Hardware stores , sometimes known as DIY stores, sell household hardware for home improvement including: fasteners, building materials, hand tools, power tools, keys, locks, hinges, chains, plumbing supplies, electrical supplies, cleaning products, housewares, tools, utensils, paint, and lawn and garden products directly to consumers for use at home or for business. Many hardware stores have specialty departments unique to its region or its owner's interests.The five largest hardware retailers in the world are The Home Depot, Lowe's (both of the United States), Kingfisher of the United Kingdom, Obi of Germany, and Leroy Merlin of France.

The Hardware Stores industry has grown steadily over the five years to 2019.IBISWorld expects industry revenue to increase at an annualized rate of 1.1% to $26.0 billion over the five years to 2019; industry revenue is expected to rise 0.7% in 2019 alone.