1. Mobifone Telecommunications Corporation
Mobifone Telecommunications Corporation, often simply referred to as Mobifone, was the first mobile telecom network in Vietnam. Established on April 16, 1993, under the name of Mobile Information Company (VMS), it was later restructured into Mobifone Telecommunications Corporation on December 1, 2014, under the Ministry of Information and Communications. In November 2018, the company transferred its ownership to the State Capital Management Committee. Mobifone aims to become a leading provider of infrastructure and digital services, both in Vietnam and globally. The company offers cutting-edge platforms, technologies, and solutions that help individuals, businesses, and organizations swiftly transition into the digital economy, contributing to Vietnam’s digital transformation. Mobifone strives to create a comprehensive digital ecosystem that meets all needs, unlocking potential and partnering with customers to shape the future of the digital world.
In Vietnam, Mobifone is one of the largest companies in the telecommunications, IT, and digital content sectors, holding over 30% market share. It is a trusted brand with a strong customer base, receiving numerous prestigious national and international awards, such as: Top 500 Largest Enterprises in Vietnam (VNR500), Top 500 Most Profitable Brands in Vietnam (PROFIT 500), Top 10 Most Valuable Brands in Vietnam (Forbes), Top 100 Most Valuable Telecom Brands Globally (2017-2021), and Top 15 in ASEAN (Brand Finance), among others. Additionally, Mobifone has won the Vietnam Digital Award for Digital Transformation Excellence in 2021 and has been recognized for its outstanding customer care service for mobile broadband from 2019 to 2022.
Contact Information:
Address: 01 Pham Van Bach Street, Yen Hoa, Cau Giay, Hanoi, Vietnam
Phone: 024 3783 1800
Fax: 024 3783 1734
Website: https://www.mobifone.vn/
Fanpage: https://www.facebook.com/mobifone


2. CMC Technology Group Joint Stock Company
CMC Technology Group Joint Stock Company, founded in 1996, is one of the leading technology corporations in Vietnam with nearly 30 years of growth and development. CMC has established a strong presence in both the domestic and international markets, with key business operations across four main areas: Technology & Solutions, Telecommunications Services, Global Business, and Research & Education. With the slogan “Aspire to Inspire the Digital World,” CMC is driven by a philosophy that emphasizes aspiration and inspiration, aiming to build trust with customers, motivate technology enthusiasts, and share knowledge equitably with all.
In Vietnam, CMC Technology Group is recognized as a reliable partner for mid-to-large scale IT and telecommunications projects in sectors such as government, education, tax, customs, insurance, electricity, banking, and finance. CMC is committed to becoming a global leader in IT and telecommunications. Over the years, the company has achieved notable milestones, including being named one of the Top 25 Most Promising Telecom Companies in the Asia-Pacific region in 2016 by CIO Outlook magazine, one of the Top 5 Most Influential Internet Companies in Vietnam from 2007 to 2017 by the Vietnam Internet Association, and receiving the Best Telecom Service Provider award in 2017 from International Finance magazine, as well as three awards for the Best Data Center Provider in Asia in 2019 from Telecom Asia magazine.
Contact Information:
Address: CMC Tower, Duy Tan Street, Cau Giay District, Hanoi
Phone: 024 3795 8668
Email: [email protected]
Website: https://www.cmc.com.vn/


3. Hanel Joint Stock Company
Hanel Joint Stock Company was founded on December 17, 1984, with a mission to be a pioneer in the electronics and IT sector in Hanoi. Over the past 40 years, with a team of knowledgeable, dedicated, and committed professionals, Hanel has achieved significant milestones, overcoming many challenges in the ever-changing economy. In the 21st century, Hanel aims to be a leading player in the technology and knowledge economy in Vietnam, growing sustainably through creativity and technological innovation, with a strong focus on bold thinkers and problem-solvers who create solutions and products that help modernize the nation.
Hanel is confident that it will continue to solidify its position as a leading, pioneering company and a source of pride for both Hanoi and Vietnam. The company’s goal is to lead in digital technology, develop sustainably, and use its technological strength as a competitive advantage, working alongside top technology firms in Vietnam to create advanced solutions that support societal development. Over its 40-year journey, Hanel has earned numerous accolades, including: Top 100 Sustainable Enterprises (2016-2017), Top 10 Most Famous Brands in Vietnam (2017-2018), and Top 10 Strongest ASEAN Brands by the Asian Business Development Research Center.
Contact Information:
Address: 2 Chua Boc Street, Dong Da District, Hanoi
Phone: 024 3852 4555
Fax: 024 3852 5770
Email: [email protected]
Website: https://www.hanel.com.vn/


