Alpha HPA Limited operates as a specialty metals and technology company. It primarily explores for high purity alumina (HPA) deposits. The company holds interests in the HPA First project and Alpha Sapphire project located in Gladstone, Queensland. It also offers aluminium products for use in LED lighting, lithium-ion batteries, and semi-conductors, as well as sapphire glass for smartwatches/smartphones screens, and wafers for micro-LED technology. The company was formerly known as Collerina Cobalt Limited and changed its name to Alpha HPA Limited in November 2018. Alpha HPA Limited was incorporated in 2003 and is based in Sydney, Australia.