Otto Knauf in the heart of NRW - our home with economic advantages

The company OKS Otto Knauf GmbH is not only located in one of the most densely wooded local recreation areas in South Westphalia, but also in the middle of numerous industrial world market leaders. In a strong economic region that is developing. The strategically favourable position ensures good transport connections. Our company in Iserlohn can be easily reached via the A46 and the B233. We are looking forward to welcoming you soon at OKS!

OKS Otto Knauf GmbH

Steel Service Center
Zollhausstraße 38
58640 Iserlohn

Phone: +49 (0) 2371 / 9456-0
Fax: +49 (0) 2371 / 9456-33

Office hours:
Mon-Thurs.: 7:00 am – 5:00 pm
Fri.: 7:00 am –  3:00 pm

Loading and unloading:
Please take note that all Pickups and Deliveries have to be advised in our Cargoclix system. You can reach our cargoclix system via following link:

For the booking of a time frame you will need a dipatch or loading number.
You will get this number from our dispatch:

Tel.: 02371 / 94 56 – 31 / – 70

Loading and unloading:
Mon.-Fri.: 6:00 am – 8:00 pm

Contact Shipping-Department:
Hr. Spiwok
Hr. Stirner

Phone: +49 (0) 23 71 / 94 56 – 31
Fax: +49 (0) 23 71 / 94 56 – 666

Please note that a collection must be notified to our shipping department at least 1 day in advance by 1:00 pm.



Do you have questions regarding our services? Send us your own individual inquiry. You can count on us both in direct and in contract business. We are looking forward today to your product of tomorrow.