Why did Oskar schindler have a list?

Answer 1

In early 1944, however, Plaszow's designation was changed from that of a labor camp to a concentration camp. This meant that its prisoners were suddenly marked for transport to death camps such as Auschwitz. Then came word in the summer that the main camp was to be closed as well as Schindler's factory. Schindler approached Goeth about moving his factory and his workers to Czechoslovakia so that they might continue to supply the Third Reich (Hitler's army) with vital war supplies. After another bribe, the SS officer agreed to throw his support behind the plan and told Schindler to draw up a list of those people he wanted to take with him. Schindler was now faced with the task of choosing those he wanted to save-literally a matter of life and death. Schindler came up with a list containing some eleven hundred names, including all the employees of Emalia Camp and a number of others as well

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Answer 2

He collected names of Jews and found out whether they were qualified enough to work at his factory. He didn't hire Jews that couldn't work in most cases.

Answer 3

He made many lists (or rather had them made for him), as an employer he was duty bound to have a record of his workers.