Key Players
- Boral Limited
- Carmeuse Group
- Cape Lime (Pty) Ltd
- Graymont
- KIMTAS
- Lhoist
- McGean-Rohco Inc
- Mississippi Lime Company
- NIKI Chemical industries
- Nordkalk Corporation
- Omya Australia Pty Ltd
- Pete Lien & Sons
- Sibelco
- USLM
- Unimin Corporation
- United States Lime & Minerals