 HOUSTON, June 30, 2021 PRNewswire -- U.S. Well Services NASDAQ: USWS USWS or the Company today announced it has committed to purchasing 60 Power Cubes from AmeriMex Motor Controls, LLC AmeriMex, a subsidiary of Industrial Service Solutions. Each patented Power Cube contains two 3,000 HHP electric motors, two variable frequency drives, a power transformer and other components that combine to create a self-contained power center. 