The correct answer is Hartsfield-Jackson International Airport.
Hartsfield-Jackson International Airport in Atlanta, Georgia, is one of the biggest and busiest airports in the world. It requires many people to perform different duties in many different areas: customs, security, food services, parking lot, aviation, cargo, among others. That is why Hartsfield-Jackson International Airport provides many jobs for people in the state of Georgia. To keep running a 24/7 operation with minimal errors, it is required very qualified employees.
The facility originally opened in 1926, and now employs 55, 300 people, including transportation, concessionaire, security, the federal government, and city employees. It has a payroll of $2.4 billion and a direct and indirect economic impact of $3.2 billion in on the local and regional economy.