Mitre 10 is an Australian retail and trade hardware store chain. Operations are based on a cooperative system, where the store owners are members of the national group and each has voting rights. The chain name references the mitre joint. There are over 400 "Mitre 10" and its associated "True Value Hardware" franchises throughout Australia.

A big-box store is a physically large retail establishment, usually part of a chain of stores. The term sometimes also refers, by extension, to the company that operates the store. The term "big-box" references the typical appearance of buildings occupied by such stores.