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About
Who We Are
Leadership
History
Citizenship
Langan International
Services
Site/Civil
Geotechnical
Environmental
Energy
Earthquake/Seismic
Traffic & Transportation
Surveying/Geospatial
Environmental Compliance
EHS Management & Compliance
Sustainability Advisory Services
Landscape Architecture
Land Use Planning
Natural Resources & Permitting
Cultural & Heritage Management
Sustainable Design
Waterfront & Marine
Geologic Hazards
PFAS
Demolition
Digital Solutions
Digital Solutions
Systems and Development
Geographic Information Systems (GIS)
Data Management & Analytics
Surveying/Geospatial
EHS Management & Compliance
Asset & Facility Management
Portfolio
Tall Buildings
Land Recycling
Colleges & Universities
Environmental Remediation
Warehouse & Distribution Centers
Residential
Hospitals & Healthcare
Federal, State & Local Government
Retail
Stadium & Arena
P3/Concession
Infrastructure
Mixed-Use
Resorts, Hospitality & Casinos
K-12 Schools
Data Centers
Office Buildings & Campuses
Renewable Energy
Energy: Power & Transmission
Energy: Oil & Gas
Waterfront & Marine
Airports
Entertainment, Cultural & Parks
Health & Safety
Sustainability
News & Insights
Langan Newsletters
News & Awards
Videos
Regulatory Updates
Careers
Search Jobs
Connect With Us
Locations
US Offices
International Offices
General Contact