(UK)Oil and Colour Chemists' AssociationEd Oil and Colour Chemists' Association Oil and Colour Chemists'Association Journal of the Oil and Colour Chemists' Association (UK)Cement and Concrete AssociationED (UK)Gauge and Tool Makers' AssociationED Journal of the Oil & Colour Chemists' Association Cement and Concrete Association Manufacturing Chemists Association Portland Cement Association.