Chicago Springs Manufacturers 2301 N Knox Ave Gilbert Spring Corporation manufactures all types of springs including compression, extension and torsion springs. All of our products are available in a wide range of materials, finishes, shapes and configurations. Chicago IL Springs Manufacturers Gilbert Spring Co www.gilbertspring.com Black Oxyde Cadmium Painted Passivate Plain Zinc Clear Zinc Yellow Conical Barrel Variable Pitch Beryllium Copper Brass Suggested Chrome Silicon Chrome Vinadium Elgiloy Hard Drawn Inconel 600 Inconel 718 Inconel X750 Monel 400 Mo Black Oxyde Cadmium Painted Passivate Plain Zinc Clear Zinc Yellow Conical Barrel Variable Pitch Beryllium Copper Brass Suggested Chrome Silicon Chrome Vinadium Elgiloy Hard Drawn Inconel 600 Inconel 718 Inconel X750 Monel 400 Mo Business Reviews Gilbert Spring Co Testimonials