4. Vietnam Technology and Telecommunications Joint Stock Company
Vietnam Technology and Telecommunications Joint Stock Company, abbreviated as VNTT, was founded with investment from three key founding shareholders: Becamex IDC Corporation, Vietnam Posts and Telecommunications Group (VNPT), and the Bank for Investment and Development of Vietnam (BIDV). VNTT specializes in providing high-quality telecommunications and IT services across Ho Chi Minh City, Binh Duong, and surrounding regions. Today, VNTT comprehensively meets the telecommunications and ICT needs of businesses operating in the Becamex and VSIP industrial zones across the country. VNTT has standardized its management processes and service delivery to international standards.
Since its inception, VNTT has continually innovated, enriching its service offerings. The company has expanded and upgraded its telecommunications infrastructure and, with a team of highly skilled engineers, is the top choice for businesses seeking to deploy IT infrastructure/solutions and professional IT management services. Over the years, VNTT has continually refined its business strategies to align with market conditions and demand. Notably, the company expanded its market reach and diversified its customer base, both domestically and internationally. Moving from a single-service business model, VNTT boldly transitioned to offering bundled, integrated services that optimize resources, meet diverse customer needs, and provide added value. This strategic shift has successfully attracted large-scale customers, including major corporations.
Contact Information:
Address: eDatacenter Building, No. 02 Tien Phong 3 Street, Hoa Phu, Thu Dau Mot City, Binh Duong, Vietnam
Phone: 1800 9400 & 027 4222 0222
Email: [email protected]
Website: http://www.vntt.com.vn
Fanpage: https://www.facebook.com/eDatacenterVNTT/


5. Vietnam Maritime Electronics and Communications Corporation
Vietnam Maritime Electronics and Communications Corporation, also known as Vishipel, is a leading provider of maritime telecommunications services in Vietnam. With over 40 years of history, VISHIPEL has been entrusted by the government to manage and operate the Vietnam Coastal Information System (TTDH), which consists of 33 stations along the country's coastline, carrying out public service tasks. As a pioneer in the telecommunications sector in Vietnam, VISHIPEL has earned high regard and trust from its customers for delivering comprehensive communication solutions across land, sea, and air: solutions for the maritime and oil & gas sectors, aviation, national security, and fisheries.
Vishipel aims to make the Vietnam Coastal Information System a key resource by 2030, supporting natural disaster response and ensuring reliable communication for national defense, maritime security, and economic growth. The company continues to expand its maritime communication services, develop human resources, and strengthen its position to become a robust enterprise with enhanced capabilities in delivering public services, serving the national interest. Vishipel remains committed to fulfilling its public service responsibilities, providing coastal information services that meet national and international standards, and acting as a vital communication link for seafarers. The company supports fishermen at sea by handling emergency communications and collaborating on disaster response efforts, safeguarding maritime security, protecting the marine environment, and contributing to national defense and sovereignty protection.
Contact Information:
Address: No. 02, Nguyen Thuong Hien, Minh Khai Ward, Hong Bang District, Hai Phong City
Phone: 0978 000 247 & 022 5374 6464
Email: [email protected]
Website: https://vishipel.com.vn/
Fanpage: https://www.facebook.com/thongtinduyenhai


6. Hanoi Telecom Joint Stock Company
Hanoi Telecom, founded in 2011, is one of Vietnam's largest private telecommunications companies, offering a range of services including fixed-line, mobile, internet, VOIP, and international and domestic long-distance calls. Guided by the core values of Innovation – Cooperation – Dedication, Hanoi Telecom has been a pioneer in the industry, creating breakthrough products and services that deliver high value to its customers. Over more than two decades of growth, the company has become a national leader in microwave transmission, with over 4,000 km of coverage. Additionally, the company’s 12,500 km fiber optic backbone running from North to South has been a key factor in supporting the company’s long-term growth strategy and Vietnam’s digital transformation under Industry 4.0.
Currently, Hanoi Telecom operates as a corporate group with a registered capital of 1.6 trillion VND, comprising 9 subsidiaries and more than 3,000 employees across its North, Central, and South branches. The company focuses on four main areas: Telecommunications, Information Technology, Technical Services & Green Energy, and Logistics & Trade. Telecommunications remains the core business, driving the majority of its revenue and profit. With a customer satisfaction-driven strategy, Hanoi Telecom has rapidly grown to become one of the largest private telecom companies in Vietnam, capturing a significant market share. The company continues to expand and build strategic partnerships with domestic and international firms to further strengthen its position.
Contact Information:
Address:
- 6th Floor, Lotus Building, 2 Duy Tan, Dich Vong Hau, Cau Giay District, Hanoi
- Hoa Lac High-Tech Park, Km 27, Thang Long Avenue, Hanoi
Phone: 024 3572 9833
Email: [email protected]
Website: https://hanoitelecom.com/
Fanpage: https://www.facebook.com/hanoitelecomcorporation


