Jeppesen (also known as Jeppesen Sanderson) is an American company that specializes in navigational information, planes, operations management and optimization solutions, crew and fleet management solutions and flight training products and services. Jeppesen serves four market segments (Commercial Aviation, Business Aviation, Military, and General Aviation). Airlines and private pilots, airline operations centers, military teams, ship operators and boaters, as well as railway companies use Jeppesen charts, data, and operations management tools. The company is a subsidiary of Boeing. Jeppesen also publishes related software, some of which is used on its electronic flight bag and in others offered by avionics manufacturers and other third parties.