1. Acoustical Solutions
LLC
2. Acoustical Surfaces Inc.
3. Amcraft Manufacturing Inc.
4. Audimute.com
5. Ecotone Systems Pvt. Ltd.
6. Flexshield Group Pty Ltd.
7. Great Lakes Textiles
8. HOFA GmbH
9. Kinetics Noise Control Inc.
10. Lantal Textiles AG
11. Quiet Curtains
12. Residential Acoustics
LLC
13. Rite-Hite Holding Corporation
14. Sopers
15. Steel Guard Safety Corp.
16. ZAK Acoustics Pvt. Ltd.