Representatives of 21 Bulgarian construction companies are set to stage a new protest rally…at the US military training ground in Novo Selo over unpaid work wages. The protest will be a replay of a rally they staged a week ago…The companies are still waiting to be paid BGN 3.8 M for construction works they have completed as building contractors…[A] company from the…city of Burgas…is owed BGN 6 M by the German building giant “Bilfinger Berger.”