AD is passionate about bringing growth-oriented independent distributors and best-in-class supplier partners together with the purpose to outperform the market and to stay ahead of the competition.

For 35 years AD’s sincere customer-first approach to relationships, and our continual investments in innovative support has helped AD to achieve annual sales of $32 billion across seven industries and three countries. With more than 3,800 branches from 550 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.

The Power Transmission Distributors Association (PTDA) is the leading association for the industrial power transmission/motion control (PT/MC) distribution channel. PT/MC encompasses a broad variety of mechanical, electrical and fluid-driven equipment such as bearings, belts, drives, motors, gears, couplings, clutches and brakes, linear motion, and hydraulics and pneumatics. PT/MC products are found in manufacturing plants, assembly lines, in production processes—anywhere there is movement, you’ll find PT/MC products. Learn more about the power transmission/motion control industry.

PTDA’s members are the companies that distribute and manufacture the components that keep your world running smoothly. PTDA’s membership comprises power transmission/motion control distribution firms that generate more than $16 billion in sales and span over 3,400 locations. PTDA members also include manufacturers that supply the PT/MC industry. Guided by a member-focused strategic plan, the Association harnesses the expertise and intellectual capital of its collective membership to provide high-quality networking opportunities and best-in-class programs that enable member companies to compete more effectively in a changing marketplace.

EASA is a dynamic, professional trade organization that is recognized internationally as the leader in the electrical and mechanical apparatus sales, service and repair industry. EASA provides an ongoing flow of industry information and education that helps members worldwide serve as total solution providers for electrical and mechanical equipment and systems.

supplyFORCE delivers multi-category MRO (maintenance, repair, and operating) solutions to large Fortune 1,000 companies through our network of 200+ trusted local and regional distributors with more than 2,500 branch locations. This ensures that each customer plant location gets the highest levels of service and support at the lowest total cost.
supplyFORCE enables customers to consolidate agreements and leverage their spending for both planned and unplanned purchases. One comprehensive corporate agreement can support all product category needs, including electrical, industrial & safety, power transmission & bearings, pipe, valves & fittings, plus many others.

BSA is an Illinois not-for-profit corporation whose policies and direction are determined by elected officers and a board of directors, who report to the general membership. The officers and directors represent member firms from worldwide geographic areas. The board meets three times per year, and the association's performance is reported to and reviewed by the membership at the annual meeting.

Industry Associations