A short list of eleven industry sectors are covered by Boogar Associates' Associations: Directory.
The American Society of Association Executives maintains a directory of trade associations, membership societies, and other not-for-profit associations at its Gateway to Associations, which is searchable by keyword (but not by category).
Many national trade associations are also listed at:
Other state-wide trade associations are included on these sites:
Trade association sites can include industry reports and statistics, advice for people planning businesses and careers, or lists of upcoming trade shows in the industry. Membership in your industry association might offer additional benefits and information.
Here is a Google search that will often yield interesting trade associations:
Product or Indusrtry + (organization or association)
Example: bakeries (organization or association)
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