Avrio Technology Group Llc

MIDDLETON, Wisconsin, April 14, 2011 - Precision Devices Incorporated (PDI) (www.pdixtal.com), a leading quartz crystal device manufacturer and member of the Avrio Technology Group, LLC (www.avriotechnology.com) team of companies, announced that it has achieved Class H certification, the standard military quality level for reliability designated by MIL-PRF-38534.