Hardlines Distribution Alliance (HDA) is a multidivisional international merchandising and marketing organization with corporate headquarters in Denver. HDA delivers purchasing, marketing, and advertising services that industry manufacturers, distributors and independent retailers depend on to effectively compete in today’s marketplace. As the nation’s largest organization in the hardlines industry, HDA brings together over 65 member distributors with over $7 billion in annual purchasing strength and remains dedicated to the success of independent retailers across the country.