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The 50 largest energy companies in South Holland

Tamtam tracks 54 energy companies headquartered in South Holland. This list ranks the 50 largest by number of employees on LinkedIn, led by Stedin, Vopak and Heerema Marine Contractors. Their median headcount is 363. Half of them were founded in 1995 or later. The most common headquarters are Rotterdam (19), Schiedam (5) and The Hague (4).

๐Ÿ‡ณ๐Ÿ‡ฑ South Holland50 companiesUpdated Nov 14, 2026

These companies in South Holland are primarily involved in the energy sector, ranging from utilities and oil and gas to renewable energy services and industrial machinery manufacturing. The list features a mix of well-established large corporations and mid-sized firms, indicating a mature and diversified energy landscape in the region. Many of these companies have a long history, with several founded in the late 19th or early 20th century, such as Stedin (1886) and Vopak (1616).

Among the companies are Stedin, providing reliable energy through networks, and Vopak, a global provider of storage and infrastructure solutions for energy products. Eneco focuses on accelerating sustainability initiatives, while Heerema Marine Contractors specializes in offshore energy projects. A common pattern observed is the strong concentration of headquarters in Rotterdam, highlighting its significance as a hub for energy and maritime industries.

#CompanyIndustryHeadquarters EmployeesFounded
1
Stedinstedin.net

Providing reliable energy through networks, transitioning to clean energy sources for a sustainable future, and fostering collaboration for a world full of new energy

Utilities ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 5,578 1886
2
Vopakvopak.com

Global provider of storage and infrastructure solutions for energy products, chemicals, and edible oils, supporting global supply chains and driving progress towards a sustainable future

Transportation, Logistics, Supply Chain and Storage ๐Ÿ‡ณ๐Ÿ‡ฑ 3016 CK Rotterdam 4,169 1616
3
Heerema Marine Contractorsheerema.com

A global marine contractor specializing in offshore energy projects, known for expertise and innovation within the industry

Engineering Services ๐Ÿ‡ณ๐Ÿ‡ฑ Leiden 3,796 n/a
4
ANWBanwb.nl

A well-established organization with over 5 million members, offering a range of services from roadside assistance to travel planning, emphasizing social relevance and sustainability

Travel Arrangements ๐Ÿ‡ณ๐Ÿ‡ฑ The Hague 3,698 1883
5
Enecoeneco.nl

The company focuses on accelerating sustainability initiatives to combat global warming and achieve climate neutrality by 2035, taking partners and customers along

Utilities ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 3,462 1995
6
Aramco Overseas Companyaramcooverseas.com

A global energy and chemicals leader with European offices driving innovation, research, and safe energy delivery worldwide for over 60 years

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ The Hague 2,137 1948
7
Hertelaltrad.com

An international industrial services company providing access solutions, insulation, corrosion protection, mechanical, and specialist services to Oil and Gas, Energy, and Offshore industries worldwide

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 1,344 1895
8
Huismanhuismanequipment.com

Designs and manufactures heavy construction equipment for renewable energy, oil and gas, civil, naval, and entertainment industries, setting new industry standards since 1929

Industrial Machinery Manufacturing ๐Ÿ‡ณ๐Ÿ‡ฑ Schiedam 1,280 1929
9
AVRavr.nl

The company specializes in processing various types of waste into energy and resources, striving for a cleaner, more sustainable world through innovation and practical solutions

Environmental Services ๐Ÿ‡ณ๐Ÿ‡ฑ Rozenburg 842 n/a
10
VTTIvtti.com

Global leader in independent energy storage and infrastructure development, driving the transition to sustainable energy sources for a carbon-neutral future

Transportation, Logistics, Supply Chain and Storage ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 836 2006
11
Greenchoicegreenchoice.nl

Greenchoice provides 100% green energy and offset gas, encourages energy conservation and self-generation, and offers sustainable energy from sun, wind, water, and biomass

Utilities ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 753 2001
12
Zeppelin Power NLzeppelinpower.com

The company specializes in developing, supplying, and maintaining Caterpillar Power Systems to ensure continuity, profitability, and efficiency for professional customers

Industrial Machinery Manufacturing ๐Ÿ‡ณ๐Ÿ‡ฑ Papendrecht 589 n/a
13
Batenburg Techniek N.V.batenburg.nl

A technology company specializing in smart industry solutions, providing smart components, installations, and software for industries to become smarter, safer, and more sustainable

Mechanical Or Industrial Engineering ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 588 n/a
14
Joulzjoulz.nl

Innovative partner in the energy transition, offering solutions like solar power, energy storage, efficient infrastructure, and electric vehicle charging

