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59 leading critical infrastructure operators in Gelderland

Tamtam tracks 59 critical infrastructure operators headquartered in Gelderland. This list ranks all of them by number of employees on LinkedIn, led by Radboudumc, Alliander and TenneT. Their median headcount is 775. Half of them were founded in 1989 or later. The most common headquarters are Doetinchem (3), Ede (3) and Harderwijk (3).

πŸ‡³πŸ‡± Gelderland59 companiesUpdated Oct 24, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
Radboudumcradboudumc.nl

Leading academic center for medical science, education, and patient care; connecting research, education, and patient care for future healthcare and medical science.

Hospitals and Health Care πŸ‡³πŸ‡± Nijmegen 9,995 1956
2
Allianderalliander.com

A Dutch energy network company responsible for distributing gas and electricity, promoting sustainable energy solutions, and ensuring equal access to reliable energy

Utilities πŸ‡³πŸ‡± Arnhem 9,523 2009
3
TenneTtennet.eu

Leading European grid operator ensuring secure, reliable electricity supply, driving energy transition, managing over 25,000 km of high-voltage grid in Netherlands and Germany

Utilities πŸ‡³πŸ‡± Arnhem 8,058 n/a
4
TenneT Netherlandstennet.eu

A leading European transmission system operator ensuring safe and reliable electricity supply, promoting energy transition for a sustainable future

Utilities πŸ‡³πŸ‡± Arnhem 3,583 n/a
5
Rijnstaterijnstate.nl

A leading hospital providing high-quality healthcare and top clinical services in the Arnhem region, focusing on innovation, research, and employee development

Hospitals and Health Care πŸ‡³πŸ‡± Arnhem 3,466 n/a
6
Plurynpluryn.nl

Pluryn specializes in providing youth care and disability support, helping individuals with complex needs through treatment, guidance, housing, education, and community integration

Hospitals and Health Care πŸ‡³πŸ‡± Nijmegen 3,249 2000
7
Pro Personapropersona.nl

A major employer in healthcare, providing treatment, support, and new perspectives to improve quality of life and contribute to community safety

Mental Health Care πŸ‡³πŸ‡± Wolfheze 2,627 n/a
8
Gelre ziekenhuizengelreziekenhuizen.nl

A large hospital in the Netherlands with a focus on improvement, innovation, education, and research, serving a region with multiple facilities

Hospitals and Health Care πŸ‡³πŸ‡± Apeldoorn 2,602 n/a
9
Lianderliander.nl

A leading net operator in the Netherlands, ensuring equal access to reliable, affordable, and sustainable energy through innovative solutions for the future

Utilities πŸ‡³πŸ‡± Arnhem 2,571 2009
10
Canisius Wilhelmina Ziekenhuiswerkenbijcwz.nl

A top clinical hospital in Nijmegen region providing excellent, personalized care with a focus on employee well-being and collaboration for continuous innovation in healthcare

Hospitals and Health Care πŸ‡³πŸ‡± Nijmegen 2,434 1850
11
CoΓΆperatie VGZwerkenbijvgz.nl

A non-profit health insurance company in the Netherlands, dedicated to providing the best healthcare at the best price for over 42 million insured individuals

Insurance πŸ‡³πŸ‡± Arnhem 2,300 n/a
12
Ziekenhuis Gelderse Valleigeldersevallei.nl

Dedicated to knowledge and focused on health, this hospital offers a wide range of medical specialties with a strong emphasis on nutrition and exercise

Hospitals and Health Care πŸ‡³πŸ‡± Ede 1,911 n/a
13
Ziekenhuis St Jansdalstjansdal.nl

The company is a hospital that prioritizes patient care, offering service like a private clinic with the safety and comfort of a hospital They focus on digital innovations for better patient care

Hospitals and Health Care πŸ‡³πŸ‡± Harderwijk 1,772 1987
14
GGNetwerkenbijggnet.nl

An organization providing mental health services with 2,400 employees offering various forms of therapy and support at 60 locations in Gelderland

