Screen Machine Industries is one of the largest manufacturers of portable jaw impact cone crushers screening plants trommels and conveyors in North America and is a global leader in design and innovation within the industry. A complete line of portable jaw impact cone crushers screening plants trommel screens and portable stacking conveyors is offered to fit a variety of applications.Our award-winning product offerings are the contractors choice for reliability and productivity. Screen Machine Industries manufactures only heavy-duty portable crushing screening plants that are capable of handling your toughest jobs.