Stak Inc is engaged in research, development, manufacturing, and sale of oilfield-specialized production and maintenance equipment. It design and manufacture oilfield-specialized production and maintenance equipment and also sell oilfield-specialized production and maintenance equipment components, related products, and provide automation solutions. Its products include oilfield vehicles such as oil pumping trucks, oil-well repair trucks, fracking trucks, well flushing-wax removal trucks, and boiler trucks. The company also produce specialized equipment and components for oil well repair and maintenance, fracking, oil well cleaning and wax removal, oil pumping, and boilers.