- ?Kaimann GmbH
- ARMACELL LLC
- BASF SE
- Covestro AG
- Frost King Weatherization Products / Thermwell Products Co. Inc
- Huamei
- Huntsman International LLC
- Illinois Tool Works Inc.
- ISOCLIMA S.p.A.
- Johns Manville. A Berkshire Hathaway Company
- Kingspan Group
- Knauf Insulation
- L’ISOLANTE K-FLEX S.p.A.
- NMC SA
- Nomaco
- ODE Insulation
- Owens Corning
- Paroc Group
- ROCKWOOL International A/S
- Saint-Gobain
- Wincell Insulation Co.Ltd.