| # | Company | Employees |
|---|---|---|
| 1 |
PT Pertamina (Persero)pertamina.com
Engaged in integrated energy sectors, including upstream, midstream, downstream, and renewable energy, with over 50 years of experience. |
80,882 |
| 2 |
PT Astra International Tbkastra.co.id
Established in 1957, this organization has formed strategic alliances with global players It is listed on the Indonesia Stock Exchange and operates in various industries including automotive, financial services, heavy equipment, mining and energy, agribusiness, infrastructure & logistics, information technology, and property |
16,888 |
| 3 |
Pamapersada Nusantarapamapersada.com
A subsidiary specializing in heavy equipment distribution for mining and construction projects, with active management of coal mines and related subsidiaries |
10,417 |
| 4 |
PLN Indonesia Powerplnindonesiapower.co.id
A leading Southeast Asian provider of power generation and energy solutions, specializing in O&M, MRO, renewable energy, and project management |
5,769 |
| 5 |
PT Elnusa Tbkelnusa.co.id
Provides integrated oil and gas services: seismic, drilling, and oilfield services. Offers solutions to national and multinational clients, adhering to global safety and environmental standards. |
5,533 |
| 6 |
PERTAMINA EPpertamina-ep.com
Engaged in managing upstream oil and gas production through exploration, exploitation, and supporting businesses across various assets and projects |
5,292 |
| 7 |
PT Pertamina Patra Niagapertaminapatraniaga.com
A downstream oil and gas company focused on providing flexible, excellent services with competitive pricing, managing fuel handling, trading, fleet, and depot operations |
4,584 |
| 8 |
PT Amman Mineral Nusa Tenggaraamman.co.id
A leading copper and gold producer in Indonesia, operating the Batu Hijau mine, processing ore into copper concentrate, and developing smelter and refinery facilities |
4,087 |
| 9 |
Sinar Massinarmas.com
A diversified business group offering products and services in pulp & paper, agribusiness, finance, real estate, communication, energy, and healthcare sectors |
3,455 |
| 10 |
PT.PLN (Persero)pln.life
A state-owned enterprise in Indonesia's electricity sector offering various job positions from management to customer service Email recruitment for more information |
2,888 |
| 11 |
PT PERTAMINA HULU ROKANphr.pertamina.com
The company aims to manage the Rokan Block to contribute to Indonesia's energy needs and become a main oil and gas producer |
2,825 |
| 12 |
Apicalapicalgroup.com
A global vegetable oil processor supplying food, feed, and renewable fuel industries with vertically integrated refining and processing capabilities |
2,577 |
| 13 |
PT Pertamina Hulu Mahakamphi.pertamina.com
Producing oil and natural gas through exploration and production activities in support of providing crucial energy for Indonesia's development and economy |
2,285 |
| 14 |
PT Kilang Pertamina Internasionalpertamina.com
Specializing in refining and petrochemicals, this business group focuses on processing oil and gas products to create valuable chemical compounds |
2,235 |
| 15 |
PT. Meindo Elang Indahmeindo.com
A leading EPCI company in Indonesia offering integrated solutions for Engineering, Procurement, Construction, and Installation services in the Petrochemical and Oil & Gas industries |
2,188 |
| 16 |
PT Timas Suplindotimas.com
Specializing in EPCIC services since 1989, we are a leading Indonesian contractor, offering onshore and offshore solutions with a team of over 1000 professionals |
2,079 |
| 17 |
Elnusa Petrofinelnusapetrofin.co.id
An energy services provider offering fuel fleet management, fuel storage, fuel trading, retail, chemical trading, lubricants, and asphalt services with international certifications |
1,959 |
| 18 |
PT Vale Indonesia Tbkvale.com
A nickel mining company focused on sustainable practices, human well-being, and operational excellence while caring for the environment |
1,739 |
| 19 |
Pertamina Hulu Rokanphr.pertamina.com
A subsidiary of a major energy company, specializing in oil and gas operations in the Rokan area |
1,694 |
| 20 |
PT Pertamina Hulu Energiphe.pertamina.com
A subsidiary managing upstream oil and gas activities through partnerships and strategic collaborations in Indonesia and internationally, overseeing numerous subsidiaries and affiliates |
1,646 |
| 21 |
SOECHI GROUPsoechi.com
Established in early 1970s, specializing in marine transportation of oil, gas, and chemicals with a fleet of 35 vessels Offering integrated solutions and shipyard services |
