Broadcast Net - http://www.broadcast.net/

A coalition of professional broadcast industry equipment manufacturers, distributors and related services providers are easily accessable through this portal.

National Association of Broadcasters - http://www.nab.org/

Advances the interests of its members in federal government, industry and public affairs; improves the quality and profitability of broadcasting; encourages content and technology innovation; and spotlights the important and unique ways stations serve their communities.