Best S.p.A.

Broan-NuTone LLC

Broan-NuTone Canada Inc.

Broan-NuTone Storage Solutions LP

Venmar Ventilation Inc.

Zephyr Ventilation, LLC

Aigis Mechtronics, Inc.

ELAN Home Systems, L.L.C.

Ergotron, Inc.

Gefen, LLC

Gates That Open, L.L.C.

HomeLogic Division of Elan Home Systems, L.L.C.

Linear LLC

LiteTouch, Inc.

Magenta Research Ltd.

Niles Audio Corporation

OmniMount Systems, Inc.

Operator Specialty Company, Inc.

Panamax LLC

Secure Wireless, Inc.

SpeakerCraft, LLC

Sunfire Division of Elan Home Systems, L.L.C.

Xantech LLC

Nordyne LLC

NORDYNE International, Inc.

Eaton-Williams Group Limited

Governair LLC

Huntair, Inc.

Mammoth, Inc.

Temtrol LLC

Venmar CES, Inc.

Ventrol Air Handling Systems Inc.