ControlAir, LLC is a NH based manufacturing company with over 35 years of innovation and experience in precision pneumatic and electro-pneumatic controls offering solutions to customer challenges. Our products are engineered, assembled. and tested in Amherst, NH. ControlAir is a small-to medium sized company with over 50 employees. We take pride in being a worldwide leading manufacture of precision pneumatic and electro-pneumatic control products essential to automated industrial equipment, process control systems and instrumentation.