Workhorse Group Inc., a technology company, engages in design, manufacture, and sale of zero-emission commercial vehicles in the United States. The company offers commercial vehicles under the Workhorse brand. The company was formerly known as AMP Holding Inc. and changed its name to Workhorse Group Inc. in April 2015. Workhorse Group Inc. was founded in 2007 and is headquartered in Sharonville, Ohio.