Doylestown, Pennsylvania

Selected Projects

Route 33/Main Street Interchange

Route 33/Main Street Interchange Palmer Township, PA

Shoppes at Old Bridge Old Bridge, NJ

Integrated Contingency Plan Bangor, PA

Verizon Pennsylvania, LLC – Air Quality Permitting and Compliance Pennsylvania

News and Awards

Award September 26, 2018

Langan Named a Best Place to Work in Pennsylvania

Best Companies Group has named Langan one of the Best Places to Work in PA for 2018.... read more