Standard Electric Supply Co. is looking to buy about 1 acre from the city to expand its Menomonee Valley headquarters for its growing business. The company currently is north of the Menomonee River at North Emmber Lane. The city owns a large property to the east in the shadow of the Interstate 43 bridges. Tom Zymanek, Standard Electric vice president of supply chain, said the company has outgrown its building and wants to buy about an acre from the city for a roughly 40,000-square-foot expansion. "We've…