John established his business in 1859, the same year he married Kate Burke.
Parish church Castleisland, Co. Kerry.
The firm's major contracts in the 19th century were churches, banks and hotels. Nenagh Church is the largest of the 21 churches built in this period.
John Valentine Sisk started his own business in 1900, but re-joined his father in 1907, hence the company name John Sisk & Son. On his father's death, John V Sisk becomes the sole owner.
John Gerard Sisk joined the company after receiving a degree in Civil Engineering from University College Cork.
Cork City Hall is opened by President, Eamon de Valera.
John G. Sisk established the Dublin branch, with just his wife Mollie as secretary and cousin Herbert Dennis as foreman.
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 expanded into Africa, working in Zimbabwe, Malawi and Nigeria.
Workers stand on scaffolding at Liberty Hall site overlooking O'Connell Bridge.
George H Sisk becomes the fourth generation to join and eventually lead the business.
Offsite manufactured elements slotting into place in the technically advanced Ballymun housing scheme.
It was the first of four large shopping complexes built in the suburban centres surrounding Dublin from the late 1980's onwards and was for a while the largest shopping centre in Ireland.
With economic difficulties in Ireland John Sisk & Son heads for Germany, after the Berlin Wall comes down.
John Sisk & Son in the UK are first contracted to build the first National Lottery-funded project. The American Air Museum in Duxford was completed in 1991.
Sisk met with Johnson & Johnson for the first time in 1994. The first project Sisk completed was Vistakon in Limerick. We have gone on to complete further projects including, Depuy Synthesis, Janssen and Centocor in Cork.
Sisk completed Blanchardstown Shopping Centre in 1997.
Taking almost a decade to fully complete, the phased redevelopment of Croke Park into a world-class stadium finishes in 2004. It is an asset which the GAA can be justifiably proud of and which has seen concerts, the Special Olympics, rugby and soccer as well as all Gaelic Games.
Sisk completed the reconfiguration of Wembley Arena, London’s primary live music venue, in 2006.
Sisk staff gathered in the Dublin head office at the launch of the 'Building a Business' 150 years of Sisk Group book.
Sisk was selected as the main contractor to in 2007 for the redevelopment of Lansdowne Road, the world's oldest international rugby union stadium.
Sisk completed four projects for the London Olympics including the award winning shooting venues, later to be transported and rebuilt by Sisk for the 2014 Commonwealth Games in Glasgow.
Sisk completed the largest stout brewery in the world at St. James's Gate, Dublin for Diageo.
The main building works of the Mater Hospital commenced in September 2009 and the project was complete in 2014.
Dragados Sisk Joint Venture (DSJV) completes tunnel works on Crossrail in London.
Sisk completed Capital Dock, Ireland's highest residential tower.
John Sisk & Son celebrates 160 years in business.