11 bit studios
Adamów Coal Mine
Asseco
Bank Pekao
Belchatów Coal Mine
Biedronka, supermarkets
Bielszowice Coal Mine
Bochnia Salt Mine
Bogdanka Coal Mine
Boleslaw Smialy Coal Mine
Borynia Coal Mine
Brainly
Browar Lomza
Budryk Coal Mine
Bytom Odrzanski mine
Carlsberg Polska
CD Projekt RED
Chwalowice Coal Mine
Comarch
Deby Szlacheckie Coal Mine
Drzewce Coal Mine
Elbrewery
Elektrim
Ericpol Telecom
Fablok
FLT-Krasnik
Frugo
Gaworzyce mine
Gaz-System, natural gas transmission
Glogów Gleboki-Przemyslowy mine
GOG.com
Grupa Lotos
Gubin Coal Mine
Halemba Coal Mine
Hortex
ING Bank Slaski
ITI Group
IVONA
Jablkowski Brothers
Janina Coal Mine
Jankowice Coal Mine
Jas-Mos Coal Mine
Józwin Coal Mine
KGHM Polska Miedz
Kino Polska
Klodawa Salt Mine
Kompania Piwowarska
Kompania Weglowa
Konin Coal Mine
Krupinski Coal Mine
Lech Brewery Wielkopolski
Legnica Coal Mine
Livechat Software
LOT Polish Airlines
LPP
Lubin mine
Mosty Coal Mine
Murcki Coal Mine
Myslowice-Wesola Coal Mine
Myszków mine
Netia
Okocim Brewery
Optimus S.A.
Orange Polska
P4
Pesa SA
Piaski Coal Mine
Piast Coal Mine
PKN Orlen
PKO Bank Polski
PKP Group
PKS, public transportation
Pniówek Coal Mine
Polcast Television
Polkomtel
Polkowice-Sieroszowice mine
Polsat
Polskie Górnictwo Naftowe i Gazownictwo (PGNiG), natural gas
Polsteam
Powszechny Zaklad Ubezpieczen (PZU)
Przewozy Regionalne
PSE (Polskie Sieci Elektroenergetyczne)
Qumak
Retków mine
Rudna mine
Sobieski Coal Mine
Solaris Bus & Coach
Sosnica-Makoszowy Coal Mine
Staszic Coal Mine
Szczyglowice Coal Mine
Szklary mine, nickel mine
Telewizja Polska
T-Mobile
Tomislawice Coal Mine
Trzcianka Coal Mine
Turów Coal Mine
Tymbar
Tyskie
Van Pur
Wieliczka Salt Mine
Wujek Coal Mine
Zywiec Brewery