Microsoft Office | Home Office | War Office | The Office | Foreign and Commonwealth Office | United States Patent and Trademark Office | Office of the Inspector General | Office of Naval Research | Office of Strategic Services | The Office (U.S. TV series) | Cabinet Office | Oval Office | Post Office Protocol | Office of Naval Intelligence | General Post Office | Colonial Office | United States Post Office Department | Met Office | The Office (UK TV series) | Office of Management and Budget | Office Depot | European Investment Bank | Prime Minister's Office | Office of the Secretary of Defense | Office of the Public Guardian | Office of Science and Technology Policy | Executive Office of the President of the United States | Alternative Investment Market | Office of the Comptroller of the Currency | Office of Economic Opportunity |
His private investment office includes the "Dr. Elsässer Beteiligungsgesellschaft Nr II mbH" which in 2003 bought a major stockholding in one of the top German soccer teams, Borussia Dortmund from Deutsche Bank.