7. Viettel Group
Viettel Group, founded on June 1, 1989, is a leading telecommunications and technology conglomerate in Vietnam. The group operates in several key sectors, including telecommunications and IT services, electronic telecommunications equipment manufacturing, defense industry, cybersecurity, and digital services. Its most prominent product is the Viettel Mobile network. Viettel Telecom, a subsidiary of Viettel, holds the largest market share in Vietnam's telecommunications sector. After more than three decades of effort in expanding telecommunications access and integrating technology into every facet of life in Vietnam, Viettel aspires to become a global leader in both industry and technology. Throughout its journey, the guiding motto “Innovation for People” remains ever-present.
Currently, Viettel has investments in 10 international markets across Asia, America, and Africa. In 2018, Viettel achieved a revenue of 10 billion USD (234,500 billion VND). Viettel is recognized as one of the fastest-growing telecommunications companies globally. By 2019, Viettel had ranked among the top 15 telecommunications companies in the world by subscriber numbers and the top 40 by revenue. Brand Finance valued Viettel's brand at 4.3 billion USD, placing it among the world’s top 500 brands and making it the most valuable brand in Vietnam. Through tireless efforts, Viettel has achieved numerous milestones, such as: establishing the first AWA microwave link in Vietnam (1990), completing the North-South fiber optic cable project (1999), becoming the first nationwide 4G operator (2017), and successfully testing Vietnam's first 5G call (2019).
Contact Information:
Address: Lot D26, New Urban Area Cau Giay, Yen Hoa Ward, Cau Giay District, Hanoi
Phone: 1800 8098
Fax: 024 6255 6789
Email: [email protected]
Website: https://viettel.com.vn/
Fanpage: https://www.facebook.com/viettelgroupofficial


8. FPT Corporation
FPT Corporation, officially known as FPT Joint Stock Company, is one of Vietnam's top 20 largest private enterprises, specializing in three core areas: Technology, Telecommunications, and Education. Founded on September 13, 1988, initially as the Food Technology Company, FPT has expanded its operations to include IT, automation, and telecommunications. Today, FPT has a presence in 27 countries worldwide and operates telecommunications infrastructure in 59 out of 63 provinces in Vietnam. The company boasts 8 subsidiaries and 3 associated companies.
FPT focuses on developing technologies in two main directions: advancing core technologies and platforms, and enhancing customer experiences and operational efficiency through tech-driven solutions. Globally, FPT has earned recognition in various rankings, such as being in the Top 100 Outsourcing Service Providers (IAOP, 2014), Top 300 Best Performing Companies in Asia (2015), and Top 130 Best Workplaces in Asia (2018). Locally, FPT is consistently listed in the VNR500 as one of Vietnam’s Top 20 private businesses (2007-2021). It is also ranked among the top 3 companies in large market capitalization with the most favored IR activities by investors and financial institutions (2022). FPT is the leading company in Vietnam in terms of revenue and workforce in the fields of systems integration, IT services, online advertising, and technology product distribution.
Contact Information:
Address: FPT Building, 10 Pham Van Bach Street, Dich Vong, Cau Giay, Hanoi
Phone: 024 7300 7300
Fax: 024 3768 7410
Email: [email protected]
Website: https://fpt.com.vn/
Fanpage: https://www.facebook.com/fptcorp


9. Vietnam Posts and Telecommunications Group (VNPT)
Vietnam Posts and Telecommunications Group (VNPT), commonly known as VNPT, is a state-owned enterprise in Vietnam specializing in telecommunications and information technology. Established on March 26, 1995, VNPT is the second-largest state-owned economic group in the postal and telecommunications sector. The company was entrusted by the Vietnamese government with the responsibility of managing and operating Vietnam’s first satellites, VINASAT-1 and VINASAT-2. VNPT is credited as the first service provider to lay the foundation for the development of the Vietnamese postal and telecommunications industry, and has played a pivotal role in making Vietnam one of the top 10 fastest-growing countries in postal and telecommunications globally.
With over 27 years of growth, VNPT continues to lead in providing telecommunications, IT services, and multimedia communications. It is also involved in research, development, manufacturing, and distribution of telecommunications and IT products. VNPT has set significant milestones, including ranking 25th in the 2017 VNR500 list of the largest companies in Vietnam. The company has earned numerous awards, including being named 'Best Broadband Provider in Vietnam 2017' and 'Best ICT Services Provider in Vietnam 2017' by International Finance Magazine (IMF), and has received recognition as a 'National Brand,' 'Famous Brand,' and among the 'Top 5 Leading Companies in Vietnam'. It has also won 4 major awards at the Cyber Security Global Excellence Awards.
Contact Information:
Address: VNPT Building, 57 Huynh Thuc Khang Street, Lang Ha Ward, Dong Da District, Hanoi, Vietnam
Phone: 1800 1091 & 1800 1166
Email: [email protected]
Website: https://vnpt.com.vn/
Fanpage: https://www.facebook.com/vinaphonefan

