Akzo Nobel www.akzonobel.com Crown Trade Colorfects www.colorfects.co.uk RIBA Drawings www.historic-colours.co.uk Crown Trade www.crowntrade.co.uk Sadolin www.sadolin.co.uk Sandtex Trade www.sandtextrade.co.uk Sikkens www.sikkens.co.uk British Coatings Federation www.bcf.co.uk Scottish Decorators Federation www.scottishdecorators.co.uk BBA www.bbacerts.co.uk Painting and Decorating Association www.paintingdecoratingassociation.co.uk/