In the past, IFIM has co-operated with a large number of regional, national and international companies and carried out joint projects in various forms. Here is a selection of co-operation partners from industry:

- achelos
- AEG Power Solutions
- AGATEC
- arvato Bertelsmann
- Behr-Hella Thermocontrol GmbH
- Bette GmbH
- BGW
- Charité
- CP Contech electronics GmbH
- Deutsche Post Adress GmbH & Co. KG
- DMW Schwarze
- dSPACE
- escrypt
- Bielefeld University of Applied Sciences Bielefeld University of Applied Sciences
- Hanning & Kahl
- helectronics
- HELLA GmbH & Co. KGaA.
- Herbert Kannegiesser GmbH
- Hesse Mechatronics
- Hettich
- HJP Consulting
- IBM
- InnoZent OWL
- janz IT
- Miele
- MTU Aero Engines GmbH
- Neue Westfälische
- ThyssenKrupp Transrapid
- utimaco
- v. Bodelschwinghschen Stiftungen Bethel
- Wincor Nixdorf

The following is a list of some of the scientific co-operation partners with whom members of the Institute of Industrial Mathematics have worked in the recent past.

- CITEC
- CoR-Lab
- Fraunhofer IEM
- FU Berlin
- HNI
- Oxford University
- ZIB