- AAA Four-Diamond Award since 1978 2001 DiRona Award 2001 Wine Spectator Award The Pump Room has reigned as one of Chicago's top dining destinations since 1938. Located within the Omni Ambassador East Hotel, its traditional elegance has made it the place to celebrate special occasions in Chicago. A gallery of celebrity photographs, many take at the famous Booth One and others taken at the more ...www.pumproom.com