AD is a member-owned organization, passionate about bringing growth-oriented independent distributors and best-in-class suppl ... ier partners together with the purpose to outperform the market and to stay ahead of the competition. For 40 years, AD’s sincere customer-first approach to relationships and our continual investments in innovative support have helped AD to achieve annual sales of $45 billion across nine industries and three countries. With more than 5,000 branches from 850-plus independently owned members, AD is North America’s largest marketing/buying group for construction and industrial supplies. We leverage our unique economies of scale, robust financial systems and people-first approach to help our independent distributor members outperform the competition and our supplier partners protect their brands and diversify their channel strategies. read more