its position among the top ten trade partners of Romania. The Netherlands holds the first place in the ranking by country of residence of investors in companies with foreign capital. More than six thousand companies with Dutch capital were registered. Main business fields with high potential for bilateral cooperation are energy and environment, infrastructure development, architecture, industrial subcontracting, agriculture, tourism, information technology and telecommunications. Among the main Dutch investors in Romania are Unilever, ING Group, Philips, Damen Group, Friesland Campina, Heineken, Nutricia, KPMG, Nuon, Wavin, Fokker, and DAF Trucks. From 2014 to 2015, the number of migrant workers from Romania in the Netherlands increased from 6 thousand to 13 thousand. As of 2014, Romanian nationals can work in the Netherlands without work permit restrictions. Agreements Legal framework: 19 April 1994, Bucharest: Governmental Agreement on Mutual Promotion and Protection of Investments (in force since 1 February 1995). 5 March 1998, The Hague: Convention for the Avoidance of Double Taxation and the Prevention of Fiscal Evasion with respect to Taxes on Income and Wealth (in force since 29 July 1999). 5 March 1998: Memorandum of Understanding regarding the Economic Cooperation Programme between the two Governments (in force since 11 August 1998). 25 April 2005, Neumünster Abbey: Treaty of Accession 2005 (effective 1 January 2007). 2008: Memorandum of Understanding regarding water management between Romanian Waters National Administration and Water Administrations Union of the Netherlands. High level visits Netherlands to Romania Royal visits: November 2001: Queen Beatrix of the Netherlands Visits at Prime Minister level: 1994, 2001, 2003 Visits at ministerial level: 30 June 30 - 1 July 2010: visit of the Dutch Minister of Social Affairs, Piet Hein Donner. 27-30 September 2010: economic mission led by the vice-minister for Foreign Trade, Roderick van Schreven. 21 April 2011: visit of the Dutch minister for Infrastructure and Environment Melanie Schultz van Haegen to Galați. The signing of the Memorandum of Understanding on the cooperation between Constanța and Rotterdam harbours. 10 May 2011: bilateral talks on European affairs. Romania to the Netherlands High level visits: 1973: Nicolae Ceaușescu 1998 Visits at Prime Minister level: 1996, 1997, 2002, 2004, 2006, 2016 Visits at ministerial level: 7 December 2010: bilateral talks on consular affairs. 26 April 2011: bilateral talks on European affairs. 6-7 September 2011: visit of the Romanian minister of Justice, Cătălin Predoiu. 15 September 2011: visit of the Romanian minister of Transport and Infrastructure, Anca Boagiu.