 Louis Silberkleit was the publisher of both magazines throughout their existence, but he changed the imprint he used for them twice. Both were initially published by Blue Ribbon Magazines, Holyoke, Massachusetts. Starting with the March 1940 issue of Future, and the March 1940 issue of Science Fiction, the magazines were published by Double Action Magazines, with offices in Chicago. This changed to Columbia Publications, with offices in Springfield and Holyoke, Massachusetts, with the March 1941 issue of Science Fiction and the April 1941 issue of Future.
