This selection of companies in Styria with in-house R&D includes large employers like ANDRITZ, a global supplier of plants and equipment, and AVL, a mobility technology company. Also present are ams OSRAM, specializing in light and sensor technologies, and KNAPP, which provides intralogistics automation solutions. These companies represent diverse sectors.
The list shows a concentration of headquarters in Graz, with several firms like ams AG, a sensor technology leader, and Anton Paar, specializing in laboratory instruments, based there. Other significant companies include AT&S, a manufacturer of high-end printed circuit boards, and RINGANA, producing natural cosmetics.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
ANDRITZandritz.com
A global supplier of plants, equipment, and services for various industries including hydropower, pulp & paper, metalworking, and solid/liquid separation |
14,107 | |||
| 2 | 11,000 | ||||
| 3 |
ams OSRAMams-osram.com
Global leader in light and sensor technologies, specializing in LEDs, lasers, and imaging sensors for automotive, medical, and industrial sectors. |
6,876 | |||
| 4 | 3,500 | ||||
| 5 | 3,414 | ||||
| 6 |
RINGANAringana.com
This company produces fresh cosmetics and supplements from natural ingredients, prioritizing potent antioxidants and avoiding synthetic preservatives and unnecessary additives |
2,891 | |||
| 7 |
University of Grazuni-graz.at
A creative university generating knowledge, addressing social issues, offering solutions, and guiding students to tackle global challenges in biosciences and climate research |
2,889 | |||
| 8 |
ams AGams-osram.com
Global leader in intelligent sensors, illumination, and visualization technologies enhancing safety, simplicity, and efficiency in everyday life. |
2,221 | |||
| 9 |
voestalpine Railway Systemsvoestalpine.com
Global market leader in railway infrastructure systems solutions, offering top-quality products, logistics, and services for rails, turnouts, fastening systems, signaling technology, and monitoring applications |
1,880 | |||
| 10 | 1,380 | ||||
| 11 |
FH Joanneumfh-joanneum.at
This company offers practical and interdisciplinary academic programs, conducts applied research projects, provides international opportunities, and prepares students for successful careers |
1,342 | |||
| 12 |
MAGNA STEYR Fahrzeugtechnik AGmagna.com
Global engineering and manufacturing partner for OEMs, headquartered in Graz, Austria, offering brand-independent solutions |
1,302 | |||
| 13 |
Anton Paaranton-paar.com
A global high-tech company specializing in laboratory instruments, process measurement technology, automation solutions, and high-precision parts production for various industries worldwide |
1,211 | |||
| 14 |
ANDRITZ Pulp and Paperandritz.com
A leading supplier of technology and services to the pulp and paper industry, focusing on equipment life-cycle support and optimizing performance for long-term success |
985 | |||
| 15 |
Montanuniversität Leobenunileoben.ac.at
A higher education institution located in Leoben, Austria, providing academic programs and research opportunities in various fields |
798 | |||
| 16 |
voestalpine BÖHLER Edelstahl GmbH & Co KGbohler-edelstahl.com
Specializing in top-quality specialty steels, we provide innovative solutions for leading companies in forward-thinking industries, pushing the boundaries of what is possible |
638 | |||
| 17 |
Stoelzle Glass Groupstoelzle.com
family-run company producing high-quality glass packaging for spirits, pharmaceuticals, cosmetics, food, and beverage sectors across multiple countries. |
616 | |||
| 18 | 615 | ||||
| 19 |
AHT Cooling Systems GmbHaht.at
AHT specializes in commercial refrigeration using natural refrigerants, serving discount/supermarket chains, ice cream/beverage manufacturers worldwide with career growth opportunities under Daikin's umbrella |
593 | |||
| 20 |
LKH-Univ. Klinikum Grazuniklinikumgraz.at
A hospital focused on patient-centered care and providing the best healing chances through top-notch treatment, education, and research in partnership with the Medical University Graz |
538 | |||
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. | |||||
| 21 |
Boxmark Leatherlinktr.ee
