Classified by the World Bank as an upper middle-income country, Montenegro is a member of the UN, NATO, the World Trade Organization, the Organization for Security and Co-operation in Europe, the Council of Europe, the Central European Free Trade Agreement and a founding member of the Union for the Mediterranean.Montenegro is also a candidate negotiating to join the European Union.[1][2] This is a list of notable companies in Montenegro, grouped by their Industry Classification Benchmark sector.This list includes notable companies with primary headquarters located in the country.Organizations which have ceased operations are included and noted as defunct.