1,561 |
| 22 |
PT Adaro Energy Indonesia Tbkadaro.com
A fully integrated coal mining and energy operation in Indonesia, specializing in producing high-quality, low-pollutant coal for global markets |
1,537 |
| 23 |
BYD Indonesiabyd.com
A representative company of famous Chinese manufacturing with BYD brand, operating in Indonesia as an OEM for products, aftersales services, and warranty |
1,453 |
| 24 |
PT Pertamina Drilling Services Indonesiapdsi.pertamina.com
A drilling services company specializing in exploration, exploitation, and workover of oil, gas, and geothermal resources, providing integrated drilling solutions onshore and offshore |
1,450 |
| 25 |
PT. AKR Corporindo, Tbkakr.co.id
A leading bulk logistics and infrastructure company in Indonesia and China, distributing petroleum, basic chemicals, and involved in logistics, manufacturing, and energy services |
1,447 |
| 26 |
PT. JGC Indonesiajgc-indonesia.com
An EPC subsidiary in oil and gas field, fully owned by a reputable global organization, specializing in engineering, procurement, and construction |
1,351 |
| 27 | 1,336 | |
| 28 |
PT Indo Tambangraya Megah, Tbkitmg.co.id
An Indonesian energy company with integrated mining, processing, and logistics operations, focusing on good governance, environmental compliance, safety, and renewable energy |
1,318 |
| 29 |
Star Energy Geothermalstarenergygeothermal.co.id
Leading Indonesia's geothermal energy production towards a cleaner, renewable future through expertise, partnerships, and a commitment to empowering its people |
1,272 |
| 30 |
PT Bayan Resources Tbkbayan.com.sg
Integrated coal producer in Indonesia operating mines, terminals, and transfer stations Specializes in mining and producing various coal qualities |
1,200 |
| 31 |
Sinarmas Miningtechconnect.co.id
Innovative technology conglomerate in Indonesia, leading global businesses in technology, energy, and financial tech, committed to corporate governance and community impact |
1,117 |
| 32 |
KORINDO GROUPkorindo.co.id
An international group with diverse products, manufacturing plants in multiple countries, and a focus on sustainable growth, social development, and environmental friendliness |
1,105 |
| 33 |
Badak LNGbadaklng.com
Leader in LNG production with over 40 years of experience, exporting to Japan, Taiwan, and Korea, boasting the world's largest LNG production capacity |
1,070 |
| 34 |
Pertamina Patra Drilling Contractorpertamina-pdc.com
Specializes in providing offshore drilling services, accommodation work barge services, and catering Also offers onshore drilling support services in Indonesia |
1,068 |
| 35 |
PT Pertamina Hulu Energiphe.pertamina.com
A subsidiary managing a diversified portfolio of oil and gas assets through joint operating bodies, production sharing contracts, and partnerships nationally and internationally |
1,055 |
| 36 |
PT Halmahera Persada Lygend (HPAL)hpalnickel.com
Utilizing high pressure acid leaching technology for processing low-grade nickel ore, resulting in products like Mixed Nickel-Cobalt Hydroxide Precipitate and nickel/cobalt sulfate |
1,052 |
| 37 |
PT HALEYORA POWER (Subsidiary PT PLN Persero)haleyorapower.co.id
A subsidiary of a major power utility, specializing in energy generation and distribution as part of Indonesia's national grid |
976 |
| 38 |
PT Dian Swastatika Sentosa Tbkdss.co.id
This company and its subsidiaries operate in power generation, coal mining, technology, and fertilizer/chemical trading, producing electricity, coal, internet services, and chemicals |
950 |
| 39 |
MODENAmodena.com
A global technology group specializing in innovative products for Home, Professional, Technology, Energy, and Mobility with a focus on interconnected smart solutions for consumers |
934 |
| 40 |
Pertamina EP Cepupepc-pertamina.com
Conducting operations in the oil and gas sector with a focus on Good Corporate Governance, HSSE, professionalism, competitiveness, and partnerships to maximize financial performance |
924 |
| 41 |
Pancaran Grouppancaran-group.co.id
Innovative supply chain solutions provider with diverse services including logistics, energy, and mining, prioritizing sustainability and strong relationships with clients and partners |
841 |
| 42 |
PT Kideco Jaya Agung, Member of Indika Energy Groupkideco.co.id
Indonesian energy provider focused on sustainability, utilizing natural resources for a sustainable future, with a commitment to environmental and social responsibility |
830 |
| 43 |
PT SANY Indonesia Machinerysanyglobal.com
