This list comprises major critical infrastructure operators in Saudi Arabia, predominantly large groups in essential services. Key players include aramco, a global energy and chemicals producer; SAUDI AIRLINES, the national carrier; stc, a telecommunications provider; and King Faisal Specialist Hospital and Research Center, a healthcare and academic institution. The presence of several large banks like alinma and alrajhi bank also highlights the financial sector's role.
A notable pattern is the concentration of headquarters in Riyadh, indicating the capital's central role in the nation's critical infrastructure management. Industries represented span oil and gas, utilities, telecommunications, aviation, healthcare, banking, and insurance, reflecting a diverse range of foundational services.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
aramcoaramco.com
A leading producer of energy and chemicals, providing uninterrupted supply around the globe and working towards a low carbon economy |
170,467 | |||
| 2 |
Saudi Energyse.com.sa
Generation, transmission, and distribution of electricity across Saudi Arabia, serving national energy needs and supporting regional development. |
23,962 | |||
| 3 |
SAUDI AIRLINESsaudia.com
National airline operating domestic and international flights with a modern fleet, serving over 95 destinations across four continents. |
20,091 | |||
| 4 |
stccareers.stc.com.sa
Innovative digital champion focused on enriching lives through collaborative work, fresh ideas, impactful solutions, and a commitment to sustainability Empowering and maximizing potential |
18,097 | |||
| 5 |
Ministry of National Guard Health Affairs (MNGHA)ngha.med.sa
Government-funded multispecialty health system integrating clinical care, training, research, and advanced technology across Saudi Arabia with centralized electronic records. |
14,914 | |||
| 6 |
King Faisal Specialist Hospital and Research Centerkfshrc.edu.sa
Provides a range of academic programs, training, and support services to students, focusing on quality education and community engagement. |
14,338 | |||
| 7 |
alinmaalinma.com
Saudi joint-stock financial institution with SAR 20 billion capital, major shareholders include Public Investment Fund, Pension Public Agency, and Social Insurance. |
13,996 | |||
| 8 |
Dr. Sulaiman Al Habib Medical Groupdrsulaimanalhabib.com
Develops and operates state-of-the-art medical facilities, providing innovative healthcare services across the Middle East, with a vision for global medical excellence and patient experience. |
13,452 | |||
| 9 |
alrajhi bankalrajhibank.com.sa
Established in 1957, this Islamic bank has over $100 billion in assets and a vast network of branches, ATMs, and remittance centers |
13,178 | |||
| 10 |
Tawuniyatawuniya.com
Offers motor, marine, fire, medical, engineering, energy, aviation, takaful, and casualty insurance products for retail and corporate clients. |
9,324 | |||
| 11 |
Mobilymobily.com.sa
It provides integrated telecom services for individuals, businesses, and carriers, with extensive wireless and FTTH networks across Saudi Arabia and beyond. |
8,775 | |||
| 12 | 8,641 | ||||
| 13 |
NWCnwc.com.sa
Provision of water and wastewater services in Saudi Arabia, operating on commercial principles and adhering to international best practices. |
8,333 | |||
| 14 |
Riyad Bankriyadbank.com
Provides Sharia-compliant banking products and services for retail, corporate, and SME customers with extensive branch and digital networks. |
7,609 | |||
| 15 |
بنك البلاد | Bank Albiladbankalbilad.com.sa
The company provides innovative and genuine shariah-compliant banking products, fostering a culture of initiative, partnership, trust, and accountability in the Islamic banking sector |
6,980 | |||
| 16 |
Saudi German Healthsaudigermanhealth.com
Leading provider of hospitals and clinics across Saudi Arabia, UAE, Egypt, and Yemen, delivering German healthcare standards and accredited life support training. |
6,576 | |||
| 17 |
Royal Commission for Jubail and Yanburcjy.gov.sa
Manage and develop four sustainable industrial cities with advanced infrastructure, encouraging innovation and supporting economic diversification in Saudi Arabia. |
5,100 | |||
| 18 | 5,086 | ||||
| 19 |
Arab National Bankanb.com.sa
Universal commercial bank providing corporate and retail banking services with extensive branches, digital platforms, and ATM networks across Saudi Arabia. |
4,937 | |||
| 20 |
Health Co.health.sa
National state-owned company providing comprehensive and integrated healthcare services through health clusters serving Saudi Arabia. |
4,785 | |||
| 21 |
Tabby | تابيtabby.ai
Tabby offers flexible payment solutions for +10 million users and 30,000+ brands, reshaping how people shop, earn, and save Valued at $660 million |
4,456 | |||
| 22 |
Saudi Aramco Total Refining and Petrochemical Company (SATORP)satorp.com
It is an advanced refinery producing petroleum and petrochemical products, with plans for a strategic expansion and integrated petrochemical complex. |
4,271 | |||
| 23 |
Johns Hopkins Aramco Healthcare (JHAH)jhah.com
Joint venture providing innovative, integrated, patient-centered healthcare services, clinical program development, research, training, and quality improvement for Saudi Aramco employees. |
4,247 | |||
| 24 |
