Michèle Rostaing

Martek Power SA manufactures power supplies and test equipment. It offers a range of switching power supplies and linear power supplies in the industry. The company was founded by Marcel Katz in 1961 and is headquartered in Luxembourg.

Sefelec SA specializes in the field of safety and cable tester. Its products include safety and hipot tester, dielectrimeter, megohmmeter, cable tester and milliohmmeter. The company was founded in 1965 and is headquartered in Lognes, France.

Martek SAS operates as private equity and real estate firm. The company was founded by Marcel Katz in 1987 and is headquartered in Neuilly-sur-Seine, France.

Part of Verdoso SA, Eaglemoss Capital Ltd. is a holding British company that oversees subsidiaries involved in the manufacturing and distribution of collectibles. The company is based in London, UK and was founded in 2015.

SELP manufactures plastic-based consumer products. The company was founded on August 21, 1989 and is headquartered in Mareuil En Perigord, France.

Corelia SCI provides real estate services.

Actinuum SASU provides training in project management and related courses. The company is based in Paris, France. The French company was founded in 2009 by Gwénaël Rigolé.

toDay Ventures (toDay Ventures) is a venture capital firm founded in 2015. The firm is headquartered in Tel Aviv, Israel.