Gerardus Marinus van Os

McKinsey & Co., Inc. provides management consulting services. It specializes in design, marketing and sales, analytics, operations, transformation and restructuring, risk, strategy and corporate finance, and sustainability and resource productivity. The company was founded by James O. McKinsey in 1926 and is headquartered in New York, NY.

ElectronicPartner GmbH sells household electronics, as well as entertainment, telecommunications, and multimedia products. The firm distributes its products under the Apple, Braun Personal Care, Canton, Dyson, Gigaset, Grundig, Humax, JVC, Kindle, Krups, Kärcher, LG SIGNATURE, Loewe, Onkyo, Oral-B, Panasonic, Philips, Samsung, Sennheiser, Sony, Teac, Technisat, Telestar, and Toshiba brands. It also provides consulting, delivery, installation, financing, and repair services. The company was founded on August 30, 2002 and is headquartered in Dusseldorf, Germany.

ElectronicPartner Handel SE engages in the retail distribution of consumer and home electronics, information technology and multimedia products, as well as mobile communications. It also provides services such as marketing, product range planning, and store construction to affiliated retailers. The company was founded by Karl Friedrich Haubrich on January 18, 1937 and is headquartered in Dusseldorf, Germany.

Acer Computer Norway AS wholesales computers, computer peripheral equipment and software. Its products include laptops, desktops, tablets, monitors, projectors, accessories, and gaming. The company was founded on November 22, 1994 and is headquartered in Lysaker, Norway.

EHI Retail Institute GmbH is a German company that promotes exchange between trade and science. The company is based in Cologne, Germany and has subsidiaries in Germany. The non-profit company aims to shape the future of retail by utilizing their knowledge and community. The company was founded in 1951 and the CEO is Michael Gerling.

TonerPartner Deutschland GmbH retails printer and copier supplies. It offers printer cartridges, color tape, fuser kit, labels and accessories. The firm provides products from Brother, Canon, Dell, Epson, HP, Konica Minolta, Xerox, Sharp and Philips. The company is headquartered in Gevelsberg, Germany.

Haubrich Holding SE is a German company that provides investment services. The company is based in Dusseldorf, Germany. The CEOs of the private company are Hartmut Haubrich and Volker Marmetschke.

Part of TonerPartner GmbH, Rousselle-com operates as an online printing supplies retailing platform. The company is based in Amiens, France. Rousselle-com was acquired by TonerPartner GmbH on August 26, 2021.

Part of TonerPartner GmbH, Druckerpatronen.de Office GmbH operates an online printing supplies web shop. The company is based in Iserlohn, Germany. The German company was founded in 2010 by Frank Menze. The CEO is Oliver Ahrens. Druckerpatronen.de Office was acquired by TonerPartner GmbH on April 25, 2022.