John Sisk establishes his building business in 1859, the same year he married Kate Burke.
The first major public building is completed by John Sisk at Parish Church, Castleisland, Co. Kerry.
John Valentine Sisk starts his own building business but rejoins his father in 1907, hence the company name John Sisk & Son. On his father's death, John Valentine Sisk becomes the sole owner.
John Gerard Sisk joins the company after receiving a degree in Civil Engineering from University College, Cork.
John Sisk & Son build the Ministry of Industry and Commerce, Dublin, first government office building of the Free State.
Sisk setup Joint Venture company with the Dutch company Hollandsche Beton Maatschappij to build Wexford Bridge. The new company is known as Ascon and remains a joint venture for 33 years.
Sisk workers stand on scaffolding at the Liberty Hall site overlooking O'Connell Bridge, Dublin.
The iconic Central Bank on Dame Street, Dublin is completed by Sisk.
In the UK, Sisk is contracted to build the first National Lottery-funded project, The American Air Museum, in Duxford.
Sisk meets with Johnson & Johnson for the first time and the first project we completed for them was the Vistakon contact lens plant in Limerick.
The reconfiguration of Wembley Arena, London is completed by Sisk.
Four projects for the London Olympics, including the award-winning shooting venues, are completed by Sisk. These are later transported and rebuilt by Sisk for the 2014 Commonwealth Games in Glasgow.
Tunnel works on Crossrail in London is completed by Dragados Sisk Joint Venture (DSJV).
John Sisk & Son celebrates 160 years in business.
The restoration of Avondale House and Forest Park in Co. Wicklow is completed by Sisk.
We move to our new home, a state of-the-art retrofit building in Citywest Campus, Dublin.
