| # | Company | Employees |
|---|---|---|
| 1 |
ADNOC Groupadnoc.ae
World's leading energy producer, operating across the hydrocarbon value chain, from exploration to refining and petrochemicals, catalyzing Abu Dhabi's growth. |
50,898 |
| 2 |
Dubai Electricity & Water Authority - DEWAdewa.gov.ae
Reliable electricity and water production, transmission, distribution with innovative smart solutions supporting sustainable, efficient, and net-zero future goals. |
12,117 |
| 3 | 7,402 | |
| 4 |
Descondescon.com
A leading multinational conglomerate in engineering, chemical, and power sectors, offering industrial process equipment, power plant operations, and vocational training programs |
7,023 |
| 5 |
Lamprelllamprell.com
A global energy industry leader with expertise in design and construction services for renewables, oil & gas, including platforms, wind farm foundations, and rig projects |
6,072 |
| 6 |
TAQA Distribution
Providing Abu Dhabi with efficient, reliable power and water services focused on sustainability, innovation, customer satisfaction, and environmental care. |
3,053 |
| 7 |
ENEC Operationsenec.ae
Operation and maintenance of the Barakah Nuclear Energy Plant in Abu Dhabi, ensuring safe and efficient nuclear energy production. |
2,776 |
| 8 |
TAQA Grouptaqa.com
Diversified energy and utilities group with power, water generation, transmission, distribution, and upstream oil and gas operations globally. |
2,731 |
| 9 |
Ali & Sons Holding LLCali-sons.com
diversified conglomerate operating in contracting, manufacturing, oil & gas, marine engineering, automotive, retail, property management, and tourism sectors |
2,233 |
| 10 |
Antonantonoil.com
A leading global oilfield technology service provider offering products and services for oil and gas development worldwide, focused on innovation, integration, and client satisfaction |
2,201 |
| 11 |
Group AMANAgroupamana.com
Design and build industrial and commercial facilities across GCC, specializing in modular construction for sectors like healthcare and logistics. |
2,190 |
| 12 |
ZMI Holdingszmiglobal.com
Integrated offshore support provider offering innovative, reliable solutions to optimize production costs and support sustainable energy transition in oil and gas. |
2,177 |
| 13 |
TAQA Transmissiontaqatransmission.com
Ownership and operation of safe, sustainable, economic, and reliable transmission networks connecting generation plants to distribution companies and customers in UAE utilities sector. |
2,080 |
| 14 |
Al Rostamani Groupalrostamanigroup.ae
Established in 1957, this UAE conglomerate prioritizes community impact through commitment, care, and vision, growing steadily over 50 years |
1,955 |
| 15 |
AlMansoori Petroleum Servicesalmansoori.biz
Provides comprehensive oilfield services and support to the petroleum industry with a focus on quality and safety across multiple countries. |
1,943 |
| 16 |
Ignite Energy Accessigniteaccess.com
Providing reliable, affordable renewable energy solutions across Africa to connect millions, supporting essential services and sustainable development. |
1,881 |
| 17 |
BEEAH Groupbeeahgroup.com
Leading sustainability and innovation in environment, energy, technology, healthcare, and real estate across UAE, KSA, and Egypt. |
1,505 |
| 18 |
SEPCOIII Electric Power Construction Co., Ltd.sepco3intl.com
Specializes in engineering and construction of diverse power plants worldwide, offering full EPCO services and advanced renewable energy technologies. |
1,456 |
| 19 |
Al Masaood Energyalmasaoodenergy.me
Provides petroleum services and supplies across UAE, Middle East, North Africa, and Eastern Mediterranean with extensive upstream and downstream expertise. |
1,357 |
| 20 |
Dubai Cable Company - Ducabducab.com
A leading manufacturing company in The Emirates producing wire and cable products, power transmission solutions, and industrial metals for global energy sectors |
1,304 |
| 21 |
EMDAD GROUPemdad.ae
United Arab Emirates based provider offering asset integrity, industrial supplies, and technological solutions for upstream and downstream operations within the energy sector. |
1,295 |
| 22 |
Dragon Oildragonoil.com
An upstream Oil & Gas company engaged in exploration, development, and production operations, with assets across the Middle East, Central Asia, and North Africa. |
1,264 |
| 23 |
Masdar (Abu Dhabi Future Energy Company)masdar.ae
Established in 2006 with a focus on advancing renewable energy through education, research, investment, and commercialization to maintain leadership in the energy market |
