| 1936 | Qld Forestry Dept issued a sawmill licence to EH Gray |
| 1939 | Upgraded and rebuilt sawmill closer to the sugar mill tram line |
| 1941 | Brownsey and Downs arrived with bullock teams to haul logs from Mt Pluto |
| 1942 | Purchased sawmill licence held by Barr of Cannonvale |
| 1942 | Allied Works Commission impressed and removed the sawmill to Cape York and EH Gray was requisitioned to Jacky Jacky (Bamaga) to operate the sawmill during WWII |
| 1946 | New mill constructed in Mann Street Proserpine |
| 1951 | Purchase of Dibbens mill at Brandy Creek |
| 1954-63 | Business operated by EN Woodman and Co of Mackay |
| 1964 | EJ Gray rejoins his father in the business |
| 1965 | Acquisition of Mackay Lumber Company |
| 1980 | Overhaul of the mill resulting in the most modern and efficient mill in North Queensland |
| 1980s | End of rainforest logging in the Whitsundays; Jeanette Gray joins the business |
| 1991 | Building of mill in Charters Towers – operated for 13 years before being destroyed by fire |
| 1993 | Started exporting to New Zealand, the Pacific Islands and Japan; working with Bill McPhee from the Australian Heavy Hardwood Company |
| 2004 | Started importing timber from PNG, the Solomon Islands and the South Pacific |
| 2005 | Extended the Timber Truss Plant to construct larger trusses for new homes |