PCM specializes in mechanical and pneumatic conveying systems, offering collaborative system design/engineering, computer-generated layouts, rolls and spiral pipe, complete project installation, warranty services, and ongoing consultations post-installation. The company serves the agriculture and industry sectors, with a focus on welding, fabricating sheet metal, pipe metal, and small installations. PCM's operations span across California, primarily working with agricultural companies in rice, almonds, walnuts, and pistachios. They provide services for start-up agricultural companies and are expanding further south in pursuit of new agricultural areas.