Stak Inc. is a holding company principally engaged in the research, development, manufacturing, and sale of oilfield-specialized production and maintenance equipment. It designs and manufactures specialized equipment for oilfield operations, collaborating with qualified vehicle manufacturers to integrate this equipment onto chassis, producing vehicles such as oil pumping trucks, oil-well repair trucks, fracking trucks, well flushing-wax removal trucks, and boiler trucks. The company also sells equipment components, related products, and provides automation solutions aimed at enhancing efficiency, energy savings, and environmental performance in oilfield services. Stak Inc. operates within the oil and gas equipment and services industry, serving oilfield service companies with integrated solutions for production, repair, maintenance, fracking, cleaning, wax removal, pumping, and boiler operations. Founded in 2020 and headquartered in Changzhou, Jiangsu, China, Stak Inc. focuses on niche markets for specialized oilfield vehicles and equipment.