Federal Bureau of Investigation | Shanghai Railway Bureau | Bureau of Land Management | Central Bureau of Investigation | Bureau of Alcohol, Tobacco, Firearms and Explosives | Bureau of Indian Affairs | United States Census Bureau | United States Bureau of Reclamation | Bureau of Meteorology | Citizens Advice Bureau | Better Business Bureau | Wuhan Railway Bureau | Federal Bureau of Prisons | Bureau of Engraving and Printing | National Guard Bureau | Bureau of Internal Revenue | Bureau of Plant Industry | The Adjustment Bureau | Japan Credit Bureau | Bureau of Meteorology (Australia) | Bureau of Labor Statistics | Bureau of American Ethnology | American Farm Bureau Federation | National Bureau of Economic Research | Elias Sports Bureau | United States Bureau of Mines | Oklahoma State Bureau of Investigation | Bureau of Western Hemisphere Affairs | Bureau of Ordnance | Bureau of Intelligence and Research |
Monahan has shown his sculptures at various galleries, collections, and museums, including the Los Angeles Museum of Contemporary Art, the Chinese European Art Center in Xiamen, Bureau Stedelijk in Amsterdam, The National Center for Art in St. Petersburg, Russia, the Royal Academy and the Saatchi Gallery in London, and Museum Boijmans Van Beuningen, The Stedelijk Museum and the Fries Museum, all in the Netherlands.