Johannes Pfeiffer

Zentrum für Europäische Wirtschaftsforschung GmbH (ZEW) is an independent investment research firm headquartered in Mannheim, Germany. Founded in 1990, the firm conducts research in the field of applied and policy-oriented economics and provides national and international research with important data sets via its research data center. They support politicians, companies and administrations at national and European level in overcoming economic policy challenges through in-depth advice. ZEW pursues the economic analysis of functioning markets and institutions in Europe as an overarching research guiding principle. Their main research interests are in the areas of competition and regulation. Methodologically, research at ZEW is based in particular on microeconomic and micro econometric approaches.

August Bremicker Soehne KG(ABUS) manufactures locks. Its services include domestic, mobile, and commercial security. ABUS products include small iron ware, iron, steel and metal hardware, chains, fittings, signboards, locks and keys, special fittings, burglar alarm, and bicycle locks. The company was founded in 1942 and is headquartered in Wetter, Germany.

Münchener Gesellschaft zur Förderung der is a non-profit company based in Munich, Germany. The German company's focus is on opening up data to academic researchers to study questions of social and public interest. Cesifo, a research cluster created by the company, seeks answers to novel economic research questions. The company was founded in 1999 by Hans-Werner Sinn. Clemens Fuest has been the CEO of the company since 2016.

The Kiel Institute for the World Economy, founded in 1914, provides investment research. The private company is based in Kiel, Germany.

Institut für Wirtschaftsforschung Halle (IWH) is an independent research firm headquartered in Halle and was founded in 1992. The firm provides investment research to their clients.