Services for Renewable Energy ๐Ÿ‡ณ๐Ÿ‡ฑ Zoetermeer 544 2004
15
Anthony Vederanthonyveder.com

Specializing in gas transport, this company offers high-quality and flexible services for LPG, LNG, and petrochemical gases, pioneering innovative solutions in the maritime industry

Maritime Transportation ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 488 1937
16
Seaway Heavy Liftingseawayheavylifting.com

A specialized partner in offshore wind farm projects, offering engineering, heavy lifting, cable installation, and integrated solutions using dedicated offshore construction vessels

Renewables & Environment ๐Ÿ‡ณ๐Ÿ‡ฑ Zoetermeer 445 1992
17
Ampelmann Operationsampelmann.nl

The leading offshore access provider delivering safe and efficient solutions to the global energy sector with a diverse portfolio of gangway systems

Services for Renewable Energy ๐Ÿ‡ณ๐Ÿ‡ฑ Delft 443 2007
18
bp Raffinaderij Rotterdambp.com

A major oil refinery in Europe, processing 400,000 barrels of crude oil daily to produce a variety of end products for fuel and petrochemical industries

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam Europoort 441 n/a
19
KOTUG Internationalkotug.com

A leading international towage and maritime company providing vessel services, training, and consultancy with a focus on innovation and sustainability

Maritime Transportation ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 426 n/a
20
Advarioadvario.com

A global terminal storage company, focused on chemicals, gas, and new energy, committed to ESG, sustainability, and fostering transformational partnerships in the energy transition

Transportation, Logistics, Supply Chain and Storage ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 423 n/a
21
Jumbo Maritimejumbomaritime.nl

Global provider of innovative, safe, and efficient heavy lift, transport, and offshore installation solutions for various industries worldwide Customer-oriented with focus on quality and safety

Maritime Transportation ๐Ÿ‡ณ๐Ÿ‡ฑ Schiedam 395 1968
22
Acta Marineactamarine.com

Providing maritime support with DP2 Walk-to-Work vessels, facilitating safe transfer of personnel and equipment for offshore construction projects since 1970.

Maritime Transportation ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 392 1970
23
IQIPยฎiqip.com

Specializing in foundation installation and decommissioning for offshore wind, oil & gas, and civil markets through innovative equipment and services Smart solutions for every project

Civil Engineering ๐Ÿ‡ณ๐Ÿ‡ฑ Sliedrecht 392 n/a
24
Blue Phoenixbluephoenix-group.com

Global resource recovery specializing in transforming incinerator bottom ash, construction waste, and contaminated soils into renewed materials for construction and infrastructure projects.

Environmental Services ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 377 2008
25
NEM Energy Groupnem-energy.com

A global leader in heat transfer technology, providing innovative solutions and aftermarket services to various industries worldwide

Renewable Energy Equipment Manufacturing ๐Ÿ‡ณ๐Ÿ‡ฑ Zoeterwoude 363 1929

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26
Ingka Investmentsingka.com

invests in and manages diverse assets including forestland, renewable energy, and real estate, ensuring financial resilience and contributing to sustainability for IKEA.

Investment Management ๐Ÿ‡ณ๐Ÿ‡ฑ Leiden 351 2018
27
Joulz Energy Solutions B.V.volker-es.nl

Working for a leading player in infrastructure and energy management, specializing in designing, installing, and managing complex medium and high-voltage systems for energy transition challenges

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 339 2009
28
N.V. Juvajuva.nl

A network company specializing in sustainable energy transportation, products, and services, promoting innovation and collaboration to achieve a livable and sustainable society

Community Services ๐Ÿ‡ณ๐Ÿ‡ฑ Poeldijk 326 2017
29
VT Groupvtgroup.nl

A maritime company offering logistic products, safe operations, fleet management, and bunkering services with a focus on sustainability and social responsibility

Maritime Transportation ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 314 1916
30
Wรคrtsilรค Netherlands B.V.wartsila.com

Global leader in innovative technologies and lifecycle solutions for marine and energy markets, emphasizing sustainability, equal opportunities, and employee growth

Maritime Transportation ๐Ÿ‡ณ๐Ÿ‡ฑ Schiedam 312 1834
31
Mokveld Valvesmokveld.com

A valve technology leader providing customized solutions for energy markets and water infrastructures, with a focus on sustainability and innovation

Industrial Machinery Manufacturing ๐Ÿ‡ณ๐Ÿ‡ฑ Gouda 291 1922
32
GustoMSCnov.com

Global energy technology provider offering design & engineering consultancy for offshore units Specializing in optimizing performance for safe & efficient marine operations

Services for Renewable Energy ๐Ÿ‡ณ๐Ÿ‡ฑ Schiedam 286 1862
33
Omexom NLomexom.nl

Helps clients achieve energy transition goals by providing expertise in electricity networks, developing solutions for generation, transformation, and distribution.

