Spring Dynamics - Almont, MI (Serving North Carolina)
Manufacturer, Custom Manufacturer
TS/ISO 16949 certified manufacturer  All material sizes.  Prototype & production. CNC technology used to produce round wire springs to exact dimensional requirements.  Tapered, open hook, closed hook.  Heat treat, ID, coating available.  Design & engineering services available.
www.springdynamics.com/products

Southern Spring & Stamping, Inc. - Locations
Custom Manufacturer
ISO 9001:2008 certified custom manufacturer of extension springs. Capable of producing springs in wire sizes ranging from .006 through .472 in. with various end styles available, including basic hook & loop types such as swivel & extension hooks. Special packaging & color coding options available. Industries served include aerospace, amusement park, security, automotive, communication, electronics & medical.
southernspring.rtrk.com/?scid=2371062&rl_al...

Assembly Fasteners, Inc. (AFI) - Locations
Distributor, Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified distributor of springs including compression, extension, flat, & gas springs. Applications of springs include cell phones, electronics, sensitive, instrumentation devices, clothes pins, clipboards, swing-down tailgates & garage doors.
Brand Names: Lee Spring
www.afi.cc/line-card.html

Fastenal - Locations
Distributor, Custom Manufacturer
ISO 9001:2000 & 9003 certified worldwide distributor of extension springs. Specifications include outer dia. ranging from 0.140 in. to 1.125 in., wire dia. ranging from 0.015 in. to 0.120 in., length ranging from 1.125 in. to 7.5 in., zinc finish, hook or loop end type & load ranging from 0.27 lbs. to 40.90 lbs. Services include bandsaw welding, custom manufacturing, packaging, engineering, hose crimping, materials management, chemical & mechanical testing, calibration, tool & hoist repairing, tool & cutter grinding & metal cutting.
www.fastenal.com/web/products/_/Navigation?...

Lowes Home Improvement Warehouse - North Wilkesboro, NC
Distributor, Custom Manufacturer
Distributor Of Builders' Products, Electrical & Janitorial Supplies, Hardware, Lumber,Access Doors, Paints

DIY Garage Door Parts - Stony Point, NC
Distributor
Distributor of garage door replacement parts including extension springs.

Lee Spring Co. - Greensboro, NC
Manufacturer, Custom Manufacturer
Extension springs. Manufacturer of stock & custom compression springs, torsion springs, die springs, fourslide products, stampings, wireforms & belleville washers. All sizes, shapes; plated, stainless steel. Over 10,000 different stock springs available for delivery.

Newcomb Spring of Carolina - Charlotte, NC
Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of extension, helical & coil springs. Specifications of springs include size ranging from 0.005 in. to 0.468 in. Springs are available in round, rectangular & square shapes. Features include threaded inserts, loops, hooks, expanded & reduced eyes & rectangular & teardrop-shaped ends. Standard manufacturing materials include spring steel, stainless steel, high & low carbon steel, nickel plated carbon steel, stainless alloys, non-ferrous metals, Elgiloy®, Hastelloy®, Monel®, Inconel® & titanium.

Capital Components - High Point, NC
Distributor, Custom Manufacturer
Distributor Of Production Fasteners. Available In All Materials; In Inch & Metric To AN-MS-MIL & All Industry Specs. Custom Capabilities For Stamped Parts, Screw Machine Parts, Wire Forms, & Cold Formed Parts

NC Coil, Inc. - Winston-Salem, NC
Manufacturer
Manufacturer of custom springs, wire forms & metal products.

Southern Precision Spring Co., Inc. - Charlotte, NC
Manufacturer
Manufacturer Of Coil Springs

Baumann Springs Ltd. - Charlotte, NC
Manufacturer, Custom Manufacturer
Worldwide QS-9000, ISO 9001:2000 & ISO/TS16949:2002 certified manufacturer of precision custom springs: compression, cold-formed, extension, torsion, hot-formed, spiral, ring, & micro. Services include deburring, shot & glass bead peening, hardening/tempering, stress relieving, surface & powder coating, & packing.

Sunbelt Spring & Stamping Corp. - Rosman, NC
Manufacturer, Custom Manufacturer, Service Company
Manufacturer

Clifton Technical Co. - Lincolnton, NC
Manufacturer, Custom Manufacturer, Service Company
Manufacturer Of Screw Machine Products; Precision Machine Work Service

Boone Parts & Service Co. - Charlotte, NC
Distributor, Service Company
Distributor of truck equip. & parts.