We have been collaborating with some of our partners since the outset of our operation, while others have joined in recent years, due to the ever increasing interest in polyester. We collaborate with the following companies and utilities:

Komunalne gradnje, Grosuplje, Hidrotehnik, Lavaco, Prenova-Gradbenik, Nigrad, Teleg-m, Strabag, Malkom, CGP, Novo mesto, Stopar, Ajdovščina, Zidgradim, Idrija, Marn, Križe na Gorenjskem, Kostak, Krško, TGH, Metlika, CPK, Koper, AK-T and many others.