| 1969 |
PSI Gesellschaft für Prozesssteuerungs- und Informationssysteme GmbH is founded in Berlin. First order from the steel industry. |
| 1974 |
PSI is the first German company to introduce an employee stock option plan. |
| 1976 |
The company wins its first large order from the energy supply sector. |
| 1986 |
Market launch of PIUSS-O, the company’s first standard software product for production planning (PPS). |
| 1994 |
The company is converted into a joint-stock corporation. |
| 1996 |
Development of the first object-oriented ERP system PSIpenta. |
| 1998 |
Initial public offering (IPO) on August 31. |
| 2000 |
PSI acquires the gas management system division from debis Systems and starts internationalization of its energy business. |
| 2002 |
Generation shift in top management; Restructure of PSI into an integrated control system enterprise. |
| 2003 |
PSI develops the first integrated control system for controlling complex manufacturing processes. |
| 2004 |
PSI subsidiaries founded in Poland and China. |
| 2005 |
First major orders from Chinese steel industry and expansion of the logistics division to Russia. |
| 2006 |
Opening of representative office in Russia; new sales partnerships in Eastern Europe and Asia. |
| 2007 |
Process control system for efficient raw materials production; market entry into the Russian steel and electricity industry. |
| 2008 |
Formation of a subsidiary and a joint venture in Russia. International expansion in the metals, production and energy industry. |
| 2009 |
PSI celebrates its 40th anniversary. Since 1969, PSI develops and integrates software solutions and complete systems for utilities, manufacturers, logistics and infrastructure providers. |
