inactivebranchPHILADELPHIA QUARTZ COMPANY
(Kansas (US), SOUTHPOINT CORPORATE HDQTRS PO BOX 840, VALLEY FORGE, PA 194820840)
inactivebranchPQ CORPORATION
(Kansas (US), Joseph Koscinski - 300 Lindenwood Drive Valleybrooke Corporate Center, Valley Forge, PA 19355)
Previously/Alternatively known as PHILADELPHIA QUARTZ COMPANY