Wipac is a British automotive engineering company based in Buckingham. The company resulted from a merger in 1941 of the British subsidiary of the American Wico company and British spark plug manufacturer Pacy to become the Wico-Pacy in Bletchley before eventually becoming the Wipac brand which became well known in the UK for car and motorbike accessories including driving lamps and windscreen wiper blades. Wipac moved to Buckingham in 1959 with 500 employees. The company manufacturers vehicle antennas, producing 1.4 million in 2005. In 2007 Wipac acquired High Wycombe based Ultra Auto Design.