Gems Sensors & Controls manufactures several types of pneumatic valves. The E and EH Series sub-miniature 2- and 3-way solenoid valves offer a maximum operating pressure of 175 psi, while the G and GH Series sub-miniature valves allow up to 250 psi; both offer a Cv range of 0.018-0.07. The A Series valve provides high adaptability, allows pressure up to 1000 psi, and Cv of 0.019-0.3; other series include the B Series (MOPD 400 psi, Cv 0.018-0.43), the C Series (400 psi, Cv 0.019-0.42), the D Series (900 psi, Cv 0.045-0.88), and the M Series (100 psi, Cv 0.018-0.07).

Omega Engineering sells a variety of pneumatic and electropneumatic control valves. The V60 Series inline pneumatic valves come 2-to-4-way, are air- or solenoid-operated, and operate under pressure up to 116 psi. Meanwhile, the PV 101 proportional valves offer 100 msec response times at maximum pressure, for use with clean, dry, non-corrosive gases. The company offers other pneumatic valve and accessory choices, as well, including tube compression bar stock ball valves, lever handle ball vales, electronic drain valves, and more.

Pearse-Bertram is a distributor of pneumatic products from several leading manufacturers. They carry 2-, 3-, and 4-way directional control SMC valves which have life ratings from 50 to 200 million cycles, solenoid and NAMUR valves by Versa, miniature 2- and 3-way control valves from Peter Paul, and manual flow control, check, and needle valves by Deltrol.