The companies listed in St. Gallen are primarily manufacturers of industrial machinery, specialized instruments, and building materials. This selection includes mid-sized firms and larger groups, with several companies having a long history, founded in the 19th or early 20th century. Notable examples include Bühler Group, which develops process solutions for food and vehicle manufacturing, and Geberit, a European leader in sanitary technology.
A common thread among these companies is their focus on precision engineering and specialized applications. Leica Geosystems provides precise measurement instruments, while Starrag manufactures high-precision machine tools. Evatec AG specializes in thin film deposition systems, and BUCHI Laboratory Equipment offers innovative laboratory technology solutions. There is a concentration of companies in the Uzwil and Oberriet areas within the wider St. Gallen region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Bühler Groupbuhlergroup.com
Develops process solutions, digitalizes industrial processes, reduces energy, waste, and water usage in customer value chains, produces food and vehicle manufacturing equipment. |
8,166 | |||
| 2 |
Geberitgeberit.com
Leading European company specializing in sanitary technology and bathroom ceramics with extensive production facilities and strong local presence. |
3,993 | |||
| 3 |
Leica Geosystems part of Hexagonleica-geosystems.com
Provides precise measurement instruments, advanced software, and reliable services for professionals in aerospace, construction, manufacturing, and security industries. |
2,915 | |||
| 4 |
BUCHI Laboratory Equipmentbuchi.com
Providing innovative laboratory technology solutions for research, quality control, and production with focus on efficiency, safety, and sustainability. |
789 | |||
| 5 |
Starragstarrag.com
Manufacturing high-precision machine tools for milling, turning, boring, grinding metallic, composite, ceramic materials, serving aerospace, energy, transportation sectors. |
542 | |||
| 6 |
Evatec AGevatecnet.com
Evatec specializes in thin film deposition and etch systems for manufacturing high-performance optical, optoelectronic, and semiconductor devices with advanced process control technologies |
499 | |||
| 7 |
COLTENE Grouppxl.coltene.com
An international company specializing in dental consumables and small equipment for infection control, dental preservation, and efficient treatment in dentistry |
425 | |||
| 8 |
Jansenjansen.com
Development, manufacturing, and distribution of steel profile systems for windows, doors, façades, and plastic construction products. |
390 | |||
| 9 |
Swissbit AGswissbit.com
A provider of embedded memory and storage solutions for industries like Industrial, Automotive, and Security, ensuring data integrity and security |
281 | |||
| 10 |
Kellenbergerkellenberger.com
A global leader in precision tooling solutions for grinding, turning, milling, and fixture applications, focused on enhancing productivity and profitability |
261 | |||
| 11 |
IQAir: First in Air Qualityiqair.com
Swiss company delivering air quality data, sensors, monitoring systems, purification devices, and expert services to improve global air quality. |
241 | |||
| 12 | 233 | ||||
| 13 |
Telsonic Ultrasonicstelsonic.com
Specialist in industrial ultrasonic technology, supporting research, development, and application of ultrasonic systems for plastic and metal production worldwide |
231 | |||
| 14 | 168 | ||||
| 15 |
Benninger Groupbenningergroup.com
A global leader in textile finishing and tire cord solutions, providing state-of-the-art machinery for textile, chemical fiber, tire, and conveyor belt industries |
143 | |||
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| 16 |
Zünd Systemtechnik AGzund.com
Specializing in digital cutting systems, this family-owned business develops and manufactures precision equipment for various industries worldwide, known for Swiss quality and reliability |
135 | |||
| 17 |
Graf + Ciegraf-companies.com
A world-leading supplier of clothing and combs for spinning and nonwoven processes, focused on innovation, system expertise, and global presence Vertical integration ensures superior quality |
111 | |||
| 18 |
Otto Hofstetter AGotto-hofstetter.swiss
Family-owned since 1955, we specialize in manufacturing high-quality injection moulds for PET preforms, thin-walled packaging, cartridges, tubes, and horticulture products worldwide |
81 | |||
| 19 |
BRUSA Elektronikbrusa.biz
The company specializes in developing the next generation of inductive charging for automotive applications, working closely with the main development site in Switzerland They set standards in power electronics and drives for electric mobility |
70 | |||
| 20 |
Straub Medical AGstraubmedical.com
A medical device company offering innovative systems for minimally invasive treatment of vascular occlusions, along with guidewires and embolism prevention Operating globally |
49 | |||
| 21 |
VDL ETG Switzerlandvdletg.com
Integration of high-precision components, mechatronic systems, and complete OEM modules for the high-tech capital goods industry, including vacuum and semiconductor technologies. |
43 | |||
| 22 |
MIKROP AGmikrop.com
Specializing in high-precision optics for over 35 years, with expertise in endoscopy and applications in medical engineering, automotive, telecommunications, and more |
26 | |||
| 23 |
ROTH+CO. AGrothcoag.ch
A Swiss company specializing in temperature sensor technology, measurement, and control systems They offer custom sensors, temperature measurement devices, and calibration services |
24 | |||
| 24 |
Jacob Rohner AGrohner-socks.com
Since 1930, this company has been known for high-quality, comfortable socks designed for adventures and everyday life They prioritize slow fashion, transparent production, and social engagement |
21 | |||
| 25 |
Bionic Composite Technologies AG - BIONTECbiontec.ch
BIONTEC develops and produces high performance composite components using bionic fibre textiles, combining textile knowledge with composite technology for customized solutions |
20 | |||
| 26 |
WKK Kaltbrunn AGwkk-stanzteile.ch
We are a company that has evolved from toolmaking to a contract manufacturer specializing in stamping, forming, connecting, and assembly We offer innovative and cost-effective solutions |
19 | |||
| 27 |
Zünd Precision Optics Ltd.zuendoptics.com
Specializing in producing custom optical components and adhesive systems, with a focus on highest precision for prototypes, samples, and series production |
18 | |||
| 28 |
Dr. Ihde Dental AGimplant.com
A reliable partner offering implant systems and consumables for dentists and dental technicians, prioritizing high quality, safety, and patient well-being |
11 | |||
| 29 |
Küng AGkuengplast.ch
The company specializes in producing small plastic parts with a focus on sustainable development They provide full-service solutions tailored to customer needs |
3 | |||
| 30 | 
Inficon Holding AGinficon.com
The company provides gas analysis instruments for various industries including semiconductor fabrication, thin film coatings, vacuum coating, and toxic chemical analysis |
1 | |||
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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.
More company lists in St. Gallen
- The largest companies in St. Gallen 211
- Multinational companies in St. Gallen 62
- Manufacturers in St. Gallen 47
- Companies with in-house R&D in St. Gallen 43
The same list elsewhere in Switzerland
- Hardware manufacturers in Switzerland 538
- Hardware manufacturers in Canton of Zurich 105
- Hardware manufacturers in Vaud 79
- Hardware manufacturers in Canton of Bern 43
- Hardware manufacturers in Aargau 33
- Hardware manufacturers in Canton of Neuchâtel 31
- Hardware manufacturers in Canton of Geneva 28
- Hardware manufacturers in Zurich 30