Mental Health Care πŸ‡³πŸ‡± Warnsveld 1,754 n/a
15
Sensirewerkenbijsensire.nl

As the largest care organization in eastern Gelderland, Sensire provides round-the-clock care, nursing, and specialized services to promote happiness and independence

Hospitals and Health Care πŸ‡³πŸ‡± Varsseveld 1,710 1950
16
Sizasiza.nl

Siza provides support and care for individuals with disabilities, offering a range of services from home support to residential care, focusing on development and possibilities

Hospitals and Health Care πŸ‡³πŸ‡± Arnhem 1,637 n/a
17
ZZG zorggroepzzgzorggroep.nl

This company contributes to sustainable health, working with clients to empower them to take control of their lives and well-being

Hospitals and Health Care πŸ‡³πŸ‡± Groesbeek 1,479 2005
18
Menziscooperatiemenzis.nl

Menzis is a cooperative health insurance company in the Netherlands, focused on providing quality healthcare to strengthen the well-being of individuals

Insurance πŸ‡³πŸ‡± Wageningen 1,436 2006
19
SantΓ© Partnerssantepartners.nl

SantΓ© Partners provides youth health, care, housing, and services in the Utrecht and Midden-Gelderland region, focusing on well-being and vitality through person-centered support

Hospitals and Health Care πŸ‡³πŸ‡± Tiel 1,250 n/a
20
Slingeland Ziekenhuisslingeland.nl

A team of 1800 dedicated staff and 135 specialists provide high-quality, personalized care in a welcoming, safe environment, working towards future-proof healthcare in the region

Hospitals and Health Care πŸ‡³πŸ‡± Doetinchem 1,249 1987
21
Sint Maartenskliniekmaartenskliniek.nl

Specialized hospital focusing on human movement, leading in treating posture and movement disorders Offers care for orthopedic, rheumatic, and rehabilitation needs in multiple locations in the Netherlands

Hospitals and Health Care πŸ‡³πŸ‡± Nijmegen 1,162 1936
22
InteraktContourwerkenbijinteraktcontour.nl

The company provides care and support for individuals with acquired brain injury, offering housing, treatment, guidance, day programs, and vocational rehabilitation in the Netherlands

Hospitals and Health Care πŸ‡³πŸ‡± Nunspeet 1,130 n/a
23
Centraal Beheercentraalbeheer.nl

A leading insurance company in the Netherlands offering indemnity, life, and financial insurance directly to clients with personal, expert service since 1909

Insurance πŸ‡³πŸ‡± Apeldoorn 1,103 1909
24
Ziekenhuis Rivierenland Tielziekenhuisrivierenland.nl

A regional hospital with 373 beds and 19 specialties, providing high-quality patient care in a safe and welcoming environment, collaborating with other healthcare providers

Hospitals and Health Care πŸ‡³πŸ‡± Tiel 1,091 1982
25
Karakter kinder- en jeugdpsychiatriekarakter.com

An academic center specializing in child and adolescent psychiatry providing diagnosis and treatment for various psychiatric disorders, offering therapies, medication, and research-based care

Mental Health Care πŸ‡³πŸ‡± Ede 991 1967
26
Waterschap Rivierenlandwaterschaprivierenland.nl

A water partner focusing on clean and sufficient surface water, safe dikes, and addressing climate change challenges for a sustainable river area

Government Administration πŸ‡³πŸ‡± Tiel 952 n/a
27
Qirionqirion.nl

Specializing in energy grids, we design, build, and maintain high-voltage networks for clients, while also assisting in developing new networks to support the energy transition

Utilities πŸ‡³πŸ‡± Arnhem 937 n/a
28
Azoraazora.nl

Azora provides personalized healthcare services in nine care centers and through home care, tailored to individual needs and preferences

Hospitals and Health Care πŸ‡³πŸ‡± Terborg 883 2002
29
Driestroomdriestroom.nl

The company focuses on enabling individuals to participate fully in society through personalized support, development-focused guidance, and collaboration with partners and volunteers

