Tutor Perini Corporation, formerly Perini Corporation, is a construction company offering general contracting, construction management and design-build services to private customers and public agencies. The Company operates through three segments. The Civil segment specializes in public works construction and the repair, replacement and reconstruction of infrastructure. The civil contracting services include construction and rehabilitation of highways, bridges and mass-transit systems. The Building segment provides services to a range of building markets for private and public works customers, including the residential, hospitality and gaming, transportation, healthcare, commercial and government offices, education, biotech, pharmaceutical and industrial markets. The Specialty Contractors segment specializes in electrical, mechanical, plumbing and fire protection systems. It also offers a range of civil and building construction projects in the industrial and commercial markets.