PA Preferred
This resource is a partnership program between the Pennsylvania Department of Agriculture and many companies throughout the commonwealth to support the PA economy and encourage the purchase/support of Pennsylvania made products.

Penn State - College of Agricultural Sciences, Extension
A good resource for tree fruit growers and hard cider producers. The Penn State University (PSU) Extension has been putting together great information and offering events and workshops for industry members.

Pennsylvania Apple Marketing Program
The marketing board for all things apple-related in Pennsylvania. This resource provides support to apple growers and hard cider makers in terms of marketing.

Pennsylvania Winery Association
Many hard ciders are considered categorized with wine in Pennsylvania. The Pennsylvania Winery Association helps to market wine (and cider) from Pennsylvania, help serve as a resource for wineries with questions about the industry, and make sure the wine industry continually grows locally in PA.   

Brewers of PA
Ciders with lower ABVs in Pennsylvania are categorized as beer. Brewers of PA is the association that represents the beer brewers and the beer industry in Pennsylvania fighting for legislative reform and serving as a resource.