Langan Engineering & Environmental Services of Elmwood Park, New Jersey has acquired Treadwell & Rollo, a San Francisco-based geotechnical and environmental engineering firm helping to attain nationwide reach and shared access to technical resources. The acquisition is a first in the 40-year history of Langan, a privately held consulting firm with 500 employees in 14 offices around the world. 70 professionals from Treadwell & Rollo’s California offices in San Francisco, Oakland, San Jose and Sacramento will be added to Langan.
“Two elite firms with more than 60 years combined experience have joined forces to grow our client-focused business,” said David T. Gockel, President/CEO of Langan. “We are now capable of handling the most challenging projects anywhere in the country and beyond.”