These Belgian companies with in-house R&D are primarily large, established firms, many of which have a significant global presence. They span a range of industries, with a notable concentration in manufacturing and chemical production. For example, AB InBev is a global brewing company, Bekaert specializes in steel wire transformation, Solvay develops essential chemical solutions, and UCB is an innovative biopharmaceutical company.
Several companies are headquartered in Brussels, indicating a central hub for corporate R&D activities. The list also includes two major universities, Université libre de Bruxelles and Université catholique de Louvain, highlighting the role of academic research in Belgium's R&D landscape. The presence of companies like John Cockerill, founded in 1817, and Umicore, founded in 1805, points to a strong tradition of long-standing industrial innovation.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
AB InBevab-inbev.com
Global brewing company with over 500 beer brands, creating memorable moments, advancing the industry, and making a positive impact worldwide |
139,770 | |||
| 2 |
Bekaertbekaert.com
Global leader in steel wire transformation and coating technologies, providing innovative solutions for new mobility, low-carbon construction, and green energy markets |
28,000 | |||
| 3 |
Solvaysolvay.com
Develops essential chemical solutions including soda ash and peroxides for cleaner mobility, healthier living, and sustainable infrastructure across global industrial sectors. |
16,499 | |||
| 4 | 14,875 | ||||
| 5 |
Proximus Groupproximus.com
Provider of connectivity and digital services in Benelux and global markets, investing in networks, digital ecosystems, and innovative communication solutions. |
13,297 | |||
| 6 |
Etexetexgroup.com
Global building material manufacturer inspiring safe, sustainable, and beautiful living spaces Emphasizing teamwork, excellence, and innovation in lightweight construction |
13,000 | |||
| 7 |
Katoen Natiekatoennatie.com
Providing tailored logistics and engineering solutions globally, from warehousing to on-site platforms, with decentralized business units for fast decision-making |
9,200 | |||
| 8 | 8,849 | ||||
| 9 |
Aliaxisaliaxis.com
Global leader in advanced piping systems for various applications, offering sustainable solutions for water and energy needs globally through innovation and operational excellence |
7,776 | |||
| 10 |
Akka Technologiesakkodis.com
European leader in engineering consulting and R&D services, supporting clients with digital solutions and expertise across various sectors throughout product life cycles. |
7,700 | |||
| 11 |
Université libre de Bruxellesulb.be
Large multicultural university offering diverse academic programs, conducting advanced research, employing thousands, and fostering international collaborations and scientific events. |
7,528 | |||
| 12 |
Université catholique de Louvainuclouvain.be
Provides higher education programs, conducts high-level research, and offers services to society across multiple campuses in Belgium, employing thousands of staff. |
7,288 | |||
| 13 |
John Cockerilljohncockerill.com
Designs, integrates, modernizes, maintains equipment for energy, defense, steelmaking, environment, and industry, focusing on performance, innovation, and global reach. |
6,989 | |||
| 14 |
Umicoreumicore.com
Innovating materials technology for sustainable value, reducing emissions, advancing car technology, and driving towards a circular economy for a better life |
6,685 | |||
| 15 |
Bridgestone EMEAbridgestone-emea.com
Regional unit of a global leader, focusing on premium tyres and sustainable mobility solutions, operating across 35 countries with extensive retail and manufacturing. |
6,428 | |||
| 16 |
Daikin Europedaikin.eu
Provider of energy-efficient heating, cooling, ventilation, air purification, and refrigeration technologies for residential, commercial, and industrial markets in EMEA. |
6,375 | |||
| 17 |
Syensqosyensqo.com
A leading science company revolutionizing technology to create sustainable, high-performance solutions for various industries worldwide with a global team of experts |
6,082 | |||
| 18 |
DEME Groupdeme-group.com
A leading contractor in offshore energy, environmental remediation, dredging, and marine infrastructure, with a focus on sustainability and innovative solutions |
5,770 | |||
| 19 |
Vrije Universiteit Brusselvub.be
High-quality research, customised education, and strong social commitment focused on addressing future challenges with critical thinking and humanism. |
5,504 | |||
| 20 |
University of Antwerpuantwerpen.be
Offers bachelor and master programs, conducts competitive research, supports doctoral studies, and fosters student-centered, competency-based education. |
5,488 | |||
| 21 |
Samsoniteshop.samsonite.com
A global luggage brand established in 1910, known for innovation and industry firsts, offering a wide range of travel products for all needs |
5,119 | |||
| 22 |
