- 3M
- A.W. Chesterton Co.
- Aegion Coating Services (also operates through subsidiary Bayou Coating)
- AkzoNobel NV
- Al Qahtani Pipe Coating Industries
- Allan Edwards Inc.
- Arabian Pipe Coating Co. (APCO)
- BASF SE
- Bauhuis BV
- Borusan Mannesmann
- Bredero Shaw Ltd
- BSR Coatings
- Celanese Corporation
- Corinth Pipeworks (Cenergy Holdings SA)
- DuPont
- Dura-Bond (DBB Acquisition LLC)
- Mutares AG
- GBA Products Co. Ltd
- Hempel Coatings
- Jotun
- Lyondellbasell Industries Holdings BV
- Perma-Pipe Inc.
- PPG Industries Inc.
- Shaic International Co.
- Shawcor Ltd
- The Sherwin-Williams Company (Valspar)
- Tenaris SA
- Wasco Energy Group of Companies