Association of Professional Design Firms
（重定向自APDF）
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The Association of Professional Design Firms (APDF) is a U.S. based national professional association of firms working within the allied fields of design. Emphasis is on the mutual exchange of information towards the successful operation of a design firm The organization was founded in 1985 and is headquartered in Chicago. The executive director was Cathy Brownlee. The organization described itself as the business resource for design firms.