If you need something built, torn down, moved, or dug up, AED knows who to call. Associated Equipment Distributors is a not-for-profit trade group that supports some 700 heavy equipment manufacturers and distributors in the construction, mining, agricultural, and engine construction industries. AED provides research, training, advocacy, networking, and business management support. It also publishes Construction Equipment Distribution magazine and runs a distance learning program to help members with customer service, finance, HR issues, and inventory control. The organization was founded in 1919.