| # | 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 |
Technische Universität Graztugraz.at
Higher education institution specializing in engineering and technical-natural sciences, combining top teaching with applied research and societal needs. |
2,537 |
| 9 |
ams AGams-osram.com
Global leader in intelligent sensors, illumination, and visualization technologies enhancing safety, simplicity, and efficiency in everyday life. |
2,221 |
| 10 |
GRAWE | Grazer Wechselseitige Versicherung AGgrawe.at
Established in 1828, the company has evolved from a fire insurance provider to a diversified international company offering insurance, banking, and real estate services |
2,067 |
| 11 |
Land Steiermarkverwaltung.steiermark.at
Public sector organization with 7,500 employees focused on sustainable development and responsible governance for the region and its population. |
2,013 |
| 12 |
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 |
| 13 |
Medizinische Universität Grazmedunigraz.at
A company in Styria, Austria that operates in the field of higher education, specifically in the medical sector |
1,589 |
| 14 | 1,380 | |
| 15 |
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 |
| 16 |
MAGNA STEYR Fahrzeugtechnik AGmagna.com
Global engineering and manufacturing partner for OEMs, headquartered in Graz, Austria, offering brand-independent solutions |
1,302 |
| 17 |
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 |
| 18 |
KAGes – Steiermärkische Krankenanstaltengesellschaft m.b.H.kages.at
A nonprofit organization in Styria, Austria, providing high-quality medical care and support to over a million patients annually at 20 locations With over 18,000 employees, it is the largest employer in the region, offering diverse career opportunities |
1,031 |
| 19 |
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 |
| 20 | 814 | |
| 21 |
Montanuniversität Leobenunileoben.ac.at
A higher education institution located in Leoben, Austria, providing academic programs and research opportunities in various fields |
798 |
| 22 |
Lyconetlyconet.com
Global marketing agency empowering over 500,000 independent entrepreneurs in 50+ countries to establish successful businesses through unique benefits and support |
794 |
| 23 |
Steiermärkische Bank und Sparkassesteiermaerkische.at
International credit institution focused on digital innovation, with around 2,800 employees in Austria and the Western Balkan region, emphasizing customer-centricity and growth |
681 |
| 24 |
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 |
| 25 |
Stoelzle Glass Groupstoelzle.com
family-run company producing high-quality glass packaging for spirits, pharmaceuticals, cosmetics, food, and beverage sectors across multiple countries. |
616 |
| 26 | 615 | |
| 27 |
Merkur Versicherungmerkur.at
Provider of personal insurance and cover for material and financial assets, specializing in health insurance, preventative healthcare, and expert advice on health-related issues |
607 |
| 28 |
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 |
| 29 |
NTS Netzwerk Telekom Service AGnts.eu
IT solutions provider with a focus on network, security, collaboration, cloud, and data center services Passionate about technology and customer satisfaction |
549 |
| 30 |
Energie Steiermark AGe-steiermark.com
Energy and service company focused on renewable electricity, gas, heat, hydrogen, broadband, and mobility with strong regional and international presence. |
544 |
| 31 |
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 |
| 32 |
Raiffeisen-Landesbank Steiermarkraiffeisen.at
The Raiffeisen-Landesbank Steiermark is a leading regional bank in southern Austria, offering digital banking and personal advisory services With a focus on expertise and innovation, they serve a wide range of clients |
509 |
| 33 |
ANDRITZ Separationandritz.com
This company offers a wide range of separation technologies and services to improve sustainability and efficiency in industries such as food, mining, and chemicals |
490 |
| 34 |
Stadt Grazgraz.at
Official LinkedIn profile of a city showcasing news and updates through the Department of Communication's Public Relations office Connect on Facebook, Twitter, and Instagram |
469 |
| 35 |
Neurothneuroth.com
A leading audiology company in Europe, providing custom hearing solutions, children's audiology, medical devices, and optometry services for better living |
468 |
| 36 |
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 |
| 37 |
Kleine Zeitungkleine.at
A leading Austrian regional newspaper founded in 1904, with a strong online presence and high readership, offering news coverage in multiple regions |
414 |
| 38 |
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 |
| 39 |
MOTIONDATA VECTOR Software GmbHmovec.com
A leading Austrian IT company offering ERP solutions for car dealers, analytical tools, and CRM solutions with a focus on self-sufficiency and process improvements |
406 |
| 40 |
JOANNEUM RESEARCHjoanneum.at
An innovative research institute in Styria developing solutions and technologies for various sectors, facilitating technology and knowledge transfer globally |
398 |
| 41 |
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 |
| 42 |
Blue Tomato GmbHblue-tomato.com
Leading European retailer of snowboarding, freeskiing, surfing, skateboarding, and streetwear with over 30 years of experience, offering a wide range of products worldwide |
