The big players in the industry who are awash with house planning permissions
Flynn & O'Flaherty (Dublin)
(Permission for 2,390 homes. Work has yet to commence on 1,749)
Owned by Jimmy Flynn and Noel O'Flaherty. Mr Flynn is a native of Longford. In 1999, the 'Longford Leader' named him as one of 12 builders who at the time controlled a combined 7,000 acres of undeveloped land in Dublin that was already zoned for housing.
Crescent Park Properties
(1,654 / 1,569)
Owned by Dublin-based David and Karl Pierce, they are also directors of a company called Mallincross, which has focused on the development of one-off houses in their native home of Howth, as well as the millionaire's row of Abington in Malahide, Co Dublin. David Pierce lives in the expensive enclave.
(2,408 / 1,338)
One of the best-known names in development circles, the company is owned by brothers Joe, Michael and Peter Cosgrave. They started in 1979 with a five-house development in south Dublin. The company was also responsible for high-end developments such as the Sweepstakes in Dublin's Ballsbridge.
(833 / 833)
Garrett Kelleher's Shelbourne Development was behind high-profile plans for the landmark Chicago Spire. The project began, but the global financial collapse dried up funding and the whole scheme was embroiled in legal action. In 2014, Nama appointed receivers to take over assets of almost a dozen companies connected to Mr Kelleher.
(2,063 / 1,291)
One of the most prolific residential builders of the Tiger era, Gannon remains hugely active on the scene. The Roscommon native also once co-owned the K-Club golf resort in Co Kildare. He sold his 49pc stake to partner Michael Smurfit in 2012.
(495 / 495)
Sipter was placed in receivership in 2010. It was part of the Cork-based Fleming Group, and is owned by John Fleming. The Fleming property empire collapsed in 2010 with debts of about €1bn. Once one of Ireland's top builders, and a prominent supporter of Fianna Fáil, Mr Fleming was declared bankrupt in the UK in 2010 and discharged in 2011.
(611 / 447)
Once one of the country's biggest homebuilders, co-founders, Liam Maye died in 2008. Developer Joe O'Reilly is one of the other co-founders. Mr Maye's death prompted a courtroom row over his €400m estate. A company which he co-owned, Crossridge Developments, was responsible for building the Dundrum Town Centre in Dublin. Mr Maye was also from Longford.
(502 / 442)
Owned by the Dublin-based Langan family, patriarch Niall Langan hails from Sligo. The company was active around the capital. One of the firm's development sites is currently up for sale.
(563 / 410)
Viscount is owned by Michael Cotter and his family. The yachtsman also owns Park Developments. His €1m yacht, 'Whisper' has been a feature of racing events around the Caribbean and Mediterranean.
(409 / 409)
The self-styled 'Ronaldo' of Ireland's building trade, Greg Kavanagh (31) is listed as a director of the Kavcre suite of firms. The Wicklow native was also the boss of New Generation Homes. Last year, M&G Investments, owned by insurer Prudential, agreed to pay €150m to buy Mr Kavanagh's interests in New Generation. He kept some development sites in the capital.