History - Entrepreneurial activities of members of the Drewes family
Robert O. Drewes acquires "Carl Polzin Seehafenspedition GmbH", founded in 1925
Herbert Drewes sells the shares in the D. Oltmann Group
Robert O. Drewes founds "THB Transport- und Handelsberatungsgesellschaft mbH"
Herbert Drewes sells the shares in the "Ister Reederei" shipping company
Herbert Drewes sells the shares in the "Schlüssel Reederei" shipping company
Herbert Drewes and his partners found the "D. Oltmann" shipping company
Herbert Drewes and his partners found "Bremer Seebäderdienst D. Oltmann & Co.", which offers passenger services
Carl Drewes founds "Minerva Versicherungs-Aktiengesellschaft", specialist for hull insurance
Herbert Drewes mediates the mutual founding of the "Ister Reederei" shipping company with Voest (Linz, Austria) and his partners
Herbert Drewes founds the passenger line service company "Transocean Passagierdienst D. Oltmann & Co."
Herbert Drewes and his partners found the "Schlüssel Reederei" shipping company
Herbert Drewes becomes majority shareholder of "D. Oltmann OHG"
Carl Drewes and his partner take over the trading house "Vietsch & Wüste" founded in 1842. The company is renamed "Drewes & Focke" and begins specialising in insurance brokerage for shipping companies and businesses.