tutor perini corporation, a construction company, provides diversified general contracting, construction management, and design-build services to private customers and public agencies worldwide. the company operates through three segments: civil, building, and specialty contractors. the civil segment engages in the public works construction, replacement, and reconstruction of infrastructure, including highways, bridges, tunnels, mass-transit systems, and water management and wastewater treatment facilities. this segment also provides drilling, foundation, and excavation support for shoring, bridges, piers, roads, and highway projects. the building segment offers services in various specialized building markets, including hospitality and gaming, transportation, healthcare, commercial offices, government facilities, sports and entertainment, education, correctional facilities, biotech, pharmaceutical, and industrial and high-tech. the specialty contractors segment provides electrical, me