| Bodmin Blocks Ltd - Resugga Green Lane - PL26 8YR |
| Cornwall Concrete Pumping - Lucknow/Bowling Green - PL26 8RN |
| Downderry Group Ltd - Unit 15 Beeching Park Kelly Bray - PL17 8QS |
| Hanson Aggregates - Herdbury Quarry - EX23 9LD |
| Hanson Aggregates - Gwithian Quarry - TR27 5ED |
| Hanson Premix - Herdbury Quarry - EX23 9LD |
| Hanson Premix - Hingston Down Quarry - PL18 9AU |
| Hanson Premix - Lean Quarry - PL14 3QD |
| Hanson Premix - Castle-an-Dinas Quarry - TR20 8AG |
| Hanson Premix - Chywoone Quarry - TR10 9AF |
| Ladds Concrete Products - Wilson Way - TR15 3RY |
| RMC Readymix - Lucknow Road South - PL31 1DR |
| Sands & Gravels - Brims Park - PL31 2DZ |
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