Ellis/Kuhnke Controls produces miniature, standard, and low pressure switches used to detect the presence of air pressure in pneumatic systems, and to provide an electrical contact output to control or indication devices. The various switches feature operating pressure ranges of 12 to 115 psi, 7.5 to 60 psi, or 45 to 115 psi.

Grainger Industrial Supply distributes Honeywell-brand pneumatic switches, 2-position pneumatic switches, and pneumatic electric switches with pressure ranges of 0-18 psi. Grainger also supplies Ingersoll-Rand electro-pneumatic actuators that feature maximum operating psi of 125 and a maximum temperature range of 0 to 180 F.

Tecmark offers PCB air switches that add pneumatic actuation to any electronic control circuit. Featuring an electrical rating of 1 amp/250VAC, and maximum operating pressure of 10 psi, the switches operate in temperature extremes of 14F to 185F. The switches also provide remote actuation of electronic circuits that control motors, lights, pumps, and air blowers.

Gems Sensors & Controls manufactures general purpose pressure switches for low temperature pneumatic applications and pneumatic/low pressure hydraulic applications. Each of the switches are adjustable or factory set, and feature 5 to 300 psi.

Vaccon Co.'s adjustable pneumatic vacuum switches feature an adjustable operating range from 0 to 25" Hg. The switches are used in a number of applications including clamping and vacuum chucking, pick and place of heavy loads, hold vacuum while molds cool, vessel evacuation, lifting systems, handling applications, and vacuum forming.

ITT Neodyn manufactures general purpose pneumatic switches for pneumatic and low impulse hydraulics up to 3,000 psig, and for high pressure pneumatic or low impulse hydraulic applications requiring a narrow deadband. All the switches are categorized by NEMA standards.

Switching Solutions Inc. design and manufactures pressure switches, temperature switches, and vacuum switches used in the pneumatic industries. The switches are suitable for low or high pressure applications up to 6000 psi.

Allied Electronics Inc. distributes various pneumatic switches manufactured by Crouzet, Honeywell, SMC Corporation, Square D, and TURCK.

CESCO distributes Clemco-brand pneumatic deadman switches and Schmidt-brand pneumatic II deadman switches. The Schmidt switch is a 3-way, normally-closed valve and features an epoxy-sealed normally-off switch.

Mointeur Devices offers pneumatic switches for valve automation. Able to handle pressures of 30 psi to 120 psi, the switches feature a compact design, operating temperature range of 20F to 140F, and response time of 15 ms.