8(a) contracting provisions. NANA Development Corporation earned corporate revenues of $1.7 billion in 2013. Examples of some of the more than 30 companies NANA owns, or owns a stake in, are listed below. Oil and gas NANA provides support for oilfield and natural gas operations and associated services. Subsidiaries in the petroleum sector include the following: NANA Major Drilling, based in Salt Lake City, Utah, which specializes in drilling services for shallow gas and coal bed methane. NANA Oilfield Services, based in Anchorage, Alaska, provides oilfield support services to companies working on Alaska's North Slope. NANA WorleyParsons, based in Anchorage, Alaska, specializes in engineering, design and project management in the petroleum sector. Motion pictures NANA invests in the Alaska-based motion picture industry: Evergreen Films, NANA invests in Evergreen Films, an Anchorage and Los Angeles-based motion picture company. Piksik, based in Anchorage, Alaska, is a support services company specializing in film, TV, digital content and print ad production support. Mining Red Dog Mine, the largest zinc mine in the world, is located on land owned by NANA north of the Arctic Circle and is developed by NANA in partnership with Teck Cominco. Other NANA subsidiaries which serve the mining sector include: Paa River Construction, based in Anchorage, Alaska, a construction and support firm that primarily serves activities at the Red Dog Mine. NANA Lynden Logistics, based in Anchorage, Alaska, which provides transportation and logistical services in the mining sector, primarily at Red Dog Mine. NANA Major Drilling (see above) NOSI, based in Anchorage, Alaska, is the only full-service Chevron Distributor on the North Slope. Tuuq, based in Anchorage, Alaska, was established to provide drilling services to that area. Hospitality Pegasus Aircraft Maintenance Services, based in Anchorage, Alaska, provides aircraft maintenance and ground support services at the Ted Stevens Anchorage International Airport, in Anchorage, Alaska. NMS, based in Anchorage, Alaska, provides food service and hotel management, including six owned and or operated hotels in Anchorage, Fairbanks and Kotzebue. Technology services, healthcare and contracting Akima Management Services, based in Charlotte, North Carolina, is a company that provides services in the healthcare industry, technology industry and to the federal government. WHPacific, based in Anchorage, Alaska, offers engineering, planning and architectural services in eight Western states Five Rivers Services, based in Colorado Springs, Colorado, provides C4ISR services to the Department of defense and other federal government agencies. Truestone, based in Herndon, Virginia, is an IT