Langan International
The firm’s wholly owned subsidiary provides integrated consulting services on complex projects beyond the borders of the U.S.

From its headquarters in New York and regional offices around the world, Langan International supports development projects throughout the Middle East, Europe, Asia, Africa, Central America, South America and the Caribbean.

Langan provides in-country expertise and resources to manage some of the most challenging projects worldwide. Together, the domestic and international offices of Langan perform around-the-clock to meet project deadlines and exceed expectations for global clients. 

Langan International Office Locations:
  • Abu Dhabi
  • Athens
  • Doha
  • Dubai
  • London
  • Panama
Our Projects Around the World

' data-title='Rion-Antirion Bridge' data-strategic='Parsons Transportation Group' data-architect='' data-designer='' data-service='
Environmental' data-serviceCustom='Lenders Technical Advisory
' data-client='GEFYRA (VINCI-led concession consortium)
Bank of America
Bank of Tokyo-Mitsubishi (UK)' data-images='' data-location='Corinthian Straits, Greece' data-id='1936' title='Link to Rion-Antirion Bridge' rel="bookmark"> Rion-Antirion Bridge Rion-Antirion Bridge Corinthian Straits, Greece

' data-title='Elefsina-Korinthos-Patras-Pyrgos-Tsakona (EKPPT) Motorway' data-strategic='VINCI (France)
HOCHTIEF (Germany)
J&P-ETETH (Greece)
AKTOR (Greece)
TERNA (Greece)' data-architect='' data-designer='' data-service='
Natural Resources & Permitting
Traffic & Transportation' data-serviceCustom='Lenders Technical Advisory
' data-client='Olympia Odos (VINCI-led concession consortium)
Crédit Agricole (France)
Natixis (France)
Alpha Bank (Greece)
Eurobank (Greece)' data-images=',,' data-location='Greece' data-id='1917' title='Link to Elefsina-Korinthos-Patras-Pyrgos-Tsakona (EKPPT) Motorway' rel="bookmark"> Elefsina-Korinthos-Patras-Pyrgos-Tsakona (EKPPT) Motorway Greece

' data-title='Museum of the Built Environment' data-strategic='Thornton Tomasetti
DeSimone Consulting Engineers' data-architect='FXCollaborative' data-designer='' data-service='
Traffic & Transportation' data-serviceCustom='' data-client='' data-images='' data-location='Riyadh, Kingdom of Saudi Arabia' data-id='2589' title='Link to Museum of the Built Environment' rel="bookmark"> Museum of the Built Environment Museum of the Built Environment Riyadh, Kingdom of Saudi Arabia