Ralf Vogelsang

msg systems AG provides information technology consulting and system integration services. It offers SAP consulting, development, business intelligence, information technology project, output, test management, migration, supply chain management, information technology services, architecture and methodology, as well as information security. The company was founded by Hans Zehetmaier, Herbert Enzbrenner and Pius Pflügler in 1980 and is headquartered in Ismaning, Germany.

Winter Grün Markiertechnologie GmbH is a private company based in Wilnsdorf, Germany. The CEOs of the German company are Ralf Vogelsang and Stefan Forberger. Winter Grün GmbH specializes in developing and producing innovative marking and demarking machines for roads and airports. The company has a long history, dating back to 1919, of creating specialized machines for the construction sector.

Grün GmbH Spezialmaschinenfabrik is a German company based in Wilnsdorf, Germany. Grün GmbH specializes in providing solutions for road construction, control technology, and fall protection in the construction industry. The private company was founded in 1919 and is currently led by CEOs Ralf Vogelsang and Hendrik Stähler.