Maryland Wineries
217 federally licensed wineries in Maryland, pulled from the TTB basic permit registry. That's 1.2% of all US wineries with active permits.
This page is a state-scoped slice of the US Wineries hub. Coverage is filtered to permittees with at least one COLA filed since 2005 — the working set of Maryland wineries putting product into interstate commerce.
American Viticultural Areas in Maryland
Maryland contains 3 AVAs in the COLA Cloud open-data set. Each links to the AVA's dedicated page with boundary, parent/sub-AVA hierarchy, and CFR rulemaking history.