Hii ni orodha ya makampuni ya Tanzania. Air Express Air Tanzania Coastal Aviation Community Airlines Eagle Air (Tanzania) East African Airways IPP Media Heidelberg Installations.Co.Ltd Jubilee Insurance Tanzania MIC Tanzania Limited (tiGO) Precision Air Quality Group Limited Tanseed International Ltd Tanzanian and Italian Petroleum Refining Company Limited Tanzania China Friendship Textile Company Tanzania Electric Supply Company Limited (TANESCO) Tanzania Railways Corporation Tanzania Telecommunications Company Limited Vodacom Tanzania ZanAir Zain Group - formerly Celtel Tanzania Soko la hisa la Dar es Salaam Chemba ya Biashara,Viwanda na Kilimo, TCCIA (Kiingereza)