JL Thies, Inc. dba Longmont Digital Printing Share: Printers/Publishers JL Thies, Inc. dba Longmont Digital Printing Visit Website Request Info 628 S. Sunset St. Longmont, CO 80501 303-678-1000 http://http://www.longmontprinting.com About Map About We are a family owned and operated commercial printer and vinyl shop. We specialize in design, single to four color printing. Fine art prints. Vinyl Products, banners, vehicle graphics. What's Nearby? Distance: 5 10 15 20 25 50 mi.