Puratospuratos.com
A global provider of innovative food ingredients and services for the bakery, patisserie, and chocolate sectors, serving customers in over 100 countries worldwide |
4,927 | |||
| 23 |
UZ Leuvenuzleuven.be
The company is a leading healthcare institution in Belgium and Europe, specializing in patient care, medical education, and groundbreaking scientific research |
4,900 | |||
| 24 |
University of Liègeuliege.be
A public university in the Belgian French-speaking community focused on excellence in teaching, research, and innovation within a pluralistic vision |
4,883 | |||
| 25 |
imecimec-int.com
Innovates nano- and digital technology with global partners to create advanced solutions in healthcare, clean energy, and Industry 40 Shapes future |
4,867 | |||
| 26 | 4,670 | ||||
| 27 |
NIPRO Corporation - Globalnipro-group.com
Develop high-quality medical devices, medicines, and pharmaceutical packaging to improve patient outcomes and support healthcare professionals worldwide. |
4,525 | |||
| 28 | 4,112 | ||||
| 29 |
SD Worxsdworx.com
We provide integrated HR solutions to empower organizations with smart technology, driving success and growth for businesses and their employees |
4,059 | |||
| 30 | 3,767 | ||||
| 31 |
Lhoistlhoist.com
Global leader in lime, dolime, and minerals, operating in over 25 countries, with a focus on customer proximity and high-quality solutions Join our team! |
3,515 | |||
| 32 |
Unilinunilin.com
Global leader in interior design and building materials, offering laminate flooring, vinyl tiles, carpet, panels, insulation, and industrial floors for homes and workspaces worldwide |
3,487 | |||
| 33 | 3,366 | ||||
| 34 |
Toyota Motor Europetoyota-europe.com
A leading Japanese car manufacturer in Europe, with 30 National Marketing and Sales Companies, 3,000 sales outlets, and nine manufacturing plants |
3,196 | |||
| 35 |
AGC Glass Europeagc-glass.eu
Producer and distributor of flat glass for building and automotive industries, as well as various other sectors including transport, solar power, and high-tech applications |
3,153 | |||
| 36 |
Sibelco Groupsibelco.com
A global material solutions company, sourcing and distributing industrial minerals while leading in glass recycling Focused on sustainability, innovation, and customer value |
3,117 | |||
| 37 |
IBAiba-group.com
A global leader in particle accelerator technology, providing advanced proton therapy equipment and services, as well as solutions in industrial sterilization and radiopharmaceuticals |
3,090 | |||
| 38 |
Azelisazelis.com
Global innovation service provider in specialty chemicals and food ingredients, offering diverse products/services, technical guidance, and sustainable solutions worldwide |
2,956 | |||
| 39 |
Thomas More University of Applied Sciencesthomasmore.be
Largest university of applied sciences in Flanders offering a range of bachelor's degree and postgraduate programs in English and Dutch |
2,855 | |||
| 40 |
Elia Groupelia.be
Operation of extensive high-voltage electricity transmission networks in Belgium and Germany, ensuring balanced supply and supporting energy transition. |
2,759 | |||
| 41 |
UZ Brusseluzbrussel.be
Quality healthcare in a Dutch-speaking university hospital, providing care for all regardless of language or beliefs, while respecting individual autonomy |
2,704 | |||
| 42 |
Medtronic Spine & Biologicsmedtronic.com
A global leader in medical technology, specializing in innovative therapies for spinal, neurological, orthopedic, and oral maxillofacial conditions |
2,657 | |||
| 43 |
EUROCONTROLeurocontrol.int
The company supports European aviation by delivering technical excellence and expertise in air traffic management, addressing industry challenges and promoting future evolution |
2,639 | |||
| 44 |
AGFA HealthCareagfahealthcare.com
Development and provision of advanced enterprise imaging solutions designed to enhance workflow efficiency and maintain user focus in healthcare environments. |
2,621 | |||
| 45 |
NATO Communications and Information Agency (NCIA)nato.int
NATO's technology and cyber experts with a team of 3,000 members across Europe and North America, safeguarding networks and providing critical capabilities to preserve peace and security |
2,545 | |||
| 46 | 2,461 | ||||
| 47 |
Hasselt Universityuhasselt.be
Dynamic university offering interactive education, fostering critical thinking, conducting innovative research, and supporting regional and international collaboration for sustainable development. |
2,297 | |||
| 48 |
Sonacasonaca.com
An aerospace entity specializing in aerostructures, services, innovation, space, and defense, offering tailored solutions, competitive pricing, and global support |
2,241 | |||
| 49 | 2,235 | ||||
| 50 | 2,227 | ||||
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. | |||||
| 51 |
VIVES University of Applied Sciencesvives.be
Company offers associate and bachelor degrees with high job placement rates, preparing graduates for future professional challenges in dynamic environment |
