Piedek Technical Laboratory

Piedek Technical Laboratory & Quark Crystal Technical Laboratory

Piegendorfer Johann

Pierret Robert F.

Piezo Crystal Company, Division of PPA Industries, Inc.

Piezo Electric Products, Inc.

Piezo Sona-Tool Corporation

Piezo Switch Development Inc.

Piezo Technology Inc.

Piezomotor Uppsala AB

PiezoMotor Uppsala AB

Piezomotors Uppsala AB

Pilvelait Bruce

Pisarevsky Jury Vladimirovich

Pitruzzella V. D.

Plecher Klaus

Plotkin Serge

Podgorski Jan

Pohjonen Helena

Polatis Photonics, Inc.