These family-owned companies in Upper Austria are predominantly manufacturers, with a strong presence in industrial machinery, plastics, and electrical components. Most are mid-sized to large firms, many of which were founded in the post-war period. Companies like Fronius manufacture battery charging systems and solar electronics, while ENGEL is a global leader in injection moulding machines. Greiner specializes in plastics and foam solutions, and XXXLutz Österreich operates numerous furniture stores.
A notable pattern among these companies is their long history, with several established in the 19th and early 20th centuries, such as Greiner (1868) and Teufelberger Group (1790). Many are also headquartered in key industrial towns like Wels and Linz, indicating a regional concentration of manufacturing expertise and long-standing industrial traditions.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Froniusfronius.com
Manufacturing battery charging systems, welding technology, and solar electronics for various industrial and residential applications. Providing advanced power solutions. |
5,001 | |||
| 2 |
Greinergreiner.com
A global supplier of plastics and foam solutions with diverse divisions in packaging, medical technology, and more, boasting 11,000+ employees worldwide |
2,876 | |||
| 3 |
ENGELengelglobal.com
Global leader in injection moulding machines and automation, producing plastic parts for various industries worldwide, with a focus on innovation and customer benefit |
2,700 | |||
| 4 |
XXXLutz Österreichkarriere.xxxlutz.at
The company operates over 320 furniture stores in 13 European countries with a focus on customer and employee satisfaction, and high turnover |
751 | |||
| 5 |
Greiner Bio-One Internationalgbo.com
Development and distribution of innovative plastic products for laboratories, hospitals, and research, focusing on preanalytics and bioscience solutions. |
660 | |||
| 6 |
HAUSER GmbHhauser.com
Family-run turnkey supplier providing refrigerated display cabinets and refrigeration systems across Europe through innovative technology, modern corporate culture, and flat organizational hierarchies. |
537 | |||
| 7 |
Schachermayer GmbHschachermayer.at
Wholesale distributor of construction, furniture hardware, tools, fasteners, chemical products, precast building parts, kitchen appliances, and sinks Specializes in logistics optimization |
534 | |||
| 8 |
Aspöck Systemsaspoeck.com
With over 45 years of experience, this company is Europe's leading manufacturer of pre-fabricated lighting systems for various types of vehicles, from concept development to testing |
523 | |||
| 9 |
Hawle Austria Grouphawle.com
The company specializes in producing and distributing high-quality valves for drinking water, providing solutions for water treatment, distribution, and fire protection worldwide |
517 | |||
| 10 |
Teufelberger Groupteufelberger.com
Manufacture fiber and steel wire ropes, synthetic ropes for various uses, and plastic strapping for transport security worldwide. |
516 | |||
| 11 |
Felbermayrfelbermayr.cc
A family-owned company offering transport, lifting technology, and civil engineering services with a strong customer focus, positioning itself as a full-service provider |
488 | |||
| 12 |
ZAUNERGROUPzaunergroup.com
A premier partner in Europe for Engineering, Building Services, and Mechanical Installations, specializing in various industries with a focus on safety and efficiency |
348 | |||
| 13 |
Kremsmuellerkremsmueller.com
The company offers end-to-end solutions for plant projects, ensuring safety, quality, efficiency, and seamless operations from inception to decommissioning |
301 | |||
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. | |||||
| 14 |
GARTNER - "THE WORLD OF TRANSPORT"gartnerkg.com
Leading European transport company specializing in road freight, intermodal rail services, and customized logistics solutions across multiple countries. |
258 | |||
| 15 |
Fischer Sportsfischersports.com
Austrian supplier of premium Alpine and Nordic skiing equipment, known for innovation and top technologies, providing top athletes and customers with high-quality products |
244 | |||
| 16 |
EBNER Industrieofenbauebner.cc
A global family-owned company specializing in heat treatment facilities for the metals industry, offering environmentally friendly and energy-efficient solutions through innovative concepts |
229 | |||
| 17 |
Resch&Frisch Grupperesch-frisch.com
A family-owned Austrian bakery company with 1,400 employees offering fresh baked goods, diverse jobs, career growth, and employee benefits. |
215 | |||
| 18 | 207 | ||||
| 19 |
backaldrin The Kornspitz Company GmbHbackaldrin.com
A leading manufacturer of baking ingredients in Austria, developing innovative bread ideas for international customers with over 700 products |
199 | |||
| 20 |
Teufelberger-Redaelliteufelberger.com
A company providing high performance steel wire ropes, world-class technical support, and a leading position in the global market sector |
186 | |||
| 21 |
AGRU Kunststofftechnik GmbHagru.at
A leading supplier of plastics technology for various industries, offering piping systems, semi-finished products, liners, and lining systems with a focus on quality and customer satisfaction |
155 | |||
| 22 |
E. Hawle Armaturenwerke GmbHhawle.com
A family-run company producing high-quality valves for drinking water distribution globally, ensuring reliable water supply and fire protection solutions |
77 | |||
| 23 |
Reform-Werke Bauer & Co Gesellschaft m.b.H.reform.at
Manufacturing special vehicles including transporters, tool carriers, single axle mowers, and cemetery excavators for year-round use in mountain agriculture and various municipal technology applications. |
70 | |||
| 24 |
ULBRICHTS GmbHulbrichts.com
Family-owned company specializing in emblems, decals, name plates for automotive industry, and protective ballistic helmets, with innovative strengths and strong work ethics |
63 | |||
| 25 |
Johann Dettendorfer Spedition Ferntrans GmbH & Co. KGdettendorfer.de
A family-owned transportation company founded in 1825, offering a wide range of logistics services internationally with a focus on flexibility, reliability, and safety |
43 | |||
| 26 |
STIEBEL ELTRON ÖSTERREICHstiebel-eltron.at
Innovative family-owned company specializing in renewable energy, heating, ventilation, and air conditioning solutions with a focus on environmental sustainability and efficiency |
32 | |||
| 27 |
WUKO Inc.wukoinc.com
A family-owned business since 1950, providing high-quality tools to match customers' sheet metal needs for bending, cutting, rollforming, and seaming |
4 | |||
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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 12, 2026.
More company lists in Upper Austria
- The largest companies in Upper Austria 199
- Multinational companies in Upper Austria 96
- Companies with in-house R&D in Upper Austria 63
- Manufacturers in Upper Austria 60
- Hardware manufacturers in Upper Austria 40
- Corporate groups and holding companies in Upper Austria 31