Throughout 2025, FCOED is recognizing and celebrating Frederick County’s Manufacturers. Manufacturing in Frederick County, Maryland covers a wide range of products from a variety of industries. Join us every Tuesday and Thursday as we get to know our Top 50 Manufacturers.
Rinker Materials
1751 Monocacy Boulevard
Frederick, MD 21701
Number of Employees in Frederick County: 58
Rinker Materials – Concrete Infrastructure Division, a QUIKCRETE® Company, manufactures reinforced concrete pipe and reinforced concrete box culverts at its Frederick facility. The company provides a range of infrastructure solutions, from stormwater, sanitary, bridge solutions, and specialty products that offer industry-leading strength and long-term dependability. Rinker Materials is the nation’s largest manufacturer of concrete pipe, box culvert, precast and related products.