Organization Services

Founded in 1970, Langan Engineering & Environmental Services is a U.S.-based multidisciplinary consulting firm headquartered in Parsippany, New Jersey.With over 1,600 professionals across more than 32 U.S. locations and six international offices—including in Abu Dhabi, Dubai, and London—Langan provides integrated engineering and environmental services.Their offerings span geotechnical, site/civil engineering, environmental and energy services, transportation planning, surveying, GIS, permitting, and landscape architecture..Langan’s unique one-stop-shop model was accelerated by integrating environmental services in 1985, helping boost its growth and client reach.Over the decades, the firm has become renowned for technical excellence, practical industry experience, responsiveness, and sustainability expertise.