| 1979 |
Sedgman founded by John Sedgman |
| 1982 |
First significant projects undertaken at Ulan Coal Mines, Rhondda Colliery and Invincible CHPP |
| 1984 |
First large CHPP designs: Tarong Coal Mines CHPP and Riverside Coal Mine CHPP |
| 1991 |
John Sedgman passed away. Sedgman acquired by Russell Kempnich, Rod Lamb and Tom Meakin |
| 1992-95 |
First International projects: Indonesia, Colombia, New Zealand |
| 1998-99 |
First design, construct and operations contract: Coppabella CHPP |
| 2000 |
First build, own and operate contract: Blair Athol Coal CHPP |
| 2001 |
Thiess Pty Ltd acquires 50% interest in Sedgman Pty Ltd |
| 2002 |
Thiess Sedgman Joint Venture (TSJV) formed |
| 2005 |
First African business initiative: Co-operation agreement signed with ELB Engineering Services |
| 2005 |
South American presence established with office opening in Santiago, Chile |
| 2006 |
Sedgman lists on the Australian Stock Exchange (ASX) under the symbol SDM |
| 2006 |
Expansion into the metalliferous sector with the acquisition of Pac-Rim |
| 2007 |
Further expansion with the acquisition of Intermet Engineering |
| 2007 |
First major overseas coal project: $20M contract for Moatize CHPP in Mozambique, Africa |
| 2008 |
Offices opened in Johannesburg, South Africa and Beijing, China |
| 2009 |
$20 million EPCM contract for UHG CHPP in Mongolia |
| 2009 |
$23 million contract for Benga CHPP in Africa |
| 2009 |
$56 million contract for Bocamina CHP in South America |
| 2009 |
$85 million For ATCOM CHPP upgrade in Africa |
| 2010 |
Export excellence recognised with Australian Export Awards win in Large Services Category |
| 2010 |
Sedgman achieves ASX 300 listing |
| 2011 |
Offices opened in Ulaanbaatar, Mongolia and Shanghai, China |
| 2011 |
Four year agreement signed to be a preferred supplier for the BHP Billiton Project Hub |
| 2011 |
Sedgman named Prime Minister's Exporter of the Year at the Australian Export Awards |
| 2012 |
Sedgman forges strategic partnership with China's Dadi Engineering |
| 2012 |
Sedgman acquires Queensland's Yeats Consulting Engineers, re-branded Sedgman Yeats |
| 2012 |
Engineers Australia's Engineering Excellence Award: SH2 Shift Handover Solution |