Spring Dynamics - Almont, MI
Manufacturer, Custom Manufacturer
TS/ISO 16949 certified manufacturer of counterbalances, spiral, power, clock, extension, compression & torsion springs of all shapes & sizes & from most materials.  Several in-line finishing & secondary processes available.  Full service design & engineering available.
www.springdynamics.com/products

Smalley Steel Ring Co. - Lake Zurich, IL
Manufacturer, Custom Manufacturer
ISO 9001:2008 certified, ISO/TS 16949:2002 certified, AS 9100 certified & ISO 14001:2004 certified manufacturer of standard & custom special wave springs including short run & prototype springs. Crest to crest (plain end/square shim end), single turn, bearing preload, nested, interlaced & expander wave springs are available. Range in standard dia. from 3/8 in. to 16 in. Wave springs can be customized for dia. ranging from 0.200 in. to 90 in. Available with 1 year limited warranty.
Brand Names: Circular-Grain, Crest-To-Crest, Wavo
www.smalley.com/wave_springs/about_springs....

Master Spring & Wire Form Co. - River Grove, IL
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified manufacturer of custom precision coil springs with a wire diameter of 0.008 in. to 0.192 in. most materials used. Compression springs in straight cylindrical, conical, barrel, hourglass, ground & not ground. Extension springs with all types of ends including twist, cross center, side loops, extended hooks, swivel hooks, & flat stock hooks. Torsion & double torsion springs with many different end configurations on the legs. Rush service available for delivery in less than 2 weeks.
www.masterspring.com/spring-wire-form-produ...

Stanley Spring & Stamping Corp. - Chicago, IL
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of stock springs for high volume, prototype and short run applications. Various types of springs include extension, leaf, compression, torsion, barrel, battery contact, drawbar and motor springs. Materials worked with include stainless steel, Elgiloy®, copper, brass, bronze and Inconel®. Springs are available in zinc, galvanized, black oxide, phosphate, annealed and other finishes. Springs are also available in concave and convex configurations and in open, closed, ground and ungrounded end types with wire dia. up to 0.207 in. and +/-0.001 in. tolerance. Additional services include assembly, engineering, bagging, sorting and packaging. Appliance, electrical product, outdoor power equipment, lighting and leisure gear industries served. PMA, ASTM and DIN certified. On-time delivery.
www.stanleyspring.com/custom-spring-fabrica...

Murphy & Read Spring Mfg. Co., Inc. - Palmyra, NJ
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified. Manufacturer of stock and custom prototype springs with 0.005 in. to 1.75 in. wire sizes. Various materials include music and oil temper wire, chrome vanadium, chrome silicone, stainless steel, phosphor bronze, beryllium copper, brass, copper clad, Monel®, Inconel®, Hastelloy® and Elgiloy®. Capabilities include flat ends, ground flat ends, open flat ends, spring designing, machining, stamping and turning. Industries served include medical, hardware, automotive, household tools and appliance, aerospace, valves, computer peripherals, electric controls and assemblies, military and OEM.
www.mrspring.com/capabilities.html

AARD Spring & Stamping - Temecula, CA
Custom Manufacturer
ISO 9001:2008 registered custom manufacturer of prototype, low and high volume and short and long run springs with left and right helix. Types include compression, extension, torsion, barrel, progressive rate, tapered and constant force springs. Alloy steel, beryllium copper, brass, bronze, carbon steel, chrome silicone, copper, Hastelloy®, Inconel®, Monel®, music wire and stainless steel 300 materials worked. Springs are available with 0.008 in. to 0.531 in. dia. Anodizing, black oxide, oil, passivation, phosphate, powder coated, nickel, shot peen, tumble deburring and zinc finishes available. Capabilities include coiling, CNC machining, grinding, design and stress relieving. Agricultural, automotive, computer, medical, electronic, energy, food processing, marine industries served. Meets ANSI, ASME and ASTM standards. RoHS compliant. Made in USA.
www.aard.com/precision-spring-manufacturing...

