MW Industries (MWI) is the second largest manufacturer of springs and specialty fasteners in North America, with production facilities across the United States. MWI serves over 23,000 customers in 35 countries with the following products:
- Compression Springs - In wire diameters of .13mm-16mm (.01”-.63”)
- Hot Wound Springs - In wire diameters of 11-50mm (.43”-2”)
- Torsion Springs - In wire diameters of .25-16mm (.01”- .63”)
- Double Torsion Springs - In wire diameters of .25-6.05mm (.01”-.24”)
- Coiled and Stamped Rings
- Fourslides - In wire diameters of .254-3.2mm (.01”-.13”) and strip thicknesses of .13-1.3mm (.01”-.05”) and widths up to 28.5mm (1.12”)
- Wire Forms
- Stampings
- Washers - Including flat, curved and Belleville washers
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SEMS Fasteners - In 2- and 3-piece designs
All of these are available in quantities from prototype to full production volumes. MWI’s expertise extends to manufacturing in a full range of metals, including “exotics” such as Inconel, Elgiloy, MP35N, Titanium, Hastelloy, and all grades of Stainless Steel.
MWI’s customer support capabilities include in-house metallurgy, CAD, FEA, and a field sales/engineering organization. Their plants are also certified to either ISO 9000, QS-9000, or TS 16949 standards.
MWI’s experience ranges across these industries:
- Agriculture

- Auto Racing
- Automotive
- Aviation and Aerospace
- Electronics and Computers
- Electrical Equipment
- Energy
- Hand and Power Tools
- Heavy Truck
- Medical Devices and Equipment
- Off Road Machinery
- Outdoor Power Equipments
- Retail Display Fixtures
- Telecommunications
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