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YIS/Cowden Group, Inc. - Industrial Calibration, Police Speed Timing, and Engineering Services. V-SPEC, VASCAR, TRACKER, ENRADD, ESP, SPEEDCHEK, SPEEDOMETERS, RADAR and STOP WATCHES.

YIS and Three Mile Island - what is the connection?
When Three Mile Island needed calibration services they came to YIS, see the whole story here.



Phone 570-494-1150
Fax 570-494-1021