Founding supporters
The following artists made the renovations and founding of MGLC possible: Dan Allison, Marko Andlovic, Zvest Apollonio, Miroslav Arsić, Todorče Atanasov, Janez Bernik, Janez Boljka, Bogdan Borčić, Lucijan Bratuš (heirs), Jože Ciuha, Boge Dimovski, Vida Fakin, Mitja Ficko, Tomaž Gorjup, Samuel Grajfoner, Milena Gregorčič, Bogdan Grom, Toshihiro Hamano, Franz Hitzer, Goran Horvat, Drago Hrvacki, Jože Horvat Jaki, Danilo Jejčič, Andrej Jemec, Kiar Meško, Zorana de Kide, Janez Knez, Zora Koren Skerk, Bojan Kovačič, Ante Kuduz, Giani Llalloshi, Lojze Logar, Tim Long, Vladimir Makuc, Adriana Maraž, Edo Murtić, Dimče Nikolov, Polde Oblak, Valentin Oman, Freya Payne, Bill Penney, Amalija Perez Molek, Jože Peternelj, Konrad Peternelj, Veno Pilon (heirs), Rainer Plum, Concetto Pozzati, Anton Repnik, Jože Spacal, Lojze Spacal, Ljubomir Stahov, Zora Stančič, Mitja Stanek, Marija Starič Jenko, Gorazd Šefran, Gorazd Šimenko, Miroslav Šutej, Drago Tršar, Marijan Tršar, Max Uhlig, Franco Vecchiet, Vladimir Veličković, Jana Vizjak, Sašo Vrabič, Petar Waldegg, Huiquin Wang, Mehmed Zaimović, Karel Zelenko and Giuseppe Zigaina.
The following organizations made the renovations and founding of MGLC possible: Adria Airways, Color, Elan, Emona, Ferromoto, Gorenje, Chamber of Commerce and Industry of Slovenia, GP Grosuplje, IMP Metall, IMV, Intereuropa, Iskra, Executive Council of the Socialist Republic of Slovenia, Public Warehouses, JUB, Kemija Impex, Kompas, KP Rast, Cultural Community of Slovenia, Lek, Lesnina, LIZ, Cultural Community of Ljubljana, Mercator, Metalka, Moderna galerija, Oprema Kočevje, Petrol, Riko, SCT, Council of the City of Ljubljana, Slovenijales, Stol, Smelt, Self-Managing Community of Interests for Housing of the Municipalities and City of Ljubljana, Stenplast, Krško paper factory, Radeče paper factory, Vevče paper factory, Unitex, Velana