Belfast brothers Kevin (65) and Michael (60) Lagan built one of Northern Ireland's biggest construction empires, specialising in building airports around the world.
It also branched out into quarrying, cement, housebuilding and roads. Like others in the industry, it took a hammering in the crash and assets were divided up after a family row. At one stage the business was valued at close to €450m. The construction arm had sales up €267m last year but margins are tight.