Langan 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, serving clients in land development, infrastructure, corporate real estate, data centers, renewable energy and transportation. Its multidisciplinary workforce includes engineers, environmental consultants, geologists, surveyors, planners and digital specialists.
Technical work spans site and civil engineering, geotechnical engineering, environmental consulting and permitting, transportation engineering, energy, surveying and geospatial services, and landscape architecture. Site and civil services cover site studies, planning, design, permitting and construction-phase engineering, while the geotechnical practice provides investigation and engineering for development and infrastructure projects.
For technology professionals, Langan develops digital solutions for infrastructure and facility portfolios. These include data-management, GIS, analytics and asset-management products built on the firm's surveying, geospatial and engineering disciplines. Roles in this area draw on skills in geospatial/GIS, data management and analytics, asset management and digital delivery.
Leadership is in transition: David T. Gockel serves as President and CEO and will become Executive Chair, with Ryan C. Linthicum assuming the role of CEO on January 1, 2027.
