Development and manufacture of power electronics, drive controls and motion control for mobile machinery.
INRO Elektrotechnik GmbH
Stockstadt a. MainNew on Amplifa
System partner for professional electronics
INRO Elektrotechnik GmbH is a development and manufacturing service provider specialized in power electronics, headquartered in Stockstadt am Main. The company develops and manufactures motor controllers, master controllers and navigation solutions for electric off-highway vehicles, construction machinery, agricultural machinery, industrial trucks, marine applications and industrial machinery. The portfolio ranges from small controllers to complex safety-related controllers in accordance with EN ISO 13849 (Performance Level d, Category 3). The range of services covers electronics development, embedded and IoT software development, design for harsh environmental conditions as well as in-house manufacturing (EMS) with an in-house testing facility. Customers are supported from the product idea through prototyping to series maturity; all assemblies are 100% tested with database support. The company with 150 employees is organized at one location together with its sister company INRO ETMS GmbH (manufacturing, administration, logistics).
- Site
- Stockstadt a. Main
- Processes
- EMS services / contract manufacturing of electronic assemblies, devices and systems, Development, prototype construction and series supply of integrated control components, Electronics development (power electronics, functional safety, layout design), Software development (embedded software, IoT), Engineering design (customized, for dust, water, cleanroom), 100% inspection of all assemblies with series test stands (function testers, load test stands), Electronics development, Software development (embedded, IoT)
- Materials
- Electronics manufacturing (EMS), Power electronics, Functional Safety, Cyber Security
- Certificates
- ISO 9001:2015
- Founded
- 1994
- Employees
- 150
- Industries
- Industrial truck technology/logistics, Construction machinery, Agricultural machinery/agriculture, Off-highway vehicles, Marine applications, Industrial machinery/industrial pumps
- 01
Electronics development
- 02
Software development (embedded, IoT)
- 03
Engineering design
- 04
Prototype construction
- 05
EMS manufacturing
- 06
100% testing
- 07
Series supply
Development & Manufacturing
Electronics manufacturing (EMS)
Contract manufacturing of electronic assemblies, devices and systems in accordance with TÜV certification.
Power electronics
Efficient conversion and control of voltages and currents for electric drives.
Functional Safety
Safety-related shut-off functions up to Performance Level d, Category 3 according to EN ISO 13849-1.
Cyber Security
Protection of the components in customer systems at software and system level.
Location
Stockstadt a. Main
DEDevelopment, administration, production
- Lot size
- Prototypes to series production
- Materials
- Power electronics, control electronics
- Series test stands
- Function testers
- Load test stands
- Modern production systems
- In-house testing facility
Control components
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| EMS services / contract manufacturing of electronic assemblies, devices and systemsAssembly | – | – | – | – | – |
| Development, prototype construction and series supply of integrated control componentsEngineering | – | – | – | – | – |
| Electronics development (power electronics, functional safety, layout design)Engineering | – | – | – | – | – |
| Software development (embedded software, IoT)Engineering | – | – | – | – | – |
| Engineering design (customized, for dust, water, cleanroom)Engineering | – | – | – | – | – |
| 100% inspection of all assemblies with series test stands (function testers, load test stands)Testing | – | – | – | – | – |
Additional services
Quality
All assemblies are 100% inspected with database support; in-house developed series test stands such as function testers and load test stands are an integral part of quality assurance. Both sister companies are certified to ISO 9001:2015 by TÜV Rheinland.
| Evidence | Stockstadt a. Main |
|---|---|
| ISO 9001:2015 |
Company history
First projects as a student start-up of INRO Industrierohstoffe GmbH in the field of system devices and industrial trucks
Foundation of INRO Elektrotechnik GmbH in Aschaffenburg with seven employees as an EMS service provider
Relocation to a new building in Stockstadt am Main
Acquisition of BLS GmbH (supplier), expansion of value added
- 1999-2011
Continuous expansion of production capacities and office space
- 2023
Awarded the Top 100 innovation prize
- 2024
Awarded the Top 100 innovation prize
- 2025-02
Simon Stumpf joins the management board
- 2025-03
Andreas Böttler joins the management board