Measurement & Controls Ltd. process instrumentation, automation, valving, thermal mass flowmeters, industrial parts, Siemens, MOGAS, FCI, Pepperl + Fuchs Here at Measurement & Controls Ltd. (MCL) we are a distributor of instrumentation, valves and electrical products. We are dedicated to providing complete instrumentation, valve and electrical solutions, along with the right products, software and services to our clients worldwide.