R & L Spring Company

Exacto Spring is a manufacturer of custom, precision compression springs. Compression springs are open-coil helical springs that offer resistance to compression forces applied axially. They are usually coiled as a constant-diameter cylinder. Other common shapes for compression springs include conical, Contact Exacto Spring concave (hourglass), convex (barrel) and various combinations of these as required by the compression spring application. The applications the springs are used for are as widespread as the company s sizes, ranging from hearing aides to shafts on farm implements. While square, rectangular or special-section wire may have to be specified, round wire is predominant from Exacto Spring because it is readily available and adaptable to standard coiler tooling.

Established in 1958, Wisconsin Coil Spring manufactures a variety of wire springs. The company offers compression springs for power tools, lawns, motorcycles, plumbing fixtures, hoists and cranes. Its extension springs are used in engines, electric switches, power transformers and printing presses. Wisconsin Coil Spring provides helical torsion springs in a range of specifications. The company has flat and bent wires for dies, tools and lighting equipment. It utilizes mechanical coilers, grinding machines and electronic testers for the production of products. Wisconsin Coil Spring is located in Muskego, Wis.

Associated Spring is a business segment of Barnes Group and is one of the world's leading spring manufacturers that provides custom engineering solutions. The company serves the transportation, aerospace, automotive, electrical, electronics, general industrial, lawn and garden, consumer home products and medical devices sectors. It offers torque coils, compression and extension springs, control rods, automotive valves, retaining and snap rings, curved and wave washers, blower housings and custom stampings. The company s capabilities include design and solid modeling, material testing and failure analysis, dynamic simulation, mechanical testing and finite element analysis. Associated Spring has been operational for more than 150 years and maintains a location in Milwaukee.