Phoenix Contact GmbH

Phoenix Precision Technologies Corporation

Phontonic Technologies Pty Ltd

Phosistor Technologies, Inc.

Photintech Inc.

Photon X, LLC

Photon-X, Inc

Photon-X, Inc.

PhotonAge, Inc.

Photonami Inc.

Photonic Concepts, Inc.

Photonic Manufacturing Service Ltd.

Photonic Optische Gerate Ges.m.b.H. & Co. KG

Photonic Packaging Technologies, Inc.

Photonics Concepts Pte. Ltd.

Photonics Manufacturing Service Ltd.

Photonics On-Fiber Devices, Inc.

Photonics Research Incorporated

Photonics Research Ontario

Photonport Technologies, Inc.