HVAC services. Headquartered in Sylmar, California, the company serves both private customers and public agencies globally. Tracing its roots back to 1894 and formed in its current iteration through the 2008 merger of Perini Corporation and Tutor-Saliba Corporation, Tutor Perini has established a strong competitive position by successfully delivering massive, complex mega-projects.