Boig and Hill, Inc. is a distributor of instrumentation, valves and controls. Valve product offerings include pilot-operated pressure regulating valves featuring maximum inlet pressure of 300 psig, maximum outlet pressure of 15 psig and reduced outlet pressure ranges of 3-200 psig. Pilot valve products are available in sizes ranging from 1/2" to 6".

MSC Industrial Supply Co. is a distributor of industrial supplies and equipment. Product offerings include pilot operated solenoid valves in 3/8" and 1/2" inlet sizes. Pilot valves feature soft start valves, solenoid with quick exhaust actuators, and 120 VAC input voltage.

G.W. Lisk Co., Inc. is a supplier of solenoids, flame arrestors, valves and related equipment. Available products include pilot & direct operated solenoid valves as well as 2, 3, 4, and 5 way designs.