The Plumbers and Gasfitters Employees' Union Building (PGEUB) is an office building for the Plumbers and Gasfitters Union, located in Melbourne, Victoria. It was commissioned in 1969 with architect Graeme Gunn to design it, in creative collaboration with landscape designer Ellis Stones, and Merchant Builders. Construction was completed in 1971. The design itself was architecturally intended to be up to date.