Arcosa
Leca (Saint-Gobain)
LafargeHolcim
Boral Limited
Cemex
Liapor
Norlite
Charah Solutions
Titan America LLC
STALITE Lightweight Aggregate
Argex
Salt River Materials Group
Utelite Corporation
Mitsui Mining & Smelting
Sumitomo Osaka Cement
Taiheiyo Materials
Ube Industries
Fuyo Perlite Co. Ltd
Laterlite Spa
Alfa Aggregates
Dicalite Europe
Dennert Poraver GmbH