Hospitals and Health Care πŸ‡³πŸ‡± Elst 843 n/a
30
Atlantatlant.nl

Atlant is a major employer in nursing and care, focused on providing quality care with skilled, dedicated, and trained staff

Hospitals and Health Care πŸ‡³πŸ‡± Beekbergen 775 n/a
31
Eleoseleos.nl

Specializing in Christian mental health care, offering treatment, home guidance, and support for residential living locations, incorporating faith in evidence-based practices

Mental Health Care πŸ‡³πŸ‡± Hoevelaken 774 n/a
32
Allinqallinq.com

Specializing in telecom infrastructure construction, we provide added value as a reliable and innovative partner for network owners, working together for optimal performance

Telecommunications πŸ‡³πŸ‡± Harderwijk 753 1962
33
Attent Zorg en Behandelingwerkenbijattentzorgenbehandeling.nl

With over 1,500 employees and 500 volunteers, this company provides loving care and support to seniors in their homes and eleven care facilities

Nursing Homes and Residential Care Facilities πŸ‡³πŸ‡± De Steeg 733 n/a
34
Verian, Veelzijdig in Zorgverian.nl

Providing personalized home care services with a focus on empowering clients to live independently Innovative, compassionate, and accessible 24/7

Hospitals and Health Care πŸ‡³πŸ‡± Apeldoorn 718 n/a
35
Vilentevilente.nl

Providing care and treatment to elderly with dementia and physical limitations, aiming for everyone to feel at home with good and personalized care

Hospitals and Health Care πŸ‡³πŸ‡± Doorwerth 712 n/a
36
Elverelver.nl

Elver provides personalized care services for people with intellectual disabilities, prioritizing individual stories for happiness and well-being They employ 1,200 skilled professionals

Hospitals and Health Care πŸ‡³πŸ‡± Nieuw-Wehl 678 n/a
37
Marga KlompΓ© (SZMK)margaklompe.nl

The company provides housing, welfare, services, care, and treatment for adults and the elderly in the Achterhoek region, focusing on enabling independent living and personalized care

Hospitals and Health Care πŸ‡³πŸ‡± Groenlo 677 1999
38
Waterschap Vallei en Veluwevallei-veluwe.nl

The company ensures safe dikes and clean water supply in Gelderland, Utrecht, and Overijssel through dike maintenance, water management, and wastewater treatment

Government Administration πŸ‡³πŸ‡± Apeldoorn 674 2013
39
Streekziekenhuis Koningin Beatrixskbwinterswijk.nl

A regional hospital in East Achterhoek providing customized healthcare close to home, in collaboration with partners, with main location in Winterswijk and satellite clinics

Hospitals and Health Care πŸ‡³πŸ‡± Winterswijk 666 1984
40
Veiligheids- en Gezondheidsregio Gelderland-Middenvggm.nl

Combining fire department, ambulance services, and public health services for 15 municipalities in Gelderland-Midden region, prioritizing safety and health of 680,000 residents

Public Safety πŸ‡³πŸ‡± Arnhem 649 n/a
41
Veiligheidsregio Noord- en Oost-Gelderlandvnog.nl

Working with 22 municipalities, this organization ensures a safe and healthy society through fire services, accident assistance, disaster management, and prevention in a large region

Public Safety πŸ‡³πŸ‡± Apeldoorn 645 2004
42
Nijhuis Saur Industriesnijhuissaurindustries.com

Providing sustainable water use solutions, energy and resource recovery, engineering, consultancy, project execution, and mobile water services worldwide.

