The City of St. Louis in USA has received 18 responses for the RFQ issued for operation and maintenance concession for st. Louis airport. St. Louis Lambert International Airport (STL) is located in St. Louis, Missouri. The Airport is comprised of 2,800 acres and served 13.9 million passengers in 2016. The Airport serves several municipalities in and around St. Louis and St. Charles Counties in Missouri and St. Clair and Monroe Counties in Illinois.

Following are the companies who submitted their qualifications for the concession: 

• AENA Internacional
• AMP Capital
• Atlantia
• Corporación América Airports (CAAP)
• daa International
• Global Infrastructure Partners
• GRID Realty
• IFM Investors and MAG Overseas Investments Limited, on behalf of Manchester Airports Group
• Lambert Gateway Partners (a consortium including Blackstone Infrastructure Partners, Groupe ADP, the Hall of Fame Group, The Bridgeman Hospitality Group, Cleveland Avenue and the Public School and Education Employee Retirement Systems of Missouri)
• Momentum Aviation Partners (a consortium including Partners Group (USA), ASUR and AECOM Hunt)
• Morrison & Co.
• Odinsa (Grupo Argos)
• OMERS Infrastructure and Fraport