United Nations Conference on Trade and Development (UNCTAD) ranks the largest non-financial Transnational Corporations (TNCs) by their foreign assets and presents data on assets, sales and employment in three categories:  the largest worldwide, the largest from developing countries and the largest from the economies in transition in Eastern Europe. The same ranking, together with an analysis of the relevance of these TNCs in the world economy, is included in the various issues of the World Investment Report. Documents are available for download in various formats. An archive of reports from previous years dating to 1991 is also available by clicking the "WIR Series" link on the upper right-hand corner of the page.