US Electrical Services Inc. (USESI, Chester Springs, Pa.): Greg Griswold has been named president, Mid-Atlantic region. Currently, the Mid-Atlantic region of USESI consists of Monarch Electric Co., West Caldwell, N.J., which USESI recently announced its intent to acquire. Griswold joins USESI from WESCO Distribution. Prior to working at WESCO, he was the president of Cooper Electric Supply.