Overview IT services provider GESIS, Gesellschaft für Informationssysteme mit beschränkter Haftung, offers network, data center and SAP application services, principally for the steel industry. Based in Salzgitter, Ger­ many, the company employs 190 people. GESIS is part of Salzgitter Group, a major steel producer with approximately 25,000 employees and annual sales of €10 billion. The group consists of more than 200 subsidiaries, and

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