2,220 | |||
| 52 | 2,166 | ||||
| 53 |
Karel de Grote-Hogeschoolkdg.be
Provides professional bachelor and master degrees in business, healthcare, industrial sciences, teaching, and social work with value-driven education. |
2,110 | |||
| 54 |
Carmeusecarmeuse.com
Global manufacturer of lime, limestone, and mineral-based products for industrial and construction applications, as well as offering environmental benefits and equipment services |
2,047 | |||
| 55 | 1,929 | ||||
| 56 |
Materialisematerialise.com
Innovative solutions for flexible industrial manufacturing and personalized healthcare through 30 years of experience in additive technologies Leading the way for a sustainable world |
1,915 | |||
| 57 |
Cliniques universitaires Saint-Lucsaintluc.be
Leading academic hospital in Brussels, offering specialized care, research, and education to patients from Belgium and beyond, with a focus on patient-centered values and collaboration |
1,889 | |||
| 58 |
Tessenderlo Grouptessenderlo.com
Global industrial group specializing in agriculture, bio-residual valorization, machinery, mechanical engineering, electronics, energy, and water-focused industrial solutions. |
1,800 | |||
| 59 | 1,772 | ||||
| 60 |
UMONSweb.umons.ac.be
Comprehensive academic institution providing diverse undergraduate and graduate degrees in psychology, engineering, economics, architecture, and medicine including specialized adult training and international research. |
1,714 | |||
| 61 |
Yazaki Europe Middle East and Africayazaki-europe.com
A global company specializing in wiring harnesses for automobiles and environmental systems, prioritizing quality, sustainability, and customer satisfaction |
1,701 | |||
| 62 | 1,669 | ||||
| 63 |
MELEXISmelexis.com
Designs and delivers innovative micro-electronic semiconductor solutions enabling applications in automotive, alternative mobility, smart appliances, robotics, and digital health. |
1,643 | |||
| 64 |
Hôpital Erasme - Cliniques Universitaires de Bruxelleserasme.ulb.ac.be
Academic hospital affiliated with a university, providing patient care, education, and research in various specialized fields with over 3,000 staff members |
1,633 | |||
| 65 |
Orizio Grouporizio-group.com
International aerospace ecosystem focusing on design, manufacturing, maintenance, and engineering services for aviation, space, and UAV markets through specialized high-tech subsidiary companies. |
1,609 | |||
| 66 |
Dumarey Groupdumarey.com
Specializes in innovative propulsion solutions and state-of-the-art engines for automotive and marine sectors, also collaborating on projects with technical universities |
1,511 | |||
| 67 | 1,493 | ||||
| 68 | 1,388 | ||||
| 69 |
CHU de Charleroi - ISPPChumani.be
A healthcare group comprising multiple hospitals, day clinics, dialysis centers, and nursing homes, employing 6000 staff and 600 doctors, with research and educational facilities |
1,378 | |||
| 70 |
La Lorraine Bakery Groupllbg.com
A European bakery group with 17 production sites, creating high-quality bakery products for retail, wholesale, and foodservice industries in 35 countries |
1,354 | |||
| 71 |
ADB SAFEGATEadbsafegate.com
Integrated solutions for airports & airlines to improve efficiency, safety, sustainability, and reduce costs Specializing in airfield lighting, software solutions, automation, and services |
1,288 | |||
| 72 |
Reynaers Aluminiumreynaers.com
Development and marketing of energy-efficient aluminium windows, doors, and façades focused on sustainability and international distribution. |
1,246 | |||
| 73 |
Soudalsoudalgroup.com
A leading European manufacturer of sealants, adhesives, and polyurethane foams for professional and private users, focusing on sustainable and innovative construction products globally |
1,145 | |||
| 74 |
Reynaers Groupreynaersgroup.com
A European specialist in sustainable solutions using aluminum and steel for windows, doors, curtain walls, sliding systems, sun screening, and conservatories |
1,143 | |||
| 75 |
ArcelorMittal Belgiumbelgium.arcelormittal.com
A leading steel and mining company in Belgium, specializing in high-value steel products for automotive and industrial customers, promoting sustainability and innovation |
1,123 | |||
| 76 |
Smulderssmulders.com
A multidisciplinary construction entity specializing in civil, industrial, and offshore wind energy projects across various international branches |
1,084 | |||
| 77 |
Prayonprayon.com
A global leader in phosphorus chemistry, manufacturing phosphate and fluorine solutions for various industries like food, water treatment, electronics, and pharmaceuticals |
1,064 | |||
| 78 |
Christeynschristeyns.com
A global player in chemicals and detergents, with a wide range of products serving various sectors worldwide through a focus on service and partnership |
1,055 | |||
| 79 | 1,052 | ||||
| 80 | 1,025 | ||||
| 81 |
Schréderschreder.com
