Total Control Systems is a worldwide manufacturer of piston and rotary positive displacement flow meters and electronic registration for aircraft refuellers and into-plane fixed fueling custody transfer applications. Flow rates from 0.2 to 600 gpm, with 1 1/2- through 4-inch sizes available. Meets NIST, OIML and military performance requirements. 100 percent made in the USA. For more information call (800) 348-4753 or visit www.tcsmeters.com.