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.