From the first large-diameter tunnel constructed using a TBM in Florida to waterfront redevelopment at the Port of San Francisco to a cable stayed-bridge spanning the Gulf of Corinth in Greece, Langan has played a vital role in many of the most significant infrastructure projects in the United States and internationally. Our integrated mix of engineering and environmental services combined with our local presence in many key regions of the world makes Langan an ideal technical teaming partner to P3 developers, design-build construction companies, engineering firms, and architects specializing in infrastructure programs.



Site/Civil · Geotechnical · Environmental · Traffic · Surveying · Waterfront/Marine
Natural Resources + Permitting · Earthquake/Seismic · Lenders Technical Advisory