Frequentis AG is an Austria-based supplier of communications and information systems, diversifying its activities into two business segments: ATM (Air Traffic Management) business segment, which includes ATM Civil, including Information Management, and Defense business fields, and PST (Public Safety & Transport) business segment, which includes Public Safety, Public Transport and Maritime business fields. As of December 31, 2010, the Company had seven wholly owned subsidiaries in the area of Sales & Operations, four wholly owned subsidiaries and one majority owned subsidiary, as well as one affiliate, APUS Software GmbH, in the area of Software, and two wholly owned, one majority owned, one minority owned, as well as one affiliate, 3T Communications AG, in the area of Services. The Company's subsidiaries are located in the United States, the United Kingdom, Canada, Australia, Germany, Singapore, Slovak Republic, Romania, and the Czech Republic.

MBB SE, formerly MBB Industries AG, is a German-based private equity firm specializing in acquisitions of established medium-sized industrial companies. The Company makes investments in entities seeking to sell off a part of their business or the entire operation, perhaps as part of a succession process; selling a subdivision or an affiliated entity that no longer forms part of the organization's core business, and seeking for a management buyout or buy-in. It targets investments in firms with turnovers of 10 million euros and above. Its portfolio consists of Aumann AG, specializing in e-mobility, coil winding and automation, CT Formpolster GmbH, a producer of flexible polyurethane foams, Delignit AG, a supplier of ecological hardwood-based materials, DTS IT AG, a cloud computing and cyber security provider, Hanke Tissue Spolka Z O.O., a producer of tissue paper, and OBO-Werke GmbH, a supplier of products for model construction, toolmaking and mould production, among others.