Service hotline for our contract customers.

We look forward to hearing from you!

How to contact us

I/O Control GmbH

Alte Kirchstraße 6
33803 Steinhagen

Phone: 05204 / 91310
Fax:     05204 / 913150
E-Mail: info(at)io-control.de

[contact form]

Your contact partners at I/O Control

Management/ Sales


Dipl.-Ing. Henning Dünhölter

Phone: +49 (0) 5204 / 9131 57     
henning.duenhoelter(at)io-control.de

Dipl.-Ing. Michael Spiller

Phone: +49 (0) 5204 / 9131 59 
michael.spiller(at)io-control.de

Design/ Eplan


Frank Echterhoff
(qualified electrician)

Phone: +49 (0) 5204 / 9131 71     
frank.echterhoff(at)io-control.de

Florian Husemann
(state-certified electrician)

Phone: +49 (0) 5204 / 9131 70  
florian.husemann(at)io-control.de

Software/ Engineering


Axel Heidsiek
(state-certified electrician)

Phone: +49 (0) 5204 / 9131 85   
axel.heidsiek(at)io-control.de

Wolfhard Rademacher
(state-certified electrician)

Phone: +49 (0) 5204 / 9131 74
wolfhard.rademacher(at)io-control.de

Dipl.-Ing. Rudolf Schönke

Phone: +49 (0) 5204 / 9131 73     
rudolf.schoenke(at)io-control.de