Campbell's work is part of numerous public collections such as the Metropolitan Museum of Art, New York; The Museum of Modern Art, New York; Smithsonian American Art Museum, Washington, DC; The Whitney Museum of American Art, New York; the San Francisco Museum of Modern Art.
In the fall of 2010, Campbell's work, "Scattered Light" was installed in the Madison Square Park Conservancy in Manhattan making it the largest and most extensive public art piece of his to date.