A leading manufacturer of heavy equipment, specializing in excavators, cranes, concrete machinery, and various other construction and industrial equipment with a global presence |
822 |
| 44 |
PT Pertamina Maintenance & Construction (PertaMC)pertamc.com
Specializes in maintenance and construction services, providing energy solutions for various industries through its subsidiary |
800 |
| 45 |
PT Pertamina International Shippingpertamina-pis.com
PT Pertamina International Shipping (PIS) is a subholding integrated marine logistics company, established in 2021, specializes in chartering for PT Pertamina (Persero) |
782 |
| 46 |
PT Pertamina Lubricants
A company specializing in production, processing, transportation, storage, distribution, and marketing of lubricants, grease, speciality products, base oil, and raw materials |
778 |
| 47 |
PT Gunanusa Utama Fabricatorsgunanusautama.co.id
A leading constructor of oil and gas platforms in Indonesia, specializing in offshore structures with certifications for quality, safety, and environmental management systems |
775 |
| 48 |
PT Pertamina Hulu Indonesiaphi.pertamina.com
An oil and natural gas producer supporting Indonesia's energy needs by exploring and producing in Kalimantan as part of Subholding Upstream Pertamina |
760 |
| 49 |
PT Arutmin Indonesiaarutmin.com
A leading coal mining operation in Indonesia, supplying high-quality coal with excellent combustion characteristics and demonstrating strong commitment to environmental protection and community development |
722 |
| 50 |
Star Energystarenergy.co.id
Part of a group focused on oil and gas exploration and production in Indonesia, with a presence in onshore and offshore operations |
722 |
| 51 |
Harita Nickeltbpnickel.com
Resource optimization for shareholder, stakeholder, and national benefit, focusing on sustainable excellence through continuous improvement of people and processes |
705 |
| 52 |
PERTAMINA GASpertagas.pertamina.com
A gas industry player in Indonesia, specializing in gas trading, transportation, processing, distribution, and related natural gas products |
661 |
| 53 |
PT Alamtri Minerals Indonesia Tbkadarominerals.id
Metallurgical coal mining and trading, management consulting services, integrated businesses support, vision to lead mining and mineral industry, customer satisfaction, sustainable environment |
652 |
| 54 |
PT RMK Energy Tbkrmkenergy.com
A leading provider of coal logistic services in South Sumatra, offering exceptional services, sustainable business practices, and continuous improvements to its partners |
648 |
| 55 |
VICO Indonesia
Indonesia's energy pioneer specializing in oil, gas, LNG, and potentially Coal Bed Methane operations, driving economic and social development |
637 |
| 56 |
PT Medco Energi Internasional Tbkmedcoenergi.com
A leading Southeast Asian energy and natural resources player with operations in oil & gas, power, and mining sectors in Indonesia and Southeast Asia |
597 |
| 57 |
Mining Industry Indonesiamind.id
Holding company in the mining industry managing strategic mineral resources, promoting mineral industry downstreaming, empowering Indonesian human resources, and aiming for global excellence |
595 |
| 58 |
PT. Ansaf Inti Resourcesansaf.co.id
A privately held Indonesian company in the coal mining sector, providing a range of services to land owners with mining business permits, committed to excellence, safety, and CSR |
587 |
| 59 |
Pertamina Retailpertaminaretail.com
A subsidiary of PT Pertamina, PT Pertamina Retail specializes in retailing Pertamina products, focusing on fuel and non-fuel products at gas stations |
568 |
| 60 |
PT Donggi-Senoro LNGdslng.com
DSLNG is a joint venture LNG company in Indonesia, processing natural gas into LNG and marketing to international buyers |
560 |
| 61 |
Triputra Grouptriputra-group.com
Indonesian holding group with diverse expertise in agribusiness, manufacturing, energy, trading, and services through multiple subsidiary companies and 60,000 employees |
309 |
| 62 |
PT. Pesona Khatulistiwa Nusantara (ENM Group)energinusa.com
ENM Group is an energy and power company with subsidiaries in coal mining, power plants, estate development, and plantation They aim to be a world-class enterprise |
221 |
| 63 |
PT Total Oil Indonesiapttotal.com
Join us to build a world-class national oil and gas company We are hiring professionals to grow their careers with us |
120 |
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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.
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