Globe Poster Printing Corp. was a Baltimore letterpress poster company that printed a large selection of concert posters. The company went out of business but their equipment is still operational. It’s at the Maryland Institute College of Art in Baltimore. They are still making posters which are available here. They also made posters for the New York Film Festival with a design by John Waters and the Stax ’68 box set.
Nashville’s Hatch Show Print still makes posters, primarily for country music shows. They also do an annual BlobFest Poster. Their online shop is here: