APG vs LDOS Comparison

APi Group Corp operates in two segments: Safety Services segment includes providing safety services in North America, Asia Pacific, and Europe, focusing on end-to-end integrated occupancy systems (fire protection solutions, Heating, Ventilation, and Air Conditioning and entry systems), including design, installation, inspection, and service of these integrated systems. These services are provided in commercial, education, healthcare, high tech, industrial, and special-hazard settings. Specialty Services segment includes providing a variety of infrastructure services and specialized industrial plant services, which include maintenance and repair of critical infrastructure such as underground electric, gas, water, sewer, and telecommunications infrastructure.

Leidos Holdings Inc is a technology, engineering, and science company that provides services and solutions in the defense, intelligence, civil, and health management, both domestically and internationally. The customers of the company includes the U.S. Department of Defense ("DoD"), the U.S. Intelligence Community, the U.S. Department of Homeland Security ("DHS"), the Federal Aviation Administration ("FAA"), the Department of Veterans Affairs ("VA"), and many other U.S. civilian, state and local government agencies, etc. The company is engaged in four reportable segments; National Security & Digital, Health & Civil, Commercial & International and Defense Systems. It provides a wide array of scientific, engineering and technical services and solutions across these reportable segments.