Components & Subsystems

GE Aerospace (NYSE: GE) is one of the world's largest aero-engine manufacturers. It is listed here for completeness rather than for an identifiable space division: GE Aerospace publishes no space syst

Texas Instruments Space (Nasdaq: TXN, ~$185B market cap) is the space-qualified product division of Texas Instruments Incorporated, a Dallas, Texas-based semiconductor giant founded in 1951 — historic

Amphenol Aerospace is a leading global supplier of space-qualified interconnect solutions, delivering hermetically sealed connectors, high-speed fiber optics, and ruggedized cable assemblies engineere

Safran is a French multinational aerospace company founded in 2005, with a core focus on the development and delivery of technologies within the propulsion and electronics sectors. While specific prod

Parker Hannifin Space, a division of the century-old Parker Hannifin Corporation, focuses on the design and manufacture of critical components for the space industry. The company specializes in spacec

BAE Systems is a British multinational defense company founded in 1999 and headquartered in Farnborough, United Kingdom. While broadly categorized within the defense and electronics industries, the co

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

TransDigm Group (NYSE: TDG) is a Cleveland, Ohio-based aerospace component manufacturer founded in 1993 and publicly traded with a market capitalization exceeding $70 billion — one of the largest spec

TE Connectivity Space, founded in 2007 and based in Schaffhausen, Switzerland, is a focused business unit of TE Connectivity specializing in the design and manufacture of critical components for the s

Honeywell Space, a division of Honeywell Aerospace (Nasdaq: HONA), which became a standalone company when Honeywell completed its three-way separation on 29 June 2026, and focuses on providing critica

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

HEICO Corporation (NYSE: HEI, HEI.A) has evolved from a small aerospace components manufacturer into one of the most successful growth stories in the aerospace and defense industry, with significant c