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

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/

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 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/

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

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

Gear Cutting Co. Ltd
gear cutting and gear manufacturing in the uk - spur gears, helical gears, bevels, worm wheels, splines & power transmission
http://www.gearcutting.com