Widely considered the industry standard for letterpress, Boxcar Press provides both plastic-backed and steel-backed processed plates. They are noted for their "green" platemaking practices and overnight replacement guarantees. Hubbub Paper Co Invitation printing service
Offers custom manufacturing for both rigid steel-base plates (starting around ) and soft polyester-base plates for stamps (around $32 ). Buying for Commercial or Industrial Use where to buy photopolymer plates
Photopolymer plates (often called "solar plates") are essential for high-detail printmaking, letterpress, and stamp making. You can purchase them as if you have your own UV exposure unit, or order custom-finished plates from service bureaus that process your digital or analog artwork for you. Retailers for Unexposed Plates where to buy photopolymer plates