References
IMPAS delivers their products through entire Europe, 30 till 35 % is intended for export. The other products are delivered in the Netherlands.
| Wärtsilä | The Netherlands, Finland, Italy and Switzerland |
| MaK/Caterpillar | Germany |
| MAN Diesel | Germany |
| ZF Marine | Germany, Italy |
Flender | Germany |
| Renk | Germany |
| Meyer Werft | Germany |
| IHC Holland | The Netherlands |
| Bodewes Shipyards | The Netherlands |
| Ferus Smit Shipyards | The Netherlands |
| Aalborg Industries | The Netherlands |
| Bosch Rexroth | The Netherlands |
| Nijhuis Pompen Nederland | The Netherlands |
| Heinen & Hopman Engineering | The Netherlands |
| Essent | The Netherlands |
| Avebe | The Netherlands |