• A/D/S

• Americlock

• Architectural Signs & Associates

• Bosch Security Systems, Inc.

• Broan-NuTone Canada

• Broan-NuTone, LLC.

• Caffall Bros. Forest Products, Inc.

• Case Systems, Inc.

• Christoph Paccard Bell Foundry

• Elderhorst Bells

• Industrial Acoustics Co.

• Keates-Geissler Pipe Organs Ltd.

• LSI Corporation of America

• Maas-Rowe Carillons Inc.

• Merrimac Logworks, Inc.

• Miniveil Air Systems

• Perdue Acoustic Mfg.

• Sommers Motor Generator Sales Ltd.

• Wenger Corporation, USA