Part of the Mangrove Pty Ltd Group of companies, which also includes Braille Tactile Signs (Aust), Precision Engravers was initially established in 1954. A.S.A.D. Signs was formed in 1979 to offer a range of services and solutions. A.S.A.D. stands for "Architectural Signs and Designs" as the business specialises in the manufacture, supply and installation of quality signage and specific architectural products.