Al Rajhi Takafulalrajhitakaful.com
Providing Shariah-compliant insurance solutions including vehicle, health, protection, savings, and general insurance with strong financial rating. |
3,942 | |||
| 25 |
Dallah Hospitaldallah-hospital.com
Providing comprehensive medical services with advanced technology and skilled professionals, focusing on patient satisfaction and clinical excellence. |
3,787 | |||
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. | |||||
| 26 | 3,595 | ||||
| 27 |
Zain KSAsa.zain.com
Leading telecom operator in Saudi Arabia offering 5G, digital payments, cloud computing, IoT, fiber, and advanced technology solutions nationwide. |
3,354 | |||
| 28 |
Saudi Central Bank – SAMAsama.gov.sa
Maintaining monetary stability, supervising financial institutions, issuing currency, managing reserves, and supporting economic growth in Saudi Arabia. |
3,086 | |||
| 29 |
Acwaacwapower.com
Delivering essential power and water services across continents, focusing on transitioning to a carbon-free, greener future. |
2,983 | |||
| 30 |
flynasflynas.com
Provides affordable air travel services connecting various destinations, focusing on customer experience and memorable summer journeys. |
2,907 | |||
| 31 |
International Medical Centerimc.med.sa
Multispecialty hospital with six Centers of Excellence, US and Canadian certified physicians, delivering advanced healthcare aligned with international standards. |
2,749 | |||
| 32 |
The Saudi Investment Banksaib.com.sa
Provides wholesale, retail, commercial banking, investment banking, trade finance, asset management, leasing, mortgages, insurance, and credit card services. |
2,679 | |||
| 33 |
The National Commercial Bank - AlahliNCBalahli.com
Leading financial institution in Saudi Arabia, established in 1953, with majority holding by Government's Public Investment Fund |
2,634 | |||
| 34 |
Salamdxp.salam.sa
Leading Saudi telecom provider offering broadband, cloud, cybersecurity, satellite, and managed services to government, businesses, and consumers. |
2,285 | |||
| 35 |
Riyadh Air | طيران الرياضriyadhair.com
Airline based in Riyadh focusing on modern comfort, digital innovation, sustainability, and expanding service to over 100 destinations by 2030. |
2,209 | |||
| 36 |
National Medical Carecare.med.sa
Provides high-quality, patient-centered medical services through its network of hospitals and medical centers in Saudi Arabia. |
2,178 | |||
| 37 |
Bahri | البحريbahri.sa
A leading shipping and logistics company with a focus on innovation, technology-driven services, and global operations spanning oil, chemicals, bulk, and marine transportation |
2,172 | |||
| 38 |
Marafiqmarafiq.com.sa
Provides integrated utility services including power, water, and gas to industrial cities in Saudi Arabia, supporting Saudi Vision 2030. |
2,091 | |||
| 39 |
Social Development Bank (SDB)sdb.gov.sa
Providing accessible developmental financing and financial awareness to support families, promote self-employment, and enhance small business economic participation. |
2,057 | |||
| 40 | 2,021 | ||||
| 41 |
SAMREF Saudi Aramco Mobil Refinery Company Ltd.samref.com.sa
processing over 400,000 barrels daily of Arabian Light crude oil into gasoline, jet fuel, diesel, marine fuel, propane, and sulfur products |
2,004 | |||
| 42 |
Riyadh Airportsriyadhairports.com
Managing and operating King Khalid International Airport, aiming to be a leading airport operator and industry role model in Saudi Arabia. |
1,951 | |||
| 43 |
PSMMCpsmmc.med.sa
Providing highest standards healthcare services, aiming to be benchmark hospital in kingdom, achieving excellence across all medical specialties. |
1,754 | |||
| 44 |
سابتكو | SAPTCOsaptco.com.sa
Provides extensive local and international bus transport services across Saudi Arabia with VIP, charter, and special event transportation options. |
1,696 | |||
| 45 |
National Unified Procurement Company "NUPCO"nupco.com
Centralized procurement and supply of pharmaceuticals, medical equipment, and devices to improve healthcare facilities and system efficiency nationwide. |
1,653 | |||
| 46 |
Gulf International Bankgib.com
Financial products, investment banking, asset management, and digital retail services across GCC, Europe, and North America for corporate, institutional, and individual clients. |
1,615 | |||
| 47 |
flyadealflyadeal.com
Low-cost airline in Saudi Arabia focusing on innovation, empowering young Saudi talents, and delivering affordable air travel services. |
1,553 | |||
| 48 |
Communications, Space & Technology Commission (CST)cst.gov.sa
Regulates Saudi communications, space, and technology sectors, fostering competitive environments, monitoring tech advancements, and attracting investment in the Kingdom. |
1,459 | |||
| 49 |
Saudi Air Navigation Servicessans.com.sa
Key player ensuring safe and efficient air traffic flow in Saudi Arabia, offering services like Aeronautical Publications, Search and Rescue, and Aeronautical Communication |
1,457 | |||
| 50 |
FLOW Consortium
Operations and maintenance of Riyadh Metro Lines 3, 4, 5, and 6, delivering safe, reliable rail services for Saudi Arabia's capital city. |
1,380 | |||
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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.
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