These large companies in Guangdong conduct in-house research and development. They are primarily active in telecommunications, electronics manufacturing, and software development. Huawei is a global provider of ICT infrastructure, Tencent enriches internet users' lives through social platforms and financial technology, OPPO specializes in smart devices innovation, and PING AN is a technology-powered financial services group. ZTE Corporation is a global leader in telecommunications and IT, while S.F. EXPRESS CO. LTD is a large integrated logistics provider.
The data shows a strong concentration of headquarters in Shenzhen, indicating a hub for large-scale R&D operations in the region. Other significant locations include Dongguan, Foshan, and Guangzhou.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Huaweihuawei.com
A global provider of ICT infrastructure and smart devices, offering integrated solutions in telecom networks, IT, smart devices, and cloud services |
139,935 | |||
| 2 |
Tencenttencent.com
A technology company based in China that enriches the lives of Internet users through communications, social platforms, advertising, financial technology, and business services |
89,197 | |||
| 3 | 55,068 | ||||
| 4 |
PING ANpingan.com
A leading technology-powered financial services group focusing on intelligent ecosystems for financial services and healthcare, with significant global reach and impact |
51,237 | |||
| 5 |
ZTE Corporationzte.com.cn
A global leader in telecommunications and IT, committed to providing innovative technologies and solutions for operators, governments, enterprises, and consumers worldwide |
31,255 | |||
| 6 |
S.F. EXPRESS CO. LTDsf-express.com
Largest integrated logistics provider in Asia offering express delivery, freight, cold chain, pharmaceuticals, international shipping, and digital supply chain solutions. |
28,834 | |||
| 7 |
BYDbydglobal.com
A leading Chinese high-tech enterprise specializing in IT, automobile, and new energy, with a strong focus on rechargeable batteries and electric vehicles |
23,317 | |||
| 8 | 20,358 | ||||
| 9 |
Midea Groupmidea.com.cn
The company humanizes technology through smart home appliances, robotics, automation, and digital innovation, with a focus on providing customized solutions worldwide |
19,537 | |||
| 10 |
Infinitus China Company Ltdinfinitus.com.cn
A member of LKK Health Products Group, focusing on developing, manufacturing, and distributing Chinese herbal health products with a strong commitment to social responsibility |
14,034 | |||
| 11 | 8,695 | ||||
| 12 |
Huawei Consumer Business Groupconsumer.huawei.com
Designs and delivers smartphones, PCs, tablets, wearables, and cloud services with global R&D centers and extensive telecommunications expertise. |
8,583 | |||
| 13 |
Transsiontranssion.com
The company focuses on providing quality smart mobile devices and mobile internet services to emerging markets, with a strong presence in Africa and Asia |
7,317 | |||
| 14 |
HONORhihonor.com
A global provider of smart devices dedicated to creating a new intelligent world through innovative, premium products empowering people to achieve more |
5,630 | |||
| 15 | 5,377 | ||||
| 16 |
Mindraymindray.com
A global provider of medical devices and solutions dedicated to advancing healthcare accessibility through innovation in patient monitoring, diagnostics, and imaging |
4,726 | |||
| 17 |
NetEase Gamesneteasegames.com
A global video game developer and publisher with operations worldwide, creating and distributing mobile, console, and PC games with industry partners |
4,584 | |||
| 18 |
富士康C次集团foxconn.com.cn
A multinational tech group specializing in R&D and manufacturing of computer, communication, and consumer electronics, as well as new energy and materials |
4,104 | |||
| 19 |
Tencent Gamesgame.qq.com
A global leader in game development, publishing, and operations, providing high-quality interactive entertainment experiences to millions of players worldwide |
4,079 | |||
| 20 |
BYD Electronic (International) Company Limitedbydglobal.com
A global hi-tech enterprise specializing in electronics manufacturing services, including design, assembly, and precision metal/plastic products for various industries |
3,096 | |||
| 21 |
TCL CSOTtclcsot.com
Innovates in semiconductor display technology with a focus on next-generation technologies like Mini LED, Micro LED, OLED, and inkjet-printed OLED |
3,001 | |||
| 22 |
中建四局4bur.cscec.com
The company specializes in construction, infrastructure, real estate development, and investment projects in various regions domestically and internationally They are known for their high-rise buildings, large-scale projects, advanced construction technology, and rapid growth in infrastructure |
2,613 | |||
| 23 | 2,380 | ||||
| 24 |
Sangfor Technologiessangfor.com
A global leader in IT infrastructure, security solutions, and cloud computing, providing innovative products for businesses worldwide through dedicated customer service and support |
2,322 | |||
| 25 | 
中兴通讯股份有限公司zte.com.cn
A semiconductor company headquartered in Shenzhen, China, specializing in cutting-edge technology and innovation in the telecommunications industry |
2,262 | |||
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| 26 |
臻鼎科技控股股份有限公司
A leading manufacturer of printed circuit boards, pioneering intelligent factories with advanced technology, global sales network, and commitment to environmental protection and talent development |
2,055 | |||
| 27 |
Dongfeng Nissan Passenger Vehicle Co.dongfeng-nissan.com.cn
Established in 2003 as a joint-venture project, it is a leading player in China's automotive industry, specializing in passenger vehicles |
1,893 | |||
| 28 |
TCL Communicationtcl.com
Designs, manufactures, and markets a wide range of mobile and internet products under two brands, focusing on providing smart devices and services worldwide |
1,814 | |||
| 29 |
SMOOREen.smooreholdings.com
