Applied Industrial Technologies offers pneumatic valves and accessories including directional controls, flow controls, and pressure regulators. Directional control valves are available for a wide range of duties be they hazardous, mobile, or extreme, and can be operated electrically, mechanically, manually, or pneumatically; over a dozen valve body and spool styles are available, as well. The company also supplies check valves in brass, composite, nickel-plated brass, and stainless steel; the number of end types, port types, and thread types on the check valves can also be varied according to customer needs. Lastly, AIT sells needle valves in five sizes, from 0.125" to 0.75".

Parker Hannifin offers a variety of pneumatic valves, including electropneumatic and fieldbus, inline, lanyard, manual/mechanical, and other types of valves. The electromechanical and fieldbus options include the Isys Series and the Moduflex Miniature Electro-Pneumatic Valve System, as well as a programmable air regulator valve and modular valve stacking systems. There are also a variety of inline valves with different Cvs (0.75 to 7.0) for applications such as food and beverage processing, household and personal care packaging, etc. Additionally, the company manufactures ball valves, flow control valves, and needle valves in several different materials and styles.

Unique Welding & Fabricating manufactures 3", 4", and 6" pneumatic emergency valves to avoid production slowdowns, operator injury, and environmental cleanup by stopping chemical leaks immediately. Their 6" diameter Hot Head Series valves are designed for high temperature situations.

Clippard Instrument Laboratory has manufactured miniature pneumatic valves and related products. The Mouse is their best-selling pneumatic electronic valve, which allows a flow of 0.5 scfm at 25 psi, 0.6 scfm at 100 psi, and 6.1 scfm with a booster. Their line of manual and air piloted valves is deep; it includes 16 valve and valve-related products, including toggle valves, stem valves, air valve actuators, and indicator gauges and counters.

OTP Industrial Solutions carries pneumatic automation products by SMC Pneumatic. Their solenoid valves range from port sizes M3 to 2", manifoldable either on bar stock or stackable, with numerous integrated wiring options. Their mechanical, manual, and air pilot valves are constructed utilizing corrosion-resistant aluminum die cast bodies with optional heavy duty actuators and Buna N seal design, for 2-, 3-, or 4-way flow configurations.

Mann Fluid Power offers a wide selection of air pilot and solenoid valves from manufacturers such as AAA, Control Line, Hoerbiger Origa, Lexair, Mead, Precision Dynamics, and Snaptite.

SunSource is a leading fluid power distribution company that also provides products, service, and information in pneumatics and related industrial components. Among some 80,000 products and 250 manufacturers stocked by the company are pneumatic valves by Fabco-Air, Norgren, Parker Skinner, and Versa.