Centerline Steel, LLC, is a family-owned, “Golden Rule” company dedicated to uncompromising product quality coupled with superior customer service. Our best know brand is Centerline Brackets. All brackets are made from American steel and manufactured in Centerline’s state-of-the-art facilities in St. Augustine, Fla. In addition to its portfolio of countertop supports meeting the greatest number of conventional needs, Centerline’s full-service shop manufactures custom products to match any customer specifications.