British Museum | Museum of Modern Art | Metropolitan Museum of Art | American Museum of Natural History | Victoria and Albert Museum | Natural History Museum | San Francisco Museum of Modern Art | Honolulu Museum of Art | museum | Whitney Museum of American Art | Museum of Fine Arts, Boston | Los Angeles County Museum of Art | Solomon R. Guggenheim Museum | National Air and Space Museum | Brooklyn Museum | National Baseball Hall of Fame and Museum | Hermitage Museum | National Museum of Racing and Hall of Fame | Museum of Contemporary Art | Field Museum of Natural History | Philadelphia Museum of Art | Imperial War Museum | Smithsonian American Art Museum | National Museum | National Museum of Natural History | Museum of Fine Arts, Houston | Denver Art Museum | Cleveland Museum of Art | Museum of Contemporary Art, Los Angeles | National Maritime Museum |
Rentmeister's work is in numerous collections including the Arp Museum Bahnhof Rolandseck, Remagen, Germany; Kolumba, Cologne, Germany; MARTa Herford, Germany; Museum Boijmans van Beuningen, Rotterdam, Netherlands; Museum für Moderne Kunst, Frankfurt am Main, Germany; Museum Ludwig, Cologne, Germany; Museum Ostwall, Dortmund, Germany; Abteiberg Museum, Mönchengladbach, Germany; Lehmbruck-Museum, Duisburg, Germany