Brewers Unlimited Zany Zymurgists (BUZZ): Located in Chester County. Includes calendar of events, mailing list, and competition information.
Homebrewers of Philadelphia and Suburbs (HOPS): Includes a calendar of events, membership information, mailing list, and newsletters.
Keystone Hops Homebrew Club: Informal Club in the Philadelphia area. Includes information on events and meetings, discussion forum and beer quotes.
Lancaster County Brewers Club: Profile, articles and newsletters, and calendar of events.
Three Rivers Alliance of Serious Homebrewers (TRASH): Located in Pittsburgh. Includes calendar of events, newsletters, mailing list, and photos.