- Hanson Cement - Produces aggregates (crushed rock, sand and gravel), ready-mixed and precast concrete, asphalt and cement-related materials.
- Holcim - Suppliers of cement and aggregates (crushed stone, sand and gravel) as well as further activities such as ready-mix concrete.
- Holcim (Canada) Inc - A supplier of cement, concrete, and aggregates.
- Portland Cement Association - The Portland Cement Association represents cement companies in the United States and Canada.
- Slag Cement Association - An organization of companies who ship slag cement in the United States.
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