United Airlines Holdings (formerly known as United Continental Holdings) is an airline holding company that primarily operates through its wholly-owned subsidiary United Airlines.
Lockheed Martin is a security and aerospace company engaged in the research, design, development, manufacture, integration, and sustainment of technology systems, products, and services.
Northrop Grumman is a company providing autonomous systems, cyber, C4ISR (Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance), strike, space, logistics, and modernization solutions.
Frontier Airlines (also known as Frontier Group Holdings) is a low-fare airline company that provides passengers with group, charter, and cargo transportation services.