Excelsior Poultry Grit Company started at Allenby Rd, Panmure, Auckland in 1956, crushing and screening Oyster and Cockle shell for the Poultry Industry.
In the late 1960’s Excelsior started processing rock chip for the then early days of the decramastic roof tile industry. In 1972 the business moved to its present premises in Dominion Rd, Papakura. Today Excelsior Grit continues with Oyster Shell production also stone aggregate, roofing chip and rock granule production, also garden fertiliser products. We pride ourselves with consistent quality and ready availability of our products.