Proven Across the World’s Most Advanced Aircraft...
Renton Coil Spring Company has played a critical role in the development of leading commercial and business aircraft programs, including the Boeing 777 and 787, as well as the Airbus A380 and A350. RCS also supports a wide range of business jet platforms such as the CRJ 700/900, Global Express, Continental, and Falcon 7X—delivering precision engineered spring solutions trusted across the aerospace industry.
Advancing the Next Frontier...
Renton Coil Spring Company is proud to support the new space race. With precision engineered springs aboard the International Space Station and critical components on crewed and un-crewed spacecraft, RCS delivers flight proven performance for the next frontier of space innovation.
Mission Critical Spring Technology...
Renton Coil Spring Company has been a premier supplier to the defense industry for over 60 years, delivering spring solutions where performance and reliability are non-negotiable. As an engineering driven organization, RCS leads in advanced spring design, material science, and manufacturing technology—supporting defense platforms that demand uncompromising durability, consistency, and control.
FAA CERTIFIED REPAIR STATION # 8RNR750C...
Renton Coil Spring Company is a FAA and EASA certified Maintenance, Repair and Overhaul Station authorized to conduct activity under the provisions of Title 14 of the Code of Federal Regulations, Part 145.*
*Limited to maintenance and alteration of spring assemblies manufactured by Renton Coil Spring, Co. Inc.
Providing Superior Quality Springs and Performance Since 1949...
Design and material capabilities, along with complete performance solutions has led Renton Coil Spring Company to become a top supplier of quality springs, wire forms, assemblies, and flat metal parts with thousands of applications across the globe and beyond.