American Chamber of Commerce in Slovenia – AmCham Slovenia is a voluntary nonprofit organization. It was founded in 1999 on the initiative of the following companies: Microsoft d.o.o., Src informatika d.o.o., Sava Tires d.o.o., Merck Sharp & Dohme Idea Incorporation, Partnair Aviation Services, RFR - Ernst & Young Revisional Company d.o.o., McDonald's Slovenija d.o.o., Eurest d.o.o., Hermes Softlab d.d. and Schering Plough Central East AG. AmCham Slovenia has its headquarters in Ljubljana, on Dunajska 156 Street, however it takes an active part throughout the entire region of the Republic of Slovenia. Momentarily there are 230 corporative members. Its whole activity is financed from the membership fee and sponsorship resources.