Allegiant Travel Co. engages in the provision of travel services. The company is headquartered in Las Vegas, Nevada and currently employs 5,318 full-time employees. The company went IPO on 2006-12-08. The company operates through two segments: Airline Segment and Sunseeker Resort segment. The Airline segment operates as a single business unit and includes all scheduled service air transportation, ancillary air-related products and services, third party products and services, fixed fee contract air transportation and other airline-related revenue. The Sunseeker Resort segment represents activity related to the development and construction of Sunseeker Resort in Southwest Florida, as well as the renovation of Aileron Golf Course. The company provides scheduled air transportation on limited-frequency, nonstop flights predominantly between under-served cities and popular leisure destinations. The company offers ancillary air-related products and services. The company provides third party travel products such as hotel rooms and ground transportation.