
Electric motors, drives and transformers for industry – from low voltage to high voltage.

STARK Cooperation GmbH
Ammerswil (CH) · Shanghai (CN) · Dallas (USA)New on Amplifa
About STARK
STARK Cooperation GmbH, based in Ammerswil (Switzerland), offers industrial drive systems: electric motors (low voltage, medium and high voltage), generators, transformers, frequency converters, pump systems, forced ventilation, gearboxes and linear motion components. The portfolio includes IE2, IE3 and IE4 motors, stainless steel motors for hygienic environments, high-temperature motors for smoke and heat exhaust systems (F250–F400) and custom HV motors in the power range from 150 kW to 100 MW according to IEC and NEMA standards. STARK operates a global licensing and manufacturing model: engineering, production protocols and quality systems are transferred to partners in the USA, China, the Middle East and Africa. In addition, the company offers R&D, testing, prototyping, integration into drive systems, large inventories, worldwide distribution and express deliveries. Customer industries include steel and rolling mills, mining, paper industry, HVAC, vacuum furnaces, data centers (UPS/ESS) and pump applications.
- Site
- Ammerswil
- Processes
- Technical Consulting and Support, R&D, Testing, Prototyping and Integration into Drive Systems, Custom Motor and Drive Solutions, Large Inventories with Short Delivery Times, Worldwide Distribution via Distributor Network, Technology Licensing and Global Manufacturing Models, Secure Packaging, Express Delivery (Air Freight)
- Materials
- Low-Voltage Asynchronous Motors, High-Voltage Motors, Stainless Steel Motors, Forced Ventilation, Frequency Converters, Linear Motion Systems, Transformers
- Founded
- 2018
- Industries
- Steel/Rolling Mill Industry, Mining, Paper Industry, Food/Hygiene Sectors, HVAC, Material Handling
- 01
Engineering & Design
- 02
Prototyping & Testing
- 03
Technology Licensing to Manufacturing Partners
- 04
Warehousing
- 05
Worldwide Distribution & Express Delivery
- 06
Technical Support
Products & Technologies
Low-Voltage Asynchronous Motors
IE2, IE3 and IE4 motors for durable, reliable drive systems.
High-Voltage Motors
Custom motors from 150 kW to 100 MW according to IEC and NEMA.
Stainless Steel Motors
Food-grade motors for hygienic environments with high humidity and frequent cleaning cycles.
Forced Ventilation
External cooling for heat dissipation, suitable for motors of any brand.
Frequency Converters
Robust frequency converters for material handling, pumps and HVAC.
Linear Motion Systems
Linear guides, ball screw drives, actuators and motors for high speeds and accelerations.
Transformers
Oil-filled, dry-type and amorphous-core transformers up to 220 kV including switchgear.
Locations
Ammerswil
CHHeadquarters (Lenzburgerstrasse 30)
Shanghai
CNProduction/Licensing
Dallas
USLocation Texas, USA
Products



Inside the production



Industries
Additional services
Reference customers
History
- 2018
Founded; website stark-elektromotoren.com online since September 2018
- 2020
Product launch STARK EBS Economy Stainless Steel Motors and SVE Premium Forced Ventilation
- 2021
New website for STARK Linear Motion Systems
- 2022
Delivery of a 1,600 kW / 5,500 V slip-ring HV motor to a steel rolling mill in India; air-freight express delivery of a 13-tonne motor