Langan Engineering and Environmenta

Langan Engineering and Environmental is an integrated engineering and environmental consulting firm founded in 1970 and headquartered in Parsippany, New Jersey. The firm works across the United States and internationally on land development and infrastructure projects, engaging from initial site studies through design, permitting, construction and operational asset management.

Its practice spans site and civil engineering, geotechnical engineering, environmental consulting and permitting, energy engineering - including support for renewable energy projects - transportation engineering, surveying and geospatial services, and landscape architecture. A digital practice covers data management, GIS, analytics and asset management for infrastructure and facility portfolios. Industry sectors served include land development, infrastructure, corporate real estate, data centers, renewable energy and transportation.

The workforce is multidisciplinary, combining engineers, environmental consultants, geologists, surveyors, planners and digital specialists. Langan has operated for more than 55 years. David T. Gockel, President and CEO, is scheduled to become Executive Chair when Ryan C. Linthicum becomes CEO on January 1, 2027.