AMP Holding Inc., the parent company of AMP Electric Vehicles Inc. and AMP Trucks Inc., has changed its name to Workhorse Group Inc.
The name change was initiated to coincide with the company's Workhorse brand. The company also has a new stock symbol, WKHS, to replace AMPD.
AMP Electric Vehicles manufactures electric drive systems for medium-duty, Class 3-6 commercial truck platforms. AMP Trucks Inc., which purchased the assets of Workhorse Custom Chassis LLC from Navistar in March 2013, can equip its Workhorse chassis with gasoline, propane or compressed natural gas engines.