Bruno Basler

Robert Aebi AG engages in the manufacture, trading, and lease of machinery and tools under the Volvo, RACO, and Putzmeister brands. Its products include construction machinery, excavators, wheel loaders, dumpers, asphalt pavers, rollers, skid steers, all-wheel dumpers, as well as particle filters. The company was founded by Rudolf Rötschi and Johann Rötschi in 1881 and is headquartered in Regensdorf, Germany.

Baumann Federn AG engages in the development, production, and distribution of springs, industrial components, modules, and outsourced parts. It also develops, assembles, and maintains machines, tools, and machine parts. The company was founded on November 14, 1933 and is headquartered in Rueti, Switzerland.

Ernst Basler & Partner AG (ebp) is a Swiss-based company that offers consulting, planning, design, construction, communication, and IT services. The private company is based in Zurich, Switzerland, and has subsidiaries in Chile, Brazil, Germany, China, and the USA. The company has over 500 employees who provide sustainable solutions to clients in urban and rural development. ebp has local expertise and regional ties, as well as extensive international experience and competence, having completed projects in more than 70 countries worldwide. The company's competencies include BIM, building technology, civil engineering, climate, communications, economy and society, energy, environment, information technology, infrastructure, maintenance, organization and processes, railway sector, real estate, resource efficiency and circular economy, safety and security, site development, sustainable building, transportation, urban and regional development, and water.

Ebp Global AG provides loans and credit services. The private company is based in Zollikon, Switzerland.

Ebp Schweiz AG provides IT services. The private company is based in Zollikon, Switzerland. and has subsidiaries in Germany.

Northstar Holding AG functions as an investment holding Swiss company. The private company is based in Schindellegi, Switzerland.