Northfield Manufacturing is an experienced American foundry based in Westland, Michigan, specializing in prototype and low-volume production sand castings. Established in 1975, the company has built decades of expertise serving automotive, military, mining, and diverse industrial markets. Its smaller-facility approach enables Northfield to maintain close customer relationships while providing responsive communication and fast turnaround times. The company produces gray iron, ductile iron, carbon steel, alloy steel, and stainless-steel castings ranging from approximately 1 ounce to 1,200 pounds. Its capabilities include in-house pattern making, molding, heat treating, welding, shot blasting, grinding, metallurgical testing, and quality inspection. Northfield Manufacturing produces components such as brake rotors, manifolds, engine blocks, brackets, covers, machine fixtures, and machine bases. With modern foundry equipment, experienced personnel, and strong metallurgical expertise, the company focuses on producing reliable castings that meet demanding dimensional and material specifications. Its commitment to quality, transparency, and rapid service makes Northfield a dependable partner for prototype and short-run casting requirements.