Thornton Tomasetti provides engineering design, investigation and analysis services to clients worldwide on projects of every size and level of complexity. We address the full life cycle of structures through our six integrated practices in Building Structure, Building Skin, Building Performance, Construction Support Services, Property Loss Consulting and Building Sustainability. Founded in 1956, today Thornton Tomas…

The Louis Berger Group is an internationally recognized consulting firm that provides engineering, architecture, program and construction management, environmental planning and science, and economic development services. For nearly 60 years, we have been a devoted and trusted partner to U.S. federal, state, and local government agencies; national, provincial, and local governments; multilateral institutions; and comm…

With a mission to understand, innovate, partner and deliver, exp provide professional, technical and strategic services to the world's built and natural environments in six key practice areas: Buildings, Earth & Environment, Energy, Industrial, Infrastructure, and Sustainability. Our heritage dates back to 1906, when the earliest of exp's predecessor companies started its engineering infras…