RIO Syrup Company, Inc. Share: Beverage RIO Syrup Company, Inc. Visit Website 2311 Chestnut Street St. Louis, MO 63103 (800) 325-7666 (314) 436-7707 (fax) About Map About Beverage flavors manufacturer since 1940 for drink bases, slush, shaved ice, sno cones, malts, shakes, cider, and Italian sodas etc. Liquid food colors, and dyes What's Nearby? Distance: 5 10 15 20 25 50 mi.