Prototype Springs Products
	Custom Precision Spring Manufacturing Services

Pro-Tech Metal Specialties, Inc. - Elmhurst, IL
Custom Manufacturer
ISO 9001:2008 certified manufacturer of prototype springs. Capabilities include CNC machining, EDM wire cutting, turret punch pressing & CNC forming as well as resistance & fusion welding, grinding & polishing. Laser cutting is available for materials up to 4 ft. x 4 ft. with thicknesses of 3/8 in.
www.ptechmetal.com/

James Spring & Wire Co. - Frazer, PA
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified. Custom manufacturer of spring assemblies including prototype springs in 0.006 in. to 0.250 in. wire dia. sizes. Materials include beryllium copper, chrome silicon, chrome vanadium, hard drawn wire, Hastelloy®, Inconel®, Monel®, phosphor bronze, stainless steel & titanium. Industries served include agricultural, appliance, automotive, construction, electrical/electronic, fasteners, HVAC, medical devices, office equipment, petroleum, pharmaceutical, injection molding, sports equipment & transportation.
www.jamesspring.com/

Prototype Springs Capabilities
	Torsion Springs Compression Springs Extension Springs

Maverick Spring Makers, Ltd. - Brantford, ON
Manufacturer
ISO/TS 16949:2009 certified manufacturer of custom & special springs including precision & prototype springs. Types of springs include compression, extension & torsion springs. Springs are made from .006 in. to .125 in. wire & resist pulling, turning, twisting & pushing force.
maverickspring.rtrk.com/?scid=2395920&rl_al...

Prototype Springs Capabilities
	Spring Engineering & Design

Quality Tool - Saint Paul, MN
Manufacturer, Custom Manufacturer, Service Company
Lean contract manufacturer of prototype parts including gaskets & springs. Design capabilities include Finite Element Analysis (FEA) services for thermal, fluid flow or stress/strain analysis, CFD, electromechanical design, mechanism design & plastic design. Additional capabilities include metal fabrication, laser cutting, CNC & manual machining, CNC milling, CNC turning, welding, CNC forming, laminating & assembly.
www.qualitytool.com/rapid-prototype-manufac...

Southington Tool & Manufacturing Corp. (STMC) - Plantsville, CT
Manufacturer, Custom Manufacturer, Service Company
Design & manufacturer of compression extensions & torsion springs, wire forms, metal stampings & flat springs, medical device components & related tooling. ISO 13485:2003 ISO 9001:2008 Certified.
www.stmc.com/springs.html

Metal Works Corp. - Baton Rouge, LA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of stainless steel small springs also prototype springs are available. Coils include helical, tapered & flat spiral, reciprocating (serpentine), pancake, nested, half-pipe, single & multiple pass, tube bundles & ASME certified pipe coils to 8 in. O.D. Coils use includes heating & cooling systems & other commercial applications. Prototype & production runs are available.
www.pipebends.com/springs.html

Springfield Spring - East Longmeadow, MA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of springs for prototype applications. Types include extension, torsion, magazine and compression springs. Various materials include stainless steel, phosphor bronze, beryllium copper, brass and chrome vanadium. Springs are available in various finishes including black oxide, nickel plating, manganese phosphate, powder coated, tin and zinc. Various industries served include computer hardware, aerospace, automotive, surgical instruments, toys, houseware, timing devices, photographic, instrumentation and lighting. ANAB accredited. Meets ANSI/ASQ, ASTM and SAE standards. DFARS, RoHS and REACH compliant. ITAR registered. NMSDC, SBA and SDB/MBE certified. Vendor managed inventory programs available.
www.springfieldspring.com/index.html

Jackson Spring - Elk Grove Village, IL
Custom Manufacturer, Service Company
ISO 9001:2008 certified manufacturer of precision springs, wire forms and complex parts. Types of springs include compression, coil, custom, extension, torsion, & magazine springs. Materials include, stainless steel, music wire, carbon steel, chrome silicon & exotic alloys. Industries serving include, automotive, appliance, firearm, furniture, hardware, healthcare, lawn and garden, military & recreation.
www.jacksonspring.com/Products.html

Maudlin & Son Mfg. Co., Inc. - Kemah, TX
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of prototype springs made from various metallic & non-metallic materials used in aircraft, commercial, industrial, & medical applications. Coil springs available in a variety of custom designed sizes, shapes, & tolerances
maudlinproducts.rtrk.com/?scid=2071083&rl_a...

