Norman Hay plc is a specialist chemicals business, focused on sealants and surface coatings. Its operations are divided into three primary divisions and brands: specialist surface coatings (Armourcote), automotive sealants (Ultraseal) and construction industry sealants (TAM). The three primary divisions are supported by Norman Hay Engineering, manufacturers of chemical process plant and equipment. Each division contains various respected sub-brands and products. In November 2007, Surface Technology plc, which is a trading subsidiary of Norman Hay plc, acquired Hi-Tech Coatings Pty Ltd. Its wholly owned subsidiaries include Surface Technology plc, Ultraseal USA Inc, Hi-Tech Coatings Pty Ltd, MX Systems International Ltd and Applied Precision Coatings Ltd.