Electric Power Transmission, Control, and Distribution ๐Ÿ‡ณ๐Ÿ‡ฑ Dordrecht 282 2001
34
ENGIE E&P

An international independent E&P company with operations in the North Sea, North Africa, and South East Asia, producing 154,000 net barrels of oil equivalent per day

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ The Hague 258 n/a
35
Last Mile Solutionslastmilesolutions.com

Platform providing scalable, hardware-agnostic EV charging and energy transaction management solutions for operators and service providers across Europe.

Software Development ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 200 2007
36
Eneco eMobility Nederlandeneco-emobility.com

Eneco eMobility is a growing charging service provider in the Netherlands, Belgium, and Luxembourg, offering installation, maintenance, and Europe-wide charging solutions

Services for Renewable Energy ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 136 2009
37
Valvoline Global EMEAvalvolineglobal.com

A global leader in automotive and industrial solutions, offering high-quality products and services across various industries since 1866

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ Dordrecht 127 1866
38
Alco Energy Rotterdam B.V.alcoenergy.com

A leading biorefinery based in Rotterdam producing bioethanol, animal feed, and COโ‚‚, aiming to be climate-neutral by 2030

Biotechnology Research ๐Ÿ‡ณ๐Ÿ‡ฑ Europoort Rotterdam 116 2010
39
Gunvor Energy Rotterdamgunvorenergyrotterdam.nl

Gunvor Energy Rotterdam is a refinery and terminal in Rotterdam, prioritizing safety, reliability, quality, and sustainability Part of Gunvor Group, they produce various fuels and are investing in energy transition

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam Europoort 111 1965
40
Enecoeneco.nl

Eneco Group is an energy company focused on sustainability and innovation, offering smart products and services to empower individuals and businesses with green energy solutions

Renewable Energy Semiconductor Manufacturing ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 88 1995
41
Neste Netherlands B.V.nesteoil.nl

A leading refinery and trading company producing high-quality, low-emission transportation fuels, including the world's largest supplier of renewable diesel With sustainable practices recognized globally

Renewables & Environment ๐Ÿ‡ณ๐Ÿ‡ฑ Maasvlakte Rt 57 n/a
42
SolarNRGsolarnrg.nl

SolarNRG is a leading solar panel installer in the Netherlands, serving residential and commercial clients with personalized solutions for over 20 years

Renewable Energy Semiconductor Manufacturing ๐Ÿ‡ณ๐Ÿ‡ฑ Poeldijk 53 2003
43
ENGIE E&P Nederland B.V.engie-ep.nl

Leading operator in Dutch North Sea, discovering, developing, and producing gas and oil fields Largest offshore gas producer, operating over 30 production locations

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ Zoetermeer 51 1964
44
Achilles Brandstoffen Maatschappij B.V.avia.nl

Achilles Brandstoffen Maatschappij provides fuel and a variety of services at their gas stations, including shops, washing machines, and laundry services

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ The Hague 49 n/a
45
EnergyZeroenergyzero.nl

EnergyZero is an innovative software company in the energy industry that helps businesses launch their own energy brands and optimize energy consumption

Software Development ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 48 2014
46
Battolyser Systemsalquion.com

The company specializes in developing and manufacturing the 'Battolyser' system, which stores electricity, produces hydrogen, and supports the energy transition

Renewable Energy Equipment Manufacturing ๐Ÿ‡ณ๐Ÿ‡ฑ Schiedam 41 2026
47
Peinemann Equipmentpeinemannequipment.com

Industry leader in bundle extracting, lifting, and cleaning equipment with over 40 years of experience, offering solutions for challenging operations to maximize efficiency and safety

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ Hoogvliet 22 1980
48
Jedlix (Part of Kraken)jedlix.com

Jedlix develops a platform for optimizing electric vehicle charging, integrating them into the power grid, reducing costs, monetizing flexibility, and optimizing renewable energy use

Services for Renewable Energy ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 19 2016
49
DOSASdosas.nl

An energy technology company using innovative chemicals and molecular science to enhance well integrity, improve production efficiency, and promote sustainability

Oil and Gas ๐Ÿ‡ณ๐Ÿ‡ฑ Rotterdam 14 n/a
50
Smith Solar B.V.smithsolar.nl

A company specializing in green energy products such as solar panels, home batteries, and charging stations for electric vehicles

Solar Electric Power Generation ๐Ÿ‡ณ๐Ÿ‡ฑ Maasdijk 13 2013

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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 14, 2026.

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