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

Praga Tools Limited
PRAGA is one of the leading Machine Tool manufacturing units in India. Established in 1943, Praga's products are well known in the field of Machine Tools.
http://www.pragatools.org

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/

Thread Check, Inc.,
We offer a complete line of precision thread gauges, plain cylindrical gages, patented 3 wire measuring systems, powerful thread engineering software, master discs, gear measuring wires plus more with free technical support.
http://www.threadcheck.com/

WTI Fasteners
UK manufacturer of helical wire thread inserts and thread repair kit tools.
http://www.wireinserts.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/