| ALFA LAVAL |
| ALIMA–BIS Sp. z o.o. |
| ARGO Sp. z o.o. |
| AZELIS |
| BABCOCK |
| BACTOFORCE |
| BIG-POL Sp. z o.o. |
| BPSC |
| Constantia ColorCap Sp. z o.o. |
| CULINAR Polska Sp. z o.o. |
| DALKIA |
| DIVERSEY Sp. z o.o. |
| ECOLAB Sp. z o.o. |
| ECOR Product Sp. z o.o. |
| ELOPAK S.A. |
| Euro-PAN Sp. z o.o. |
| FLEXLINK |
| FOSS Polska Sp. z o.o. |
| GEA Grasso Sp. z o.o. |
| GEA Niro Soavi |
| GEA Process Engineering Sp. z o.o. |
| GEA Tuchenhagen Polska Sp. z o.o. |
| GEA Westfalia Separator Polska Sp. z o.o. |
| GRUNDFOS Pompy Sp. z o.o. |
| HALOILA |
| HUGART Machines Sp. z o.o. |
| Hypred – Agrochemia Polska Sp. z o.o. |
| IMCD |
| MARCOR |
| MILK HYDROSAN Sp. z o.o. |
| MLEKOMAT Sp. z o.o. |
| NEUMO Polska Sp. z o.o. |
| NOACK |
| NOVADAN Sp. z o.o. |
| OBRAM Sp. z o.o. |
| OPTIFLOW Sp. z o.o. |
| PEPE Paulina Nawra, Piotr Pakulski Sp. j. |
| PHIMAR Sp. z o.o. |
| RIEDEL |
| SCHWARTE-MILFOR Sp. z o.o. |
| SMF Poland Sp. z o.o. |
| SPINEX Spinkiewicz Sp. j. |
| SPX Flow Technology Sp. z o.o. |
| TAJFUN |
| TAPFLO |
| TECHNO SERWIS Sp. z o.o. |
| TELEST Sp. z o.o. |
| TETRA Pak Sp. z o.o. |
| TEWES-GROUP Sp. z o.o. |
| TEWES-BIS Sp. z o.o. |
| TREPKO Sp. z o.o. |
| ULMA Packaging Polska Sp. z o.o. |
| UNITEX CBW Sp. z o.o. |
| WEBER Polska Sp. z o.o. |
| WILD |
| ZENTIS Polska Sp. z o.o. |