389 |
| 43 |
GRAWE Bankengruppegrawe-bankengruppe.at
The company is a longstanding financial institution offering a wide range of services such as financing, savings, private banking, wealth management, trading, fund management, and real estate |
383 |
| 44 |
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 |
| 45 |
Saubermacher Dienstleistungs AGsaubermacher.at
An international waste management and recycling organization focused on achieving zero waste through innovation, digitalization, research, and sustainability |
379 |
| 46 |
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 |
| 47 |
Netconomynetconomy.net
Digital solutions provider enabling market-leading transformation through seamless customer experiences, with expertise in strategy, platform architecture, and operational excellence |
374 |
| 48 |
Rohrer Grouprohrer-grp.com
Family-owned industrial services company specializing in cleaning, scaffolding, insulation, tank maintenance, engineering, and automation with over 45 locations and 3600 employees |
354 |
| 49 |
FH CAMPUS 02campus02.at
A specialized university in Graz offering programs in automation, innovation, IT, accounting, marketing, and sales, focusing on practical learning and research for businesses |
352 |
| 50 |
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 |
| 51 |
Holding Grazholding-graz.at
Municipal service provider in Styria, focusing on public transport, infrastructure, energy, water, urban space, waste management Employs over 2,700 people, prioritizes employee well-being |
344 |
| 52 |
M.I.T e-Solutions GmbHmit-esolutions.at
MIT e-Solutions offers mobile learning, LMS, e-Learning content, and digital communication solutions for training, sales, and marketing projects, serving major international clients |
337 |
| 53 |
Fresenius Kabi Austriafresenius-kabi.com
A global leader in healthcare specializing in infusion and nutrition therapy products, improving patient quality of life worldwide |
334 |
| 54 |
HUMANIC & SHOE4YOU (Brands of Leder & Schuh AG)humanic.net
A leading European shoe retailer with a wide range of international shoe fashion and accessories, offering online and in-store shopping experiences since 1872 |
331 |
| 55 |
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 |
| 56 |
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 |
| 57 | 295 | |
| 58 |
Jugend am Werk Steiermark GmbHjaw.or.at
A leading provider of social services in Styria, offering support for children, teenagers, families, persons with disabilities, and persons seeking work |
254 |
| 59 |
Kastner & Öhlerkastner-oehler.at
A leading Austrian fashion retailer with roots dating back to 1873, offering a wide range of clothing and sporting goods across multiple locations |
236 |
| 60 |
Virtual Vehicle Research GmbHvirtual-vehicle.at
Leading European R&D center specializing in virtual vehicle technology, integrating simulations with hardware testing for innovative vehicle technology solutions |
233 |
| 61 |
legero unitedlegero-united.com
A global family-owned company with Austrian roots, legero united develops and produces sustainable, high-quality shoes sold worldwide, emphasizing people and nature |
206 |
| 62 |
Styria Media Group AGstyria.com
The STYRIA Media Group is a leading media company in Austria, Croatia, and Slovenia, offering a wide range of print, radio, TV, and online media, as well as digital marketplaces |
186 |
| 63 |
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 |
| 64 |
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 |
| 65 |
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 |
| 66 |
ANDRITZ Clean Air Technologiesandritz.com
Global provider of air pollution control, process improvement, energy conservation solutions, and aftermarket services for heavy industry in multiple countries and industries |
181 |
| 67 | 179 | |
| 68 |
Pädagogische Hochschule Steiermarkphst.at
A renowned public educational institution offering teacher training, continuing education, and further education programs to enhance lifelong learning opportunities |
174 |
| 69 |
LebensGroßlebensgross.at
LebensGroß supports individuals facing disadvantage, providing services for inclusion, social fairness, and eco-social responsibility in various facilities They empower over 5,500 individuals with 1,600 employees |
173 |
| 70 |
EFKON GmbHefkon.com
A global provider of Intelligent Transportation Systems, Electronic Toll Collection, enforcement, and traffic telematic solutions with cutting-edge technologies for smarter transportation |
167 |
| 71 |
myWorld International AGcorporate.myworld.com
A global company offering a loyalty program with benefits for shoppers, retailers, and service providers, facilitating customer loyalty and increasing sales |
165 |
| 72 |
IKK Group GmbHikkgroup.at
The company provides consulting services for traffic and transportation systems, as well as expertise in building engineering and industrial construction |
163 |
| 73 |
Rotes Kreuz Steiermarkroteskreuz.at
Improving the lives of those in need through the power of humanity, driven by the principles of the Red Cross movement worldwide |
159 |
| 74 |
Wollsdorf Leatherwollsdorf.com
A leading international leather manufacturer producing high-quality leather for automotive, furniture, and aircraft industries, offering a range of solutions and certifications for quality and environmental protection |
