Ground Systems & Infrastructure

General Dynamics Mission Systems is a major defense contractor with significant space operations. The company builds ground systems for satellite constellations, secure communications systems for mili

Mitsubishi Electric Corporation's Space Systems division (commonly known in the industry as MELCO Space), headquartered in Tokyo and part of the Mitsubishi Electric Corporation founded in 1921, is Jap

In 2026 L3Harris sold a controlling stake in its Space Propulsion and Power Systems business (most of the former Aerojet Rocketdyne) to AE Industrial Partners, keeping the RS-25 engine and a minority

NEC Space Technologies is the space systems division of NEC Corporation (Nippon Electric Company, Tokyo, founded 1899), Japan's largest information and communications technology conglomerate with annu

Jacobs is a global engineering and consulting firm founded in 1947, with approximately $12 billion in annual revenue and a team of nearly 43,000 professionals. While operating across diverse sectors i

China Satellite Communications Group Co., Ltd. (China Satcom, 中国卫星通信集团) is a Beijing-headquartered state-owned enterprise established in 2001 under the State-owned Assets Supervision and Administratio

CACI International is a leading provider of mission-critical space solutions, delivering advanced signals intelligence, optical communications, and satellite systems for national security and intellig

SiriusXM is America's leading audio entertainment company providing satellite radio and online radio services. Formed from the 2008 merger of Sirius and XM Satellite Radio, the company operates a cons

Kratos Defense & Security Solutions, Inc., founded in 1994 and headquartered in San Diego, California, is a technology company focused on the defense and aerospace industries. The company specializes

Kratos Defense Space is the satellite ground systems and communications division of Kratos Defense & Security Solutions (Nasdaq: KTOS). The division provides satellite command and control software (Qu

Parsons Corporation (NYSE: PSN) is a US defense and intelligence technology company with approximately $6 billion in annual revenue, providing critical mission systems for space domain awareness, miss

Mercury Systems (Nasdaq: MRCY) is an Andover, Massachusetts defense electronics company founded in 1981 that is a leading supplier of radiation-hardened processors, secure processing modules, and miss