The telecommunications companies in Guangdong are primarily large and mid-sized firms, many of them established in the late 20th or early 21st century. They focus on a wide range of activities within the sector, including ICT infrastructure, smart devices, and communication solutions. Huawei is a global provider of ICT infrastructure and smart devices, while OPPO specializes in smart devices innovation. ZTE Corporation is a leader in telecommunications and IT, and vivo focuses on smart devices, AI, and 5G. Transsion provides mobile devices and internet services to emerging markets, and Hytera offers communication solutions for government and public safety.
A clear pattern among these companies is their strong concentration in Shenzhen, which serves as a major hub for telecommunications innovation and manufacturing within Guangdong. This clustering indicates a robust local ecosystem supporting the industry's growth and development.
| # | 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 | 55,068 | ||||
| 3 |
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 | |||
| 4 | 20,358 | ||||
| 5 |
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 | |||
| 6 |
infinix mobileinfinixmobility.com
Leading player in smartphones and tablets market with avant-garde designs, innovative features, and high-quality products geared towards young, tech-savvy consumers |
1,966 | |||
| 7 |
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 | |||
| 8 |
Alcatel mobilealcatelmobile.com
Crafting mobile innovations to create and enhance everyday joyful moments through discovery, experimentation, and engagement, fostering connections with others and the world. |
794 | |||
| 9 |
Tcl Communication Technology Holdings Ltdtclcom.com
A telecommunications company in SHENZHEN providing opportunities for representatives to build relationships, attract followers, and connect with potential customers, brand fans, and employees |
599 | |||
| 10 |
Sunway Communicationen.sz-sunway.com
A global leader in RF connectivity components and modules, specializing in antennas, wireless charging, soft magnetic materials, RF components, and more for various industries |
351 | |||
| 11 |
Shenzhen Tatfook Technology Co., Ltdtatfook.com
A national high-tech enterprise specializing in R&D, production, and sales of mobile communications, intelligent terminals, and automobile products with global partnerships |
319 | |||
| 12 |
Fibocomfibocom.com
Provider of wireless communication modules and AI solutions offering integrated hardware, software, and cloud services for intelligent connectivity. |
214 | |||
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. | |||||
| 13 |
BUKA Cloud Communicationonbuka.com
A technology company specializing in telecom services, providing SMS routes and communication solutions for enterprise users globally |
196 | |||
| 14 |
Runjian Stockrunjian.com
Integrated ICT service provider specializing in telecommunications, power, and enterprise solutions, with a focus on innovation and expanding into international markets |
178 | |||
| 15 | 
Chaozhou Three-circle Group Co., Ltd.cctc.cc
Specializing in hi-tech ceramic products for various industries, offering a diverse range including resistors, MLCC, substrates, LED products, and more |
169 | |||
| 16 |
SDMC Technology - AI Home Innovatoren.sdmctech.com
Global leader in Digital TV solutions for operators worldwide, offering Android TV, Docsis 31 devices, OTT platforms, and SaaS cloud services for immersive video experiences |
166 | |||
| 17 |
Nova Technologynova.net.cn
A company based in China that provides SD-WAN and MPLS VPN services, and partners with VeloCloud for networking solutions |
157 | |||
| 18 |
Fanvilfanvil.com
Global provider of AV-IoT devices, offering SIP products for communication solutions across industries, focusing on innovation and digital transformation |
148 | |||
| 19 |
DOOGEEdoogee.com
A manufacturer of rugged smartphones committed to quality, innovation, and affordability, with a focus on durability, sustainability, and user experience |
91 | |||
| 20 |
Gosafe Company Limitedgosafesystem.com
Leader in GPS Fleet Management products and services since 1999, specializing in developing hardware and software solutions for commercial and consumer use |
61 | |||
| 21 |
Wi-Tekwireless-tek.com
Wireless-Tek is a commercial networking equipment vendor, offering fast, safe, and easy-maintenance network solutions to SMEs in various industries |
47 | |||
| 22 |
Flyin Group Co.,Ltdopticres.com
A leading manufacturer of fiber optic components, specializing in both passive and active parts for the communication industry with a focus on quality and market share |
34 | |||
| 23 |
Kirisun Communication Co., Ltden.kirisun.com
A company established in 1986 with independent operations in sales, R&D, and manufacturing, offering professional radio communications equipment globally with a focus on innovation and quality |
30 | |||
| 24 |
Feasycomfeasycom.com
A company specializing in IoT products like Bluetooth, WiFi, and LoRa modules, offering engineering services and customization for various industries worldwide |
13 | |||
| 25 |
Raynoolraynool.com
A reliable manufacturer of wireless communication and signal transmission solutions, offering high-quality products and custom design services to global customers |
8 | |||
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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 11, 2026.
More company lists in Guangdong
- The largest companies in Guangdong 802
- Manufacturers in Guangdong 264
- Multinational companies in Guangdong 236
- Companies with in-house R&D in Guangdong 211
- 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