Ravago (Belgium)
Kingspan Group (Ireland)
Owens Corning (US)
EMIRATES EXTRUDED POLYSTYRENE L.L.C. (UAE)
JACKON Insulation GmbH (Germany)
BASF SE (Germany)
Soprema Inc (France)
URSA Insulation
S.A. (Spain)
Austrotherm (Austria) and Abriso nv (Belgium)