Specialty spring, fastener, and precision machined parts manufacturer.

MW Industries, Inc. (MWI) is comprised of 18 locations and is headquartered in Rosemont, Illinois. It is the largest and most diversified specialty spring and...
See More fastener manufacturer in the United States. Through decades of growth, innovation and dedication, MWI is a world-class supplier of highly engineered springs, specialty fasteners, machined parts and other precision components to more than 23,000 customers in over 35 countries.

We provide solutions to a wide range of markets including: Aerospace, Agriculture/Construction, Automotive, Consumer Products & Tools, Energy/Gas/Oil, Heavy Truck, Industrial, Medical, Military, Motorsports/Recreation, Transit, and Valves.

It has been our goal to deliver the highest quality, most technologically innovative, and durable products in the marketplace. MWI is committed to excellence in quality at each phase of the product life cycle — from design and engineering to manufacturing — and in every interaction with our customers.

The MWI family of companies includes:
Accurate Screw Machine, Atlantic Spring, Automatic Spring Coiling, Capital Spring, Century Spring Corporation, Economy Spring, Engineered Spring Products, Helical Products, Hi-Performance Fastening Systems, Hyperco, Maryland Precision Spring, Matthew Warren Spring, Maudlin Products, Mohawk Spring, Pontotoc Spring, RAF Electronic Hardware, Rumco Fastener, and Springmasters.

Certifications and registrations include:
AS9100; ISO-9001; ISO/TS16949; QS-9000; ITAR; DFARS; REACH; RoHS; Mil-I-45208A; Mil-Std-45662; API 14 A+D; ANSI/ASME SPPE-1; QSLM; JCP; FDA Registered Facility ; ISO 8 Class 100,000 Certified Cleanroom

Products:
Custom & Stock Springs (Compression, Extension, Torsion)
Disc Springs & Belleville Washers
Constant Force Springs
Fasteners
Hot Wound Springs
Machined Parts
Machined Springs
Couplings
Shims
Seal Springs
Retaining Rings
Metal Stampings
Wire Forms
Medical Components