Leading provider of smart outdoor lighting solutions worldwide, specializing in innovative, sustainable infrastructure for Smart Cities through energy-efficient LED technology and control systems |
1,002 | |||
| 82 |
J&J Innovative Medicine Europe, Middle East & Africa (EMEA)jnj.com
A global pharmaceutical organization dedicated to developing treatments for diseases and collaborating with partners worldwide to improve patient outcomes |
988 | |||
| 83 |
FN Herstalfnherstal.com
Design and manufacture of advanced small arms, less lethal solutions, integrated weapon systems, and comprehensive support for global defense and law enforcement. |
984 | |||
| 84 |
GAMING1gaming1.com
The company is a leading Belgian provider of land-based and online games of chance, aiming to become a world leader in regulated online gaming |
982 | |||
| 85 |
Magotteauxmagotteaux.com
Global supplier providing process optimization products, grinding media, and castings for mining, cement, and power industries through expert advice and sustainable manufacturing. |
966 | |||
| 86 |
DOMO Chemicalsdomochemicals.com
A global producer of high-quality engineered nylon materials for various industries, offering sustainable solutions and innovative products while prioritizing employee engagement and societal impact |
951 | |||
| 87 |
stow Groupstow-group.com
Develops, manufactures, and installs top-tier racking and automated storage solutions, offering a comprehensive portfolio from conventional shelving to advanced semi-automated systems. |
943 | |||
| 88 |
AGC Automotive Europeagc-automotive.com
Leading European supplier of automotive glass, fixation devices, antennas, sensors, heating elements, and enhanced property glazing for vehicle manufacturers worldwide |
934 | |||
| 89 |
TOMRA Foodtomra.com
Designs and manufactures sensor-based sorting machines, grading, peeling, and analytical technology for the food industry, improving returns and ensuring food safety globally. |
908 | |||
| 90 |
Agristoagristo.com
Producer of frozen potato products, supplying over 300 customers in 116 countries, including retailers, distributors, fast food chains, and processing industry |
898 | |||
| 91 |
BekaertDesleebekaertdeslee.com
Leading specialist in developing and manufacturing mattress textiles and covers, creating stylish and comfortable sleep solutions for a blissful night's rest |
889 | |||
| 92 | 889 | ||||
| 93 |
Recticelrecticel.com
Innovative insulation solutions for buildings and acoustic needs, contributing to a carbon-free economy and better quality of life |
879 | |||
| 94 |
Agfa Inkjet Solutionsagfa.com
A leading imaging technology company offering solutions in radiology, healthcare IT, and digital print & chemicals, specializing in inkjet printing technology across various industries |
877 | |||
| 95 |
AGP Groupagpglass.com
Develops and manufactures advanced glazing solutions for automotive, marine, and security industries, providing high-tech products for sustainable mobility. |
875 | |||
| 96 |
I-care Groupicareweb.com
Global leader in AI-powered predictive maintenance, offering data-driven condition monitoring solutions to reduce industrial risks and promote sustainability |
862 | |||
| 97 |
Institut Jules Bordetbordet.be
Specialized hospital providing advanced cancer diagnosis, treatment, research, and high-level university education focused on all cancer types. |
851 | |||
| 98 | 819 | ||||
| 99 | 794 | ||||
| 100 |
Van Hoolvdlvanhool.com
Belgian manufacturer of buses, coaches, and industrial vehicles with global operations, producing around 1,200 buses and 3,000 trailers annually |
787 | |||
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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 Nov 12, 2026.
More company lists in Belgium
- The largest companies in Belgium 6,987
- Multinational companies in Belgium 1,745
- Manufacturers in Belgium 630
- Retail chains in Belgium 622
- IT services companies in Belgium 551
- IT Services and IT Consulting companies in Belgium 542
- Family-owned companies in Belgium 435
- Software Development companies in Belgium 430
- Transportation, Logistics, Supply Chain and Storage companies in Belgium 409
- SaaS companies in Belgium 407
- Professional services firms in Belgium 396
- Critical infrastructure operators in Belgium 354
- Hardware manufacturers in Belgium 320
- Financial services firms in Belgium 314
- Distributors and wholesalers in Belgium 314
- Consulting firms in Belgium 285
- Retail companies in Belgium 285
- Food and Beverage Manufacturing companies in Belgium 282
- Truck Transportation companies in Belgium 259
- Logistics companies in Belgium 258
- Advertising Services companies in Belgium 222
- Education providers in Belgium 209
- Consumer goods companies in Belgium 205
- E-commerce companies in Belgium 201
The same list elsewhere in Belgium
- Companies with in-house R&D in Flanders 352
- Companies with in-house R&D in Wallonia 155
- Companies with in-house R&D in Brussels 60
- Companies with in-house R&D in Ghent 40
- Companies with in-house R&D in Leuven 25