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

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/

C & G Systems
Manufacture of cutting machines suited for a full range of automated cutting requirements using either oxy-fuel or plasma apparatus.
http://www.cgsystems.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/

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/

Pennoyer-Dodge Co.
Manufacture, recondition, and calibration of thread rings, thread plugs, and cylindrical gages. Custom Go and Not Go thread gauges and functional gaging.
http://www.pdgage.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/

Victor Equipment Company
Thermadyne - Manufacturer of welding, cutting, safety, and wear resistance products. Thermadyne is headquarted in St. Louis, Missouri, and has operations throughout Europe, Asia, and Australia.
http://www.victorequip.com/

Sanbang Thread Industry Co., Ltd
Polyester sewing thread and rayon embroidery thread. Also, suppliers of zippers, buttons and sewing kits.
http://www.sewing-thread.com/

Thread & Gage Co., Inc.
Precision thread grinding services
http://www.threadgageco.com