Charmilles - http://www.charmillesus.com 

South Bend Controls - http://www.sbcontrols.com 

Leybold Vacuum Products - http://www.leyboldvacuum.com/ 

Parker Hannifin - http://www.parker.com/ 

Cadillac Gage / HR Textron - http://www.hrtextron.com/ 

FN Manufacturing - http://www.fnmfg.com/ 

Pemco Die Casting - http://www.jemerson.com/ 

ElectroVoice - http://www.electrovoice.com/