The Eberspächer Group , headquartered in Esslingen , is one of the world ’ s leading system developers and suppliers of exhaust technology , vehicle heaters and bus air conditioning systems . The company is active in 60 locations across 25 countries , and it processes over half a million paper invoices annually from international suppliers of all sizes . To conduct its accounting processes more efficiently , the global automotive supplier realized it needed an electronic invoicing system , and for them Tradeshift was the clear choice .