Environmental Services πŸ‡³πŸ‡± Doetinchem 641 1904
43
Veiligheidsregio Gelderland-Zuidvrgz.nl

The company works with emergency services, municipalities, and volunteers to prevent, control, and mitigate disasters and crises in Gelderland-Zuid

Non-profit Organizations πŸ‡³πŸ‡± Nijmegen 628 2010
44
Stichting Zorggroep Noordwest-Veluweznwv.nl

Zorggroep Noordwest-Veluwe provides quality care and services for the elderly, offering a range of living, healthcare, and well-being options both in facilities and at home

Hospitals and Health Care πŸ‡³πŸ‡± Harderwijk 627 2005
45
Stichting De Waalboogwaalboog.nl

The organization provides person-centered care for elderly individuals with age-related conditions, focusing on maintaining their quality of life and dignity

Hospitals and Health Care πŸ‡³πŸ‡± Nijmegen 612 n/a
46
Waterschap Rijn en IJsselwrij.nl

Managing water levels, purifying sewage, and ensuring clean water in rivers and streams in Oost-Gelderland, southern Overijssel, and southeastern Veluwe for safe living and recreation

Government Administration πŸ‡³πŸ‡± Doetinchem 560 1997
47
Kenterkenter.nu

Providing products, services, and solutions for energy security and sustainable progress in the business sector Offering expertise in infrastructure, energy storage, and more

Services for Renewable Energy πŸ‡³πŸ‡± Duiven 511 2016
48
LOGISTEED Europe B.V.eu.logisteed.com

A leading logistics service provider in Europe with expertise in storage, transport, customs clearance, and express delivery, serving various industries with quality, reliability, and innovation

Transportation, Logistics, Supply Chain and Storage πŸ‡³πŸ‡± Waardenburg 387 1950
49
REMONDIS Nederlandremondis.nl

A family-owned company specializing in waste collection, recycling, and water management with a focus on sustainability and circular economy practices

Environmental Services πŸ‡³πŸ‡± Lichtenvoorde 358 1934
50
Noot Personenvervoernoot.nl

Specializing in group and wheelchair transportation, this company based in Ede, Netherlands offers bus, car, and tour rentals, as well as tours and school trips

Transportation, Logistics, Supply Chain and Storage πŸ‡³πŸ‡± Ede 306 n/a
51
Avriavri.nl

The company focuses on sustainable waste collection and resource management, public space maintenance, and promoting a circular economy in the Rivierenland region

Waste Collection πŸ‡³πŸ‡± Geldermalsen 188 1989
52
Rabobank Apeldoorn en omgevingrabobank.nl

A financial service provider in Apeldoorn offering a wide range of products including banking, savings, investments, loans, mortgages, and insurance They support local initiatives and are easily accessible online and by phone

Banking πŸ‡³πŸ‡± Apeldoorn 111 n/a
53
Rabobank Noord Veluwerabobank.nl

A locally rooted bank on the Noord-Veluwe supporting sustainability and community initiatives, led by a dedicated management team and board of directors

Banking πŸ‡³πŸ‡± Epe 98 1905
54
Rabobank Maas en Waalrabobank.nl

Cooperative financial service provider emphasizing social responsibility Specializing in banking, financing, and insurance with a focus on customer service and community involvement

Banking πŸ‡³πŸ‡± Druten 63 1915
55
Van den Haak TransMissionvdhaak.nl

Advanced transport company offering 24-hour distribution, warehousing, value-added services like track & trace, assembly, installation, and return logistics.

Truck Transportation πŸ‡³πŸ‡± Geldermalsen 49 1911
56
Rabobank Graafschap-Zuidrabobank.nl

A merger between two Rabobank branches formed Rabobank Graafschap in 2015 Follow their updates on their new combined page

Banking πŸ‡³πŸ‡± 's-Heerenberg 34 2015
57
Baloise Nederlandbaloise.nl

An insurance company providing tailored insurance solutions for individuals and businesses, part of a Swiss-based financial group aiming to create a safer world for all stakeholders

Insurance πŸ‡³πŸ‡± Beesd 25 1993
58
MST Logisticsmstlogistics.nl

Provides flexible, reliable logistics solutions including transport, storage, and handling with advanced automation for efficient supply chain management.

Truck Transportation πŸ‡³πŸ‡± Culemborg 11 1996
59
Weis Post en Pakketserviceweispostenpakketservice.nl

Handling and transporting parcels and pallets with care, ensuring timely, reliable delivery for businesses, institutions, and individuals.

Freight and Package Transportation πŸ‡³πŸ‡± Elst 4 2004

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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 Oct 24, 2026.

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