B & D Thread Rolling Inc.
Offers cold heading as well as thread rolling services. Explains the advantages of thread rolling versus cutting and provides a company history.
http://www.bndthread.com

Central Rolled Thread Die
The Social Media blog is your single destination for updates on the AIM Buddy blog, the AIM Pages blog, the AOL Community Info blog, the Expressions Factory, the Marvelous Mob and the Social Media Mess blog.
http://members.aol.com/centralrtd

Superior Thread Rolling Co.
Superior Thread Rolling Company in Arleta, California, offers the most comprehensive thread-rolling service on the west coast. Superior Thread Rolling also has extensive CNC precision machining capabilities and is ISO 9002 and AS9100 registered.
http://www.superiorthread.com/

Precision Screw Thread Corp.
Thread rolling, CNC thread grinding, CNC machining. Up To 8" Diameter; Lengths To 40 Feet; CAD & Engineering Available.
http://www.precisionscrewthread.com

Leland-Powell Fasteners, Inc.
Suppliers of industry standard and semi-standard parts ranging from hex heads to clevis pins from 3/16" through 5/8" diameter and 5-1/4" in length.
http://www.lelandpowell.com/

Hanson-Whitney Inc.
Specializes in manufacture of standard and customized high speed steel ground thread taps, dies, and thread milling cutters. Also produces selection of tool holders and tool holding systems.
http://www.hansonwhitney.com

Foxton Dies Limited
Manufacturers of tungsten carbide wire drawing dies and associated products including rolls spinner, shaving, shaped dies, press tools, plastic mold tools cutter dies twisting dies drive rolls chain dies clutch dies
http://www.foxtondies.com/

Ideal Thread Gage Manufacturing Co, Inc.
Ideal Gage has been serving the Aerospace Industry for over fifty years with Competitive Pricing on all gages,Free 8 8 9 Thread Engineering Standard Plugs and Many Specials in Stock. High quality gage,aerospace gages,threaded plug gage,ring gage,taperlock thread plug gages,pin gage,plug gage,metric gage,agd style thread ring gages,
http://www.idealgage.com/

Reminc Conti
Licensors of the taptite family of thread rolling screws and bolts, providing assistance to end users and licensed manufacturers.
http://www.taptite.net/

Minnesota Tool and Die Works
Specialist manufacturing of big dies -- up (to 12 feet long) -- complex dies, and custom machinery. High-speed progressive dies and complex metal stamping dies.
http://www.mtdwi.com