Industrial Gas Springs, Inc. - Exton, PA
Manufacturer, Custom Manufacturer
Manufacturer of small, prototype & precision gas springs. Compression, locking, tension, stainless steel, combination & custom gas springs are also available. Gas springs are available with up to 30 in. stroke & 2 lbs. to 2,200 lbs. force.
www.indgassprings.com/gas-springs.html

Spring Manufacturing Corp. - Tewksbury, MA
Custom Manufacturer
Custom manufacturer of precision springs including short run & prototype springs. Types include flat form springs, wire form springs, compression springs, extension springs, torsion springs & wire rings. Materials used include music wire, brass, bronze, beryllium copper, stainless steels, high carbon steels, Inconel® alloys, Hastelloy®, titanium & exotic metals. Springs can be customized as per material, finish, ID, OD, loads, squareness, frequency of extension, operating temperatures, maximum extended lengths, relative loop positions, direction of helix, end types & end use applications.
www.springmancorp.com/

Gifford Spring - Garland, TX
Manufacturer, Custom Manufacturer
Manufacturer of prototype springs & special springs. Types include flat springs. Can be customized based on specifications including outer dia., inner dia., loads, relevant loop position, direction of helix, types of ends, wire dia., body length, initial tension, type of material used & number of active coils. Capabilities include hand winding or hand forming, automatic CNC machining & hand operated or automatic grinding.
www.giffordspring.com/Wire%20Forms%20Descri...

Tricor Industries, Inc - King Of Prussia, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of prototype springs made from brass, music wire, hard drawn, oil temper, chrome vanadium & silicon, stainless steel, Inconel®, Monel®, Hastelloy®, Elgiloy®, titanium, phosphor bronze, beryllium copper, tungsten & Rene 41® materials.
www.tricorindustries.com/products.html

Gambit Corporation - Rohnert Park, CA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of prototype springs for short run applications. Various materials include platinum, silver alloy, tungsten, nickel, beryllium copper, stainless steel, basic steel & wire & cold rolled strip. Capabilities include stamping up to 1 in. width & feed length up to 9 in. with 0.001 in. to 0.060 in. thickness, engineering support, rapid prototyping, de-burring, heat-treating, packaging, light assembly & inspection. Suitable for semiconductor, medical, electronics & computer industries. JIT delivery. RoHS & DFARS compliant.
www.gambitcorp.com/index.html

Associated Spring, Barnes Group, Inc. - Milwaukee, WI
Custom Manufacturer, Service Company
ISO 9001:2008, ISO 14001:2004, QS 9000/TS 16949:2009, AS 9100B & AS 9120 certified. Worldwide custom manufacturer of springs for prototype & short run production. Types of springs include compression, extension, torsion & torque coil, automotive/engine valve, transmission, flat spiral, power, recoil, clutch, conical, suspension & mounting springs. Fabricated in different metals such as music wire, steel, stainless steel, copper, chrome vanadium/silicon, phosphor bronze, brass & exotic alloys. Capabilities include design engineering, coiling, grinding, shot peening, applications engineering & mechanical testing.
Brand Names: Associated Spring
www.asbg.com/en/springs

Active Wireworks - Bartlett, IL
Custom Manufacturer
Lean manufacturing capable custom manufacturer of high volume, prototype & short run springs. Coined, threaded, pierced & swaged springs can be fabricated. Available in different finishes. Materials used include steel, aluminum, beryllium, brass, cobalt, copper, iron, lead, magnesium, molybdenum, nickel, palladium, tin, tungsten & zinc. Capabilities include four-slide wire forming, bending, CNC wire forming, cutting, straightening & pointing. Additional services include assembly, engineering support, design, maintenance, welding & special packaging. JIT delivery available.
www.activewireworks.com/wire-forming-servic...

A-Laser - Milpitas, CA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of laser cut, flat & prototype springs for medical, automotive, electronics & aerospace applications. Capabilities include laser cutting using UV, IR & NdYag technology, routing, drilling, skiving & depaneling.
alaser.rtrk.com/?scid=1385382&rl_alt=http%2...

Orlando Spring Co. - Los Alamitos, CA
Custom Manufacturer
ISO 9001:2008 certified. Custom manufacturer of metal springs and wire forms, spring display components, and actuators. Secondary services include finishing, coiling, and inspection. Industries served include aerospace, defense and medical.
www.orlandospring.com

Atlantic Precision Spring, Inc. - Bristol, CT
Custom Manufacturer
ISO 9001:2008 certified custom manufacturer of generator & motor brush holder, clutch, phosphor bronze, precision, prototype, short run & special springs in materials including aluminum, high & low carbon steel, stainless steel, beryllium copper, phosphor bronze, brass, nickel, bimetals & precious metals in all grades & tempers. Secondary operations include prototyping, riveting, tapping, spot welding, bending, forming, piercing & packaging services.
www.aps-ct.com/prototype-metal-stamping.php