| 1888 | Beginning of the Company's involvement in the New Zealand building industry, when the Milburn Lime and Cement Company was incorporated in Otago. |
| 1958 | New Zealand Cement Company commenced operating a new cement plant at Westport to meet growing demand for cement. |
| 1963 | Milburn and New Zealand Cement Company merged to form New Zealand Cement Holding Ltd. |
| 1971 | Holcim (then known as Holderbank), a Swiss company, bought 42% of New Zealand Cement Holdings Ltd. |
| 1980s | Company diversified into concrete operations, including a JV with Allied Concrete. |
| 1988 | Company celebrated 100 years of operations and changed its name to Milburn New Zealand Ltd |
| 1999 | Holcim moved to 100% ownership. |
| 2002 | The name Holcim (New Zealand) Ltd was adopted and the company rebranded throughout New Zealand. |
