Main Street Mat Company Share: Cleaners Main Street Mat Company Visit Website Request Info PO Box 785 245 Main Street Longmont, CO 80502 303-776-4840 303-776-4847 (fax) www.mainstreetmat.com About Map About Sales and service all types, sizes and colors of floor protection mats. What's Nearby? Distance: 5 10 15 20 25 50 mi.