Cisthe Affutage
Cisthe specializes in the sharpening of micro-drills for the printed circuits, from diameter Ø 0.20 mm to diameter 6.50 mm. Cisthe is the only French resharpener certified by HP TEC , the first European and third world manufacturer of PCB tools.
http://www.cisthe.com/us/index.htm

Apex Machine Products, Inc.
Apex Machine Products, Inc. is a contract manufacturer (screw machine job shop) of precision automatic screw machine and CNC turned parts including machined bushings, spacers, and pins
http://apexmachineproducts.com

Alco Spring Industries, Inc.
Welcome to Alcospring.com. ALCO Spring Industries is the world's leading manufacturer of hot wound coiled springs for transportation, industrial and government applications.
http://www.alcospring.com/

North American Drillers
Large diameter shaft drilling for the mining and civil markets as well as small diameter boreholes, directional drilling, mine dewatering, vertical tubine and submersible pump sales
http://www.nadrillers.com

The degree-diameter problem for graphs
Tables of largest known degree-diameter graphs and related problems.
http://maite71.upc.es/grup_de_grafs/table_g.html

Northwest Pipe Company

http://www.nwpipe.com/

Degree-Diameter Table for Graphs
With references and further links.
http://maite71.upc.es/grup_de_grafs/grafs/taula_delta_d.html

O. W. Landergren
Spun aluminium toroids, up to 52" in diameter.
http://www.owlandergren.com/

Tompkins Brothers Co., Inc
Tompkins SRM, LLC.
http://www.tompkinsbros.com/

AWG - HwB
The Hardware Handbook AWG wire table as well as diameter, area and resistor graphs.
http://www.hardwarebook.net/table/AWG.html