Key Players
- The Vanguard Group
- Acoustiblok
- Armstrong World Industries
- BASF
- CSR Corporation Limited
- Eckel Industries
- Honeywell
- IAC Acoustics
- Kinetics Noise Control Inc
- Noise Barriers
- Owens Corning
- PolyOne Corporation
- Rockwool International A/S
- Wendel
- Trelleborg AB
