JOHNS MANVILLE SLOVAKIA a.s.
KNAUF INSULATION s.r.o.
RONA a.s.
VETROPACK NEMŠOVÁ s.r.o.
MEDICAL GLASS a.s.
GLASS BOOSTING TECHNOLOGY s.r.o.
FUN GLASS CENTRE
INSTITUTE OF METALURGY TU KOSICE
FACULTY OF INDUSTRIAL TECHNOLOGIES AND ENVIRONMENT ALEXANDER DUBČEK UNIVERSITY OF TRENČÍN
SPOJENÁ ŠKOLA, I. KRASKU 491, PÚCHOV s organizačnými zložkami
SLOVAK GLASS SOCIETY
FACULTY OF CHEMICAL AND FOOD TECHNOLOGY STU BRATISLAVA