Header Die & Tool Inc.
A manufacturer of carbide and steel heading dies, wire and conventional EDM, Torx, Strux, and Taptite tooling for the fastener, rivet, bearing, aerospace, and nut and bolt industries.
http://www.header.com

Tamper Pruf Screws
Tamper-Pruf Screws is the industry leader in Security Fasteners and tamper proof screws, hex sockets, drilled spanners, camcrete and Torx tamper resistant fasteners - the largest distributor and manufacturer - with guaranteed next-day delivery.
http://www.tamper-pruf-screws.com

Vista Corporation of Virginia
Remanufactures of GE Power Assemblies, Governors, Cam Journals, V1/V2 Valves, and Torxvalves for locomotive engines.
http://www.vistacorpofva.com