1,163 |
| 24 |
Tabreedtabreed.ae
Commissions district cooling plants across GCC, defining cooling excellence standards with commitment to quality, safety, and efficiency for partners. |
874 |
| 25 |
Veolia | Near & Middle Eastnear-middle-east.veolia.com
Global leader providing water, energy, and waste management solutions for industries and communities to develop access to and preserve vital environmental resources. |
848 |
| 26 |
Dutco Groupdutco.com
Diverse operations in civil engineering, telecommunications, mechanical and electrical engineering, dredging, shipping, trading, and luxury hotel management across Dubai and beyond. |
789 |
| 27 |
EtihadWEetihadwe.ae
Provider of water and electricity solutions, focusing on sustainable resource management and efficient utility services for communities. |
753 |
| 28 |
Mubadala Energymubadalaenergy.com
International energy company with diversified assets across Middle East, North Africa, Russia, and Southeast Asia, owned by Abu Dhabi government. |
705 |
| 29 |
FABTECH Groupfabtech-group.com
Specializing in fabrication of various industrial equipment and structures including pressure vessels, reactors, offshore structures, and more, with extensive facilities and capabilities |
692 |
| 30 |
ADNOC Logistics & Servicesadnocls.ae
Global maritime logistics company delivering energy products and solutions through integrated logistics, shipping, and services to over 100 customers worldwide. |
637 |
| 31 |
TECH GROUPtechgroup.ae
Diversified conglomerate with activities in construction, manufacturing, real estate, petroleum, waste management, agritech, and sustainable infrastructure projects across UAE. |
587 |
| 32 |
PETRONASHpetronash.com
Manufactures engineered packaged solutions including chemical injection systems, well head control panels, and process equipment while providing after-sales services for global oil energy industries. |
581 |
| 33 |
Proclad Groupproclad.com
A global leader in providing corrosion resistant alloy solutions through weld clad overlay, lined pipe, fittings, vessels, and specialized services |
559 |
| 34 | 448 | |
| 35 |
ENGIE Middle Eastengiemiddleeast.com
Global leader in low-carbon energy, renewable solutions, and services focused on reducing consumption and promoting environmental sustainability worldwide. |
414 |
| 36 |
OQ Tradingoqt.com
A global commodity trading company specializing in oil, petroleum products, and petrochemicals, with a strong network in major trading regions |
190 |
| 37 |
Arabian Power Company (APC)arabianpower.ae
A power generation and water production company in Abu Dhabi, striving to meet growing demand while creating employment opportunities for UAE Nationals |
171 |
| 38 |
2PointZero2pointzero.com
Investment firm focused on acquiring and growing cash-generating businesses through a growth mindset approach |
85 |
| 39 |
Eldym Drillingeldym.com
A leading drilling contractor with expertise in oil & gas drilling, serving African countries by providing exceptional well drilling services |
2 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 Oct 24, 2026.
More company lists in the United Arab Emirates
- The largest companies in the United Arab Emirates 1,008
- Retail chains in the United Arab Emirates 111
- IT Services and IT Consulting companies in the United Arab Emirates 89
- Critical infrastructure operators in the United Arab Emirates 77
- Distributors and wholesalers in the United Arab Emirates 65
- Financial services firms in the United Arab Emirates 64
- Financial Services companies in the United Arab Emirates 56
- Manufacturers in the United Arab Emirates 50
- Hotel and hospitality groups in the United Arab Emirates 48
- IT services companies in the United Arab Emirates 47
- Real Estate companies in the United Arab Emirates 45
- Food and Beverage Services companies in the United Arab Emirates 44
- Public sector organisations in the United Arab Emirates 44
- Hospitality companies in the United Arab Emirates 40
- SaaS companies in the United Arab Emirates 40
- Retail companies in the United Arab Emirates 39
- Transportation, Logistics, Supply Chain and Storage companies in the United Arab Emirates 37
- E-commerce companies in the United Arab Emirates 35
- Logistics companies in the United Arab Emirates 35
- Construction companies in the United Arab Emirates 34
- Oil and Gas companies in the United Arab Emirates 34
- Software Development companies in the United Arab Emirates 33
- Family-owned companies in the United Arab Emirates 32
- Food and beverage companies in the United Arab Emirates 31