World Top 100 Space Products Companies List by Market Cap as of August 2026

Japan based electrical and electronics company with around 142,000 employees as on Dec-2018. Core manufacturing products are in business segments:

Honeywell International is Technology and Engineering Products developing and manufacturing company having it's headquarters in USA.

Honeywell provides Technology, Software and Engineering Services.

Honeywell company invents and manufactures technologies that address some of the world’s most critical challenges around energy, safety, security, productivity and global urbanization.

TRANSDIGM GROUP manufactures aerospace components with headquarters is in Ohio, USA.

TransDigm, Inc., is a designer, producer and supplier of highly engineered aircraft components for use on nearly all commercial and military aircraft in service today.

As on 2022, TRANSDIGM GROUP has 14,400 employees.

The Company’s businesses are organized and managed in three reporting segments:

Develops and manufactures electrical systems and technology solutions for Defense, Aerospace, Space, Security markets with headquarters is in Paris, France.

Harris and L3 Technologies merged to form L3Harris Technologies.

L3 Technologies is a technology Company with business Segments of L3 Technologies are ISR Systems, Communications & Networked Systems, Electronic Systems. One of the World's top 10 providers of Defense and Aerospace Equipment.

Harris Technology Products and Electronics Products manufacturing company with headquarters is in USA.

Technology-driven aerospace, industrial, defense and electronics company with headquarters is in Florida, USA.

HEICO CORPORATION supplies NASA & JPL's PERSEVERANCE ROVER HAS MISSION COMPONENTS.

NASA on this remarkable accomplishment, and are proud of the 4 HEICO companies are : -Apex Microtechnology, - Sierra Microwave Technology, -3D PLUS, -VPT, Inc., that have contributed to this historic achievement in space exploration.

HEICO CORPORATION total number of employees in 2022 was 6,500.

Leonardo is a Aerospace, Defence and Security company. It is having more than 49,000 employees. It's products and solutions are used in over 150 countries worldwide and operate across five divisions with an international network of subsidiaries and joint ventures. The headquarters is in Italy.

ISRO is space research organization company with headquarters is in India. It is government organization.

Teledyne Technologies is all about electronic subsystems and instrumentation. The Company provides aerospace and defense electronics, digital imaging products and software, monitoring instrumentation for marine and environmental applications, harsh environment interconnect products, and subsystems for satellite communications. The headquarters is in USA.

As on 2022, Teledyne Technologies has 14,700 employees

Dassault Aviation is a French aerospace company that shapes the future by designing and building military aircraft, business jets and space systems. Rafale Jets, nEUROn combat drones, Falcon Jets, Falcon Maritimes jets are couple of products from Dassault Aviation. They have around 12,757 employees as on 2019.