The users of Asprova are companies from both make-to-order manufacturing and batch production, from medium-sized business to multinational corporation. A further significant performance parameter is Asprova’s orientation towards the requirements of lean production. Established in 1994, it has ever since been the goal of the Asprova developers to meet the specific demands. Today Asprova is regarded as the best lean scheduler worldwide – which is only confirmed by the list of references. The most renowned Asprova users in Japan read like a “who-is-who” of Japanese top businesses. With a market share of 52.4 %, Asprova is the outstanding market leader among schedulers.