A leading leather manufacturer and processor, specialized in producing upholstery leather for automotive and furniture industries with a strong focus on quality and environmental standards |
422 | |||
| 22 |
Samsung SDI Battery Systemssamsungsdibs.at
Global leader in e-mobility, specializing in innovative lithium ion battery systems for automotive applications, with headquarters in Austria and operations worldwide |
411 | |||
| 23 |
JOANNEUM RESEARCHjoanneum.at
An innovative research institute in Styria developing solutions and technologies for various sectors, facilitating technology and knowledge transfer globally |
398 | |||
| 24 |
NXP Semiconductors Austrianxp.com
This company specializes in enabling secure connections and infrastructure for a smarter world, focusing on contactless identification systems in various applications |
391 | |||
| 25 |
GL Pharmagl-pharma.com
A leading pharmaceutical company based in Austria, specializing in research, production, and distribution of high-performance medicines for various therapeutic areas |
382 | |||
| 26 |
Saubermacher Dienstleistungs AGsaubermacher.at
An international waste management and recycling organization focused on achieving zero waste through innovation, digitalization, research, and sustainability |
379 | |||
| 27 |
Silicon Austria Labs (SAL)silicon-austria-labs.com
development future-oriented solutions industrial production health energy mobility cooperative application-oriented research value chain green technologies sustainable solutions |
378 | |||
| 28 |
FH CAMPUS 02campus02.at
Educates academic entrepreneurs, specialists, and managers for business through market-oriented studies and applied research, preparing students for key business roles and enhancing company competitiveness. |
356 | |||
| 29 |
Mercedes-Benz G GmbHmercedes-benz-g.at
Austrian automotive OEM managing processes for the G-Class, combining precision and emotion with global expertise to set new standards in off-road vehicle construction |
345 | |||
| 30 |
Fresenius Kabi Austriafresenius-kabi.com
A global leader in healthcare specializing in infusion and nutrition therapy products, improving patient quality of life worldwide |
334 | |||
| 31 |
Christof Industrieschristof.com
Global industrial plant development and servicing partner with innovative, sustainable solutions for various industries worldwide, aiming for a circular economy with zero waste |
317 | |||
| 32 |
Pankl Racing Systemspankl.com
The company aims to be a top supplier of systems for motor racing, luxury cars, and aviation, emphasizing innovation, quality, and customer success |
311 | |||
| 33 | 295 | ||||
| 34 |
KOMPTECH GmbHkomptech.com
A leading expert in mechanical and biological waste recycling, specializing in woody biomass treatment with a range of over 50 machines for shredding, separation, and biological treatment |
185 | |||
| 35 |
Vexcel Imagingvexcel-imaging.com
A global leader in aerial imaging, specializing in aerial cameras, mapping systems, and photogrammetric processing software for high-precision data collection |
184 | |||
| 36 |
AVL DiTESTavlditest.com
The company specializes in providing high quality test systems and diagnostic tools for workshops and test centers worldwide, ensuring support throughout the vehicle life cycle |
183 | |||
| 37 |
REDWAVEredwave.com
REDWAVE provides innovative recycling and waste treatment solutions worldwide, including sensor-based sorting machines, turnkey sorting plants, waste treatment plants, and composting systems |
90 | |||
| 38 |
blackshark.aiblackshark.ai
geospatial intelligence, leveraging AI and satellite technology for object detection, simulation, and creating a 3D digital twin of Earth. |
70 | |||
| 39 |
TRIOTRONIK Computer und Netzwerktechnik GmbHtriotronik.com
The company specializes in network technology, offering structured cabling, fiber solutions, active components, video surveillance, distribution of leading brands, and training programs globally |
35 | |||
| 40 |
ARTIarti-robots.com
High-tech software start-up developing robust AI Kits for ground-bound autonomous mobile robots, offering turnkey products, services, and consulting for robotic projects |
14 | |||
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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 11, 2026.