Global leader in atomization technology solutions for reduced-risk products, medical, pharmaceutical, and beauty industries, with a diverse product portfolio and a focus on improving lives |
1,758 | |||
| 30 |
Guangdong University of Technologygdut.edu.cn
A multi-disciplinary university in Southern China, known for producing highly qualified graduates and engaging with the international community |
1,688 | |||
| 31 |
Southern University of Science and Technologysustech.edu.cn
An innovative public university in China promoting higher education reform, cultivating innovative talents, and advancing science and technology globally |
1,644 | |||
| 32 |
Hyterahytera.com
A global provider of innovative communication solutions for government, public security, transportation, and other industries, striving to enhance organizational efficiency and safety worldwide |
1,571 | |||
| 33 |
TCL Technologytcl.com
A pioneering Chinese company focusing on technology innovation and global expansion in the semiconductor display industry and intelligent terminal products |
1,559 | |||
| 34 |
蜜瑟(广州）化妆品有限公司shofiee.com
A professional brand under MEEOSUR, specializing in developing, manufacturing, and selling high-quality personal care products with a focus on green health |
1,536 | |||
| 35 |
CVTE (Guangzhou Shiyuan Electronics Co., Ltd )cvte.com
A global leader in LCD display technology, specializing in interactive flat panels, medical devices, and intelligent hardware solutions for education and corporate communication |
1,451 | |||
| 36 |
ICT 珠 海 科 德 电 子 有 限 公 司 Intelligent Components Technology ZhuHai Ltd.(China)ictzh.com.cn
A Chinese company established with German technology specializing in developing and manufacturing transformers, coils, igniters, and electronic ballasts for various appliances |
1,439 | |||
| 37 |
Amway Chinaamway.com.cn
Manufacture and distribute nutritional supplements, beauty cosmetics, personal and home care products across China with extensive R&D and production facilities. |
1,415 | |||
| 38 | 1,374 | ||||
| 39 |
MGIen.mgi-tech.com
Development and sales of DNA sequencing instruments, reagents, and multi-omics platforms supporting research, agriculture, precision medicine, and healthcare. |
1,373 | |||
| 40 |
Huawei Digital Powerdigitalpower.huawei.com
Integration of digital and power electronics technologies to develop clean power, smart charging, and green data center infrastructure globally. |
1,364 | |||
| 41 |
Kingfa Sci.&Tech. Co., Ltd.kingfa.com
A global leader in chemical new-materials, specializing in a wide range of products with intellectual property rights, serving over 1000 enterprises worldwide |
1,307 | |||
| 42 |
Galanzgalanz.com
A world-class white goods brand enterprise in China, specializing in manufacturing household appliances like microwaves, refrigerators, and air conditioners worldwide |
1,264 | |||
| 43 |
广东都市丽人实业有限公司dslrpark.com
A modern large-scale lingerie brand operation group aiming to be a world-leading fashion lingerie brand, with a wide retail network nationwide |
1,241 | |||
| 44 |
YUTOszyuto.com
A global leader in innovative packaging solutions and intelligent manufacturing services for various industries, also offering diverse technology solutions beyond packaging |
1,226 | |||
| 45 |
Guang Dong Kinlong Hardware Products Co., Ltdkinlong.com
Specializing in aluminum materials and products, we provide high-quality solutions for various industries and applications |
1,211 | |||
| 46 |
Shenzhen Kaifa Technology Co.,Ltden.kaifa.cn
An established provider of turnkey manufacturing services, offering R&D, production, and distribution solutions for ODM and OEM customers since 1985 Listed on Shenzhen Stock Exchange |
1,192 | |||
| 47 |
Chimelong Groupchimelong.com
A conglomerate offering theme parks, luxury hotels, convention centers, high-end restaurants, and leisure entertainment businesses in China's tourism industry |
1,189 | |||
| 48 |
JNUjnu.edu.cn
A leading research and comprehensive university in Guangzhou, China, established during the Qing Empire and currently administrated by government offices |
1,043 | |||
| 49 | 1,042 | ||||
| 50 |
EVE Energy Co.,Ltd.evebattery.com
Global lithium battery company with core technologies for consumer, power, and energy storage batteries Listed on Shenzhen GEM stock exchange in 2009 |
1,042 | |||
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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 Guangdong
- The largest companies in Guangdong 802
- Manufacturers in Guangdong 264
- Multinational companies in Guangdong 236
- Hardware manufacturers in Guangdong 210
- Publicly traded companies in Guangdong 146
- Appliances, Electrical, and Electronics Manufacturing companies in Guangdong 88
- Corporate groups and holding companies in Guangdong 88
- Electronics and semiconductor companies in Guangdong 86
- Companies with a mobile app in Guangdong 58
- Financial services firms in Guangdong 56
- Retail chains in Guangdong 56
- Semiconductor Manufacturing companies in Guangdong 49
- Contract manufacturers in Guangdong 37
- AI companies in Guangdong 36
- Public sector organisations in Guangdong 36
- Critical infrastructure operators in Guangdong 33
- Energy companies in Guangdong 33
- Computers and Electronics Manufacturing companies in Guangdong 33
- Automotive manufacturers and suppliers in Guangdong 32
- Financial Services companies in Guangdong 32
- E-commerce companies in Guangdong 30
- Education providers in Guangdong 29
- Technology, Information and Internet companies in Guangdong 28
- Telecommunications companies in Guangdong 25
The same list elsewhere in China
- Companies with in-house R&D in China 981
- Companies with in-house R&D in Jiangsu 95
- Companies with in-house R&D in Zhejiang 86
- Companies with in-house R&D in Shandong 51
- Companies with in-house R&D in Fujian 29
- Companies with in-house R&D in Shanghai 119
- Companies with in-house R&D in Beijing 118
- Companies with in-house R&D in Shenzhen 113
- Companies with in-house R&D in Hangzhou 45
- Companies with in-house R&D in Guangzhou 44