Reader A.M. points us to this really interesting little article on Reddit, cataloging the moccasin manufacturers of Maine, and the Maine-style moccasin manufacturers of the rest of the country. They range from large (Rancourt hand-sews a thousand pairs a week) to small (like Wassookeag, whose mocs are pictured above).
(The author of the piece is a member of a new reddit community for shoe nerds: /r/goodyearwelt.)