Hitachi Semiconductor  

Manufacturer 

 US 

US

408-433-1990 

 Altek Industries  

Manufacturer 

 US 

US

716-349-3500 

http://www.altekcalibrators.com/ 

 Simpson Electric  

Manufacturer 

 US 

US

847-697-2260 

http://www.simpsonelectric.com/ 

 Amprobe  

Manufacturer 

 US 

US

954-499-5400 

http://www.amprobe.com/cgi-bin/pdc/site.cgi?fn=country 

 Fluke  

Manufacturer 

 US 

US

425-347-6100 

http://us.fluke.com/ 

 Laurel Electronics, Inc.  

Manufacturer 

 US 

US

714-434-6131 

http://www.laurels.com/ 

 Aemc Instruments/cchauvin Arnoux, Inc.  

Manufacturer 

 US 

US

617-451-0227 

http://www.aemc.com/