The Specialty Mfg. Co. (SMC) is a supplier of standard and specialty valves for a wide variety of applications. Available products offered include standard pilot valves featuring 1/16" barb, 3-way exhausting, normally closed operation, buna seal, 10-32 female inlet port and 1/8" outlet barb port as well as stainless steel construction.

Doering Company is a manufacturer of industrial valves and pumps. Product offerings include pilot air valves used for interfacing between hydraulic or high pressure pilot signals and low pressure pneumatic directional control. Pilot air valves feature operational pressure range of 50 psi to 2000 psi.