- Aggregate Industries UK Ltd
- BASF SE
- Boral Limited
- Buzzi Unicem SpA
- CEMEX SAB de CV
- CTS Cement
- EMTEK Ltd
- Fosroc Inc.
- Instarmac Group PLC
- Lafarge Holcim
- Perimeter Concrete Ltd
- Short Load Concrete Inc.
- Sika Corporation
- Tarmac
- Westbuild Group