DEGESCH is a worldwide leader in the specialized field of stored product pest control. DEGESCH America, Inc. (DAI) was founde ... d in 1977 and is the United States arm of German based Detia Degesch Gmbh. Our corporate headquarters and production facility are situated in the Shenandoah Valley town of Weyers Cave, Virginia. This facility opened on March 15, 1979 and is the only producer of aluminum phosphide (Phostoxin®) and magnesium phosphide (Magtoxin®) fumigants in the United States. read more