Seventy employees at the Qualtron factory in Derrybeg, Co Donegal, which manufactures telecommunications tables, are to be laid off on Friday, while 80 more may be put on short time.
At the Spleodar electronics plant at Falcarragh, Co Donegal, up to 30 of the 50 workers are to be laid off due to a drop in demand for the company's electric fencing products.