Orrco
Manufacturer of precision screw machine products up to 4" in diameter. They also produces carbide wear parts and diesel fuel priming pumps.
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http://www.camdevelopment.net/
http://www.camtechindustries.com
http://www.ericksonautomatics.com/
http://www.geocities.com/mercedscrew/
http://www.headerproducts.com/
http://www.high-techmachine.com/
http://www.m-smanufacturing.com/
http://www.NewHampshireMachineProducts.com/
http://www.northeastonmachine.com
http://www.qualityautomatics.com/
http://www.qualityscrewmachine.com/
http://www.ranneyprecision.com
http://www.screwmachineprod.com
http://www.secondaryoperations.com