These Saudi Arabian companies are primarily large enterprises in the energy sector, focusing on oil and gas, utilities, and related industrial services. Key players include aramco, a major energy and chemicals producer; Saudi Energy, which manages electricity generation and distribution; alfanar, specializing in energy-efficient systems and renewable energy; and NEOM, a project focused on sustainable living environments.
The companies listed exhibit a strong concentration in the oil and gas industry, with several firms like TAQA and ADES providing specialized well solutions and drilling services. There is also a notable presence of holding companies such as SRG and Algihaz Holding, which have diversified portfolios extending into construction, manufacturing, and other sectors.
| # | 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 |
alfanaralfanar.com
The company specializes in building energy-efficient systems, developing renewable energy solutions, and manufacturing high-quality electrical products for a sustainable future |
10,198 | |||
| 4 | 8,641 | ||||
| 5 |
SRGsrg.com.sa
Investment holding company with diversified businesses in construction, manufacturing, oil & gas, travel, manpower, pharmaceuticals, and trading sectors. |
8,269 | |||
| 6 |
Alfanar Projectsalfanarprojects.com
Integrated global project developer providing engineering, construction, and technology solutions for energy, water, and infrastructure projects worldwide. |
6,313 | |||
| 7 |
TAQA (Industrialization & Energy Services Company)tq.com
Providing advanced well solutions and technologies for the energy industry with global expansion and focus on sustainable, profitable growth. |
4,753 | |||
| 8 |
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 | |||
| 9 |
ADES - Advanced Energy Systemsadesgroup.com
ADES Group is a leading petroleum services provider in the MENA region, specializing in drilling and production services with a strong focus on HSE culture and operational excellence |
3,906 | |||
| 10 |
Acwaacwapower.com
Delivering essential power and water services across continents, focusing on transitioning to a carbon-free, greener future. |
2,983 | |||
| 11 |
Zamil Offshore Services Companyzamiloffshore.com
Diversified offshore and marine support services for oil and gas industry through fleet operations, construction, hookup, diving, and port towage activities. |
2,762 | |||
| 12 |
Petromin Corporationpetromin.com
A leading multi-national organization offering innovative mobility solutions, serving individuals and businesses through a wide range of products and services |
2,581 | |||
| 13 |
Arabian Drillingarabdrill.com
A leading drilling company with over 50 years of experience operating onshore and offshore rigs in Saudi Arabia and other regions |
2,546 | |||
| 14 |
Algihaz Holdingalgihaz.com
An innovative Saudi investment group with a diverse portfolio in energy, infrastructure, real estate, manufacturing, security, and experiential projects, shaping a sustainable future |
2,461 | |||
| 15 |
Abunayyan Holdingabunayyanholding.com
Provides integrated solutions in water, power, oil, and gas sectors through manufacturing, design, construction, and trading across Middle East and North Africa. |
2,300 | |||
| 16 |
Marafiqmarafiq.com.sa
Provides integrated utility services including power, water, and gas to industrial cities in Saudi Arabia, supporting Saudi Vision 2030. |
2,091 | |||
| 17 | 2,021 | ||||
| 18 |
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 | |||
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. | |||||
| 19 |
MASCOmasco.com.sa
An experienced general contractor specialized in various construction fields, from infrastructure to power projects, with expertise in civil, architectural, environmental, and power engineering |
1,264 | |||
| 20 |
SASREFsasref.com.sa
Refinery complex in Jubail Industrial City specializing in modern, export-oriented petrochemical processing and oil refining operations. |
1,235 | |||
| 21 |
Nesma Infrastructure & Technologynit.com.sa
EPC contracting company providing electrical transmission, communication infrastructure, IT solutions, energy auditing, and turnkey energy-saving services for various sectors. |
1,144 | |||
| 22 |
Alfanar Engineering Servicesalfanarprojects.com
Providing installation, testing, maintenance, repair, manufacturing, calibration, and training services for grid, water, infrastructure, healthcare, and renewable energy sectors. |
1,073 | |||
| 23 |
Aramco Trading Companyaramcotrading.com
Trading petroleum products, crude oil, LPG, LNG, and aromatics through a global network connecting refiners, shipping, finance, and end-users. |
730 | |||
| 24 |
Saudi Tabreed District Cooling Companysauditabreed.com
Provider of sustainable, efficient district cooling services using advanced technology for airports, government buildings, and real estate in Saudi Arabia. |
723 | |||
| 25 |
IGSAigsa.com.mx
A Mexican industrial group, founded in 1970, that started selling power plants and has grown to have a global presence in over 20 countries |
703 | |||
| 26 |
Shandong Tiejun Electric Power Engineering Co., Ltd. Branch
Specializes in manufacturing geothermal power plants and electrical energy solutions worldwide, leveraging abundant resources for sustainable energy production |
689 | |||
| 27 |
Al Jomaih Holdingaljomaih.com
Holding company with diverse subsidiaries and global ventures, supporting Saudi Arabia's economic growth through exclusive brand partnerships and investments. |
588 | |||
| 28 |
Advanced Communications & Electronics Systems Companyaces-co.com
Development and distribution of telecommunications and IT total solutions, including wireless communication, network monitoring, testing, and managed services in Saudi Arabia. |
579 | |||
| 29 |
Saudi Cablesaudicable.com
A leading cable system provider in the Middle East, offering design, manufacturing, and installation services for energy and telecommunications systems globally |
575 | |||
| 30 |
PrimeGate for Communications and ITprimegate.net.sa
Providing end-to-end ICT solutions including network integration, expert support, and service management to meet client-specific technology needs. |
529 | |||
| 31 |
General Electric Manufacturing Company (GEMAC)ge-manufacturing.com
Manufacturing HRSG pressure parts modules and piping using GE technology for combined-cycle power plants in Saudi Arabia and the Middle East. |
497 | |||
| 32 |
NEOM Green Hydrogen Companynghc.com
Global leader building massive green ammonia facility powered by wind and solar energy to supply clean hydrogen for international transportation sectors. |
365 | |||
| 33 |
Principal Buyer | Saudi Power Procurement Companypb.com.sa
Central role in enabling and facilitating the transition to an open, competitive electricity market in Saudi Arabia with governance oversight. |
351 | |||
| 34 |
Jubail O&M Company Limitedjomel-ksa.com
A leading power and desalination plant in Saudi Arabia, providing efficient and environmentally friendly operations and maintenance services for Marafiq IWPP project |
229 | |||
| 35 |
ENERGIAenergiaksa.com
A trusted partner providing lifting, shifting, and energy rental solutions in the Middle East & Africa, offering power, cooling, compressors, lighting, and welding services |
190 | |||
| 36 |
ENGIE - Tihama Power Generation Company Ltd.
Generation of electrical power and processed steam for Saudi Aramco refineries using natural gas-fired cogeneration power plants. |
189 | |||
| 37 |
ALAWADH COMPANY
The company specializes in installing distribution overhead power lines, cathodic protection systems, solar systems, water wells, and conducting electrical and civil works |
19 | |||
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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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