PuzzleFlow Solutions U.S. is a Michigan based, U.S. owned developer of automated, PDF, prepress, workflow, and preflighting systems for the newspaper industry, ink optimization systems for commercial and newspaper printing, and advanced custom prepress systems development and integration. Working in partnership with PuzzleFlow Europe and ACCHSH - developers of commercial printing solutions and a full featured PDF Library, PuzzleFlow Solutions U.S. has international resources offering a world of possibilities.