158 |
| 75 |
Jerich Internationaljerich.com
Global logistics group offering comprehensive supply chain management solutions for large trade and industry customers worldwide, from order production to delivery |
156 |
| 76 |
ITS. Implantsits-implant.com
An international medical device company based in Austria, specializing in developing, producing, and distributing titanium implants and instruments for trauma surgery globally |
154 |
| 77 |
ÖSTU-STETTIN Hoch- und Tiefbau GmbHoestu-stettin.at
A long-standing construction company with 500 employees, specializing in tunnel and shaft construction, high-rise buildings, engineering, and steel construction Part of HABAU GROUP |
150 |
| 78 |
Jungheinrich Systemlösungen GmbHjungheinrich.at
A leading software company specializing in warehouse, material flow, and control systems, moving millions of goods worldwide daily |
149 |
| 79 |
WIKI - Wir Kinder, Bildung und Betreuungwiki.at
The company is an innovative and family-friendly partner for care, education, and support of people in Austria, with 1,650 employees in four states |
148 |
| 80 |
Intactintact-systems.com
Global provider of cloud and on-premise SaaS solutions for inspections, audits, certification, and standards Trusted by leading companies in various industries |
145 |
| 81 |
Universalmuseum Joanneummuseum-joanneum.at
A leading museum organization in Graz, Austria offering a diverse range of exhibits on history, art, culture, and natural sciences |
142 |
| 82 |
niceshopsniceshops.com
Austrian e-commerce service provider with global reach, developing online shops, offering various products, services, and manufacturing own brands Focused on sustainability and employee well-being |
129 |
| 83 |
Martin Auermartinauer.at
A bakery company focused on quality, craftsmanship, and social responsibility, striving to make bread using natural ingredients and traditional methods while innovating and growing |
102 |
| 84 |
Supernova Invest GmbHsupernova.at
A leading private real estate company specializing in high quality retail properties in Central and Eastern European countries with a buy-and-hold investment strategy |
93 |
| 85 |
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 |
| 86 |
TimeTactimetac.com
Innovative software company specializing in web-based and mobile time tracking solutions with a focus on modern corporate culture and leading cloud applications |
87 |
| 87 |
CarCuttercarcutter.com
A leading AI technology partner for automotive image solutions, creating virtual 3D showrooms and offering white-label AI solutions for car dealerships and platforms |
83 |
| 88 |
Saint-Gobain Austria GmbHsaint-gobain.at
Austrian company combining leading brands in the construction industry, offering complete building systems for various applications |
71 |
| 89 |
blackshark.aiblackshark.ai
geospatial intelligence, leveraging AI and satellite technology for object detection, simulation, and creating a 3D digital twin of Earth. |
70 |
| 90 |
Gady Familygady.at
A family-owned business in Austria, originally selling bicycles and farm equipment, now the largest private dealer of farm machinery, BMW, MINI, and OPEL vehicles in Styria |
64 |
| 91 |
Boom Softwareboomsoftware.com
Boom Software specializes in developing maintenance and production software solutions for various industries, ensuring optimal asset management and production control |
63 |
| 92 |
Röhren- und Pumpenwerk Bauer GmbHbauer-at.com
A traditional European company with a global presence, specializing in designing and manufacturing high-quality solutions for irrigation, separation technology, and waste water management |
61 |
| 93 |
TAC | The Assistant Companytac.eu.com
Provider of software solutions for the international tourism and fitness market, offering tools for managing spa, sports facilities, memberships, and reservations |
61 |
| 94 |
Hyperwavehyperwave.com
Leading provider of content and knowledge management solutions for intranet environments, enhancing decision-making processes and communication efficiency for over 100 customers worldwide |
60 |
| 95 |
LNConsult GmbHlnconsult.at
A leading logistics consulting company offering full-service solutions and digital tools to enhance supply chain efficiency globally |
56 |
| 96 |
axtesys GmbHaxtesys.at
Innovative and flexible software development company with transparent communication and solution-oriented approach, focused on delivering value and enjoyable collaborations |
56 |
| 97 |
Raiffeisenbank Leoben-Bruck eGenraiffeisen.at
A banking institution providing financial services such as savings, loans, investments, and online banking to individuals and businesses |
50 |
| 98 |
SVI Austria GmbHlinktr.ee
A leading electronics manufacturing services company in Austria, part of a global group, specializing in complex products for various industries |
50 |
| 99 |
Dr. Schilhan Holding GmbHschilhan.net
The company provides tailored cleaning solutions for various industries, offering a comprehensive 360° full-service package to ensure cleanliness and hygiene |
44 |
| 100 |
Bäckerei Sorgersorgerbrot.at
A bakery that combines tradition and craftsmanship to create high-quality organic bread, pastries, sweets, and direct-trade coffee, all made from regional resources |
44 |
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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.