These Chinese companies operate in the aerospace and defence sector, with a focus on manufacturing and technology development. The list includes a mix of established corporations and younger firms. For instance, DJI specializes in drone and camera technology, COMAC is a state-owned company in the aviation sector, and CnTech Flight Training Device focuses on advanced simulation technology for flight simulators. Dongfeng Motor Corporation Technical Center develops various vehicles, including military and new energy vehicles.
The companies on this list are predominantly large to mid-sized firms. A common pattern observed is a concentration of headquarters in major cities such as Beijing and Shanghai. For example, AVIC International Holding Corporation, with diverse interests in aviation and electronics, is based in Beijing, while AECC COMMERCIAL AIRCRAFT ENGINE CO., LTD, a commercial aircraft engine manufacturer, is headquartered in Shanghai. Many companies also focus on components and maintenance, such as Ameco Beijing, which offers aircraft maintenance and engineering services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 5,377 | ||||
| 2 |
COMACenglish.comac.cc
A state-owned company in China, jointly invested by various entities, recruiting a Flight Instructor for test flight training and academic guidance |
1,926 | |||
| 3 |
CnTech Flight Training Devicecntech.com
An international high-tech organization specializing in advanced simulation technology for the flight simulator industry with a strong focus on research and development |
1,090 | |||
| 4 |
Dongfeng Motor Corporation Technical Centerdfmc.com.cn
Research and design department overseeing the development of various vehicles, including passenger cars, military vehicles, and new energy vehicles |
898 | |||
| 5 |
Aviation Industry Corporation of Chinaavic.com.cn
A mechanical and industrial engineering company based in Nanjing, China, specializing in the aviation industry |
896 | |||
| 6 |
AIDCaidc.com.tw
The company specializes in military and civilian aviation technology, manufacturing aircraft, developing new aircraft models, and enhancing composite material research and production |
805 | |||
| 7 |
AVIC International Holding Corporationavic-intl.cn
An international holding business group with diverse interests in aviation, electronics, international business, modern services, and global reach |
717 | |||
| 8 |
Ameco Beijingameco.com.cn
Aircraft maintenance and engineering company offering total care services, maintenance, overhauls, painting, training, and calibration services globally |
690 | |||
| 9 |
AECC COMMERCIAL AIRCRAFT ENGINE CO., LTDacae.com.cn
Leading Chinese commercial aircraft engine manufacturer specializing in high bypass ratio turbofan engines for narrow-body, wide-body, and feeder-body aircraft, with a focus on innovation and global operations |
634 | |||
| 10 |
TT Electronics Global Manufacturing Solutionsttelectronics-ims.com
Global provider of engineered electronics for regulated markets in harsh environments, specializing in low volume, high mix manufacturing for aerospace, defense, industrial, and medical industries worldwide |
629 | |||
| 11 |
Yach Industry (Shanghai) Co., Ltdyach.com
A high-tech enterprise specializing in radar and satellite communication systems, offering a wide range of products for various industries worldwide |
568 | |||
| 12 |
China Academy of Space Technologycast.cn
A Beijing-based company specializing in electrical and electronic manufacturing in the field of space technology |
431 | |||
| 13 |
HAECO Xiamentaeco.com
A leading MRO in Asia Pacific offering airframe services, cabin reconfiguration, passenger-to-freighter conversion, private jet solutions, aviation parts manufacturing, and training |
430 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 14 |
China Academy of Engineering Physicscaep.ac.cn
A research and manufacturing center focused on Chinese nuclear weapons, with multiple branches and a wide range of research areas |
356 | |||
| 15 |
Boeing Shanghai Aviationboeingshanghai.com
A joint venture providing aircraft maintenance, modification, repair, and overhaul services for various Boeing models, specializing in the 787 and Next-Generation 737 |
335 | |||
| 16 |
Avic Aircraft Co., Ltd.xac.com.cn
An aviation company headquartered in Xi'an, China, known for its expertise in the airlines/aviation industry |
267 | |||
| 17 |
AVIAGE SYSTEMSaviagesystems.com
A global leader in civil avionics solutions, specializing in integrated systems for aircraft with innovative technology and a dedicated team |
261 | |||
| 18 | 246 | ||||
| 19 |
EURO-COMPOSITES-GROUPeuro-composites.com
Manufacture and deliver high-quality, complex composite structures, parts, panels, laminates, and honeycomb core materials worldwide with tailored solutions. |
225 | |||
| 20 | 108 | ||||
| 21 |
SAIFEIsaifei-aero.com
A Shanghai-based joint venture between Safran group and COMAC specializes in designing and manufacturing Electrical Wiring and Interconnection Systems for commercial aircraft |
57 | |||
| 22 |
LandSpacelandspace.com
Specializing in small to medium launch vehicles, the company designs, manufactures, and operates liquid-fuel rocket engines and low-cost commercial launch vehicles for satellite deployment |
48 | |||
| 23 |
HMChhacmc.com
Manufacturing center specializing in producing and selling composite components for Airbus aircrafts, with advanced machines and sole supplier status for various work packages |
14 | |||
| 24 | 
Bss-TurboTech
Specializing in civil turboprop engine components, BSS TurboTech offers technical research, product development, and production services for leading aerospace companies |
7 | |||
| 25 | 4 | ||||
| 26 |
Collective Wisdom Technologycollective-wisdom-technology.com
A high-tech enterprise based in Zhuhai, China specializing in developing, producing, and selling heavy class Unmanned Control Systems, with a focus on Unmanned Helicopter technology |
4 | |||
| 27 |
SpaceWill Info. Co., Ltd.en.spacewillinfo.com
A leading provider of Earth Observation satellite data and geospatial information services, offering high-resolution imagery, data processing, and solutions globally |
2 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in China
- The largest companies in China 4,090
- Multinational companies in China 1,170
- Manufacturers in China 1,003
- Companies with in-house R&D in China 981
- Publicly traded companies in China 676
- Hardware manufacturers in China 664
- Corporate groups and holding companies in China 473
- Public sector organisations in China 357
- Financial services firms in China 334
- Education providers in China 298
- Companies with a mobile app in China 295
- Retail chains in China 264
- Technology, Information and Internet companies in China 226
- Higher Education companies in China 221
- Electronics and semiconductor companies in China 214
- Financial Services companies in China 212
- Critical infrastructure operators in China 203
- Appliances, Electrical, and Electronics Manufacturing companies in China 200
- Automotive manufacturers and suppliers in China 196
- Energy companies in China 183
- Motor Vehicle Manufacturing companies in China 183
- AI companies in China 176
- IT Services and IT Consulting companies in China 163
- Research institutes in China 163