VICI Valco Instruments Co. Inc. has been the leading designer and manufacturer of standard and custom valves and fittings for precision analytical, biomedical, and biocompatible instrumentation. Our product line also includes a wide range of related products such as pneumatic and electric actuators, tubing and sampling loops, heated enclosures, valve sequence and temperature controllers, gas purifiers, GC detectors, and digital interfaces. Valco Instruments is located in Houston, Texas. For most of our history, our products have been utilized in medical laboratories. Recent developments in the treatment of cancers and pulmonary diseases indicate that in the future we will play a more central role in the therapeutic area.