 Alaska Airlines and Horizon Air are headquartered in the city.Four airlines have operations at 18000 Pacific Highway South (also known as 18000 International Boulevard) in the city, including Asiana Airlines, EVA Air, Hainan Airlines, and China Airlines.SeaTac's Department of Community and Economic Development was formed in early 2011 to create a one-stop permitting center, increase the level of service and assist in the facilitation of economic development by creating a more cohesive approach to real estate development and job creation.