- SMC is the world's largest manufacturer of pneumatic automation products. At SMC, we have the widest range of products, engineered to meet applications in every sector of the market. From Semiconductor to Automotive, Medical to Petroleum, our products are designed to fit your unique requirements. More Information! 5 Port Solenoid Valve Series SV1000/2000 More Information! ISO Valve with M12 ...www.smcusa.com