Severely affected by the economic crisis construction companies in Northern Ireland seek work in Eastern Europe, writes the information site belfasttelegraph.com, cited by lev.bg.A group of Irish companies starts today a one week trade mission in Bulgaria and Romania. The group includes 25 companies which have focused their attention on the developing markets in Eastern Europe. Part of them deal with trade and recycling of materials - two key industrial sectors in Northern Ireland. Most of the companies visit Bulgaria and Romania for the first time, notes the site.