Hesta cooperates with many suppliers of profile systems and components for windows and doors. These mainly include companies based in Germany, Austria and Belgium, which guarantee a high technical and quality level of supplied components.
Profile systems for windows, entrance and terrace doors are from the German supplier Salamander Industrie-Produkte GmbH and the Belgian supplier Aliplast (aluminium profiles).
Insulating glass is supplied by the well-known glass manufacturers Guardian, Glasko s.r.o., KALI GLASS, Saint-Gobain Glass and AGC. Fittings for plastic windows and doors are supplied by MACO, fittings for plastic doors and terrace solutions and for aluminium profiles are supplied by G-U, as well as by other suppliers like Dr. Hahn, Fapim, Schüring, etc. Door panels, whether classic or with a covered leaf, come from Perito and Gavaplast.
Handles for windows and doors are supplied by Hoppe, ASD, etc.