World Top 100 Aerospace and Defense Companies List by Market Cap as of August 2026

NORTHROP GRUMMAN CORPORATION is Aerospace and Defense based Technology company with headquarters is in Virginia, USA. Northrop Grumman is a global security company providing innovative systems, products and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide.

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:

Rheinmetall AG manufactures automobile parts, military vehicles, aerospace and defense equipment. The headquarters is in Germany.

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.

Rocket Lab is an Aerospace Manufacturer and Small Satellite Launch Service Provider company. The company estimated annual revenue is currently 122 million USD per year. The headquarters is in USA.