Ashcroft Inc. offers a line of pressure switches with various enclosures, switch functions, wetted materials and set points. Enclosure types include watertight or explosion proof, brass body, stainless steel body, epoxy coated aluminum, and anodized aluminum. Pressure switch models include general purpose pressure switches, compact pressure switches, hydraulic pressure switches, high performance pressure switches and electronic pressure switches.

Cole-Palmer delivers a big selection of pressure and vacuum instruments. Their line of pressure switches includes: Ashcroft Type A pressure switches; Cole-Parmer compact pressure/vacuum swithces; Cole-Parmer economical pressure/vacuum swithces; Dwyer Photohelic differential pressure gauges/switches; industrial vacuum, pressure and differential pressure switches; and subminiature pressure switches.

Dan Foss provides pressure switches with high grade enclosures for light, heavy, wet and dusty industrial applications. Catalog of pressure switches includes single, dual and pressure switches such as the RT pressure switch for land and sea applications, BCP pressure switches for industrial boiler applications, KP/KPI pressure switches for gaseous and liquid media and MBC pressure switches for marine and hydraulic applications.

GP:50 offers pressure transmitters and transducers for well servicing applications, industrial applications, high temperature plastics industry, aerospace, undersea applications and pump monitoring. They also offer low cost OEM pressure transducers and transmitters, differential pressure transmitters, flush diaphragm and sanitary pressure transmitters, hgh temperature transmitters, and submersible level transmitters.

ITT Aerospace Controls offers general purpose and hazardous area switched with NEMA standards. The Neo-Dyn switches utilize a negative rate Bellevill spring snap acting device, resist vibration and are capable of over-pressure. They feature great set point stability and long cycle life.

Melt Pressure Inc makes plastic melt pressure transducers including their MHP model with standard 3mV/V and 6 pin bayonet connector with psi of 500 to 10,000 as well as their MHT model with output of 4 to 20mA and 0 to 10VDC. They also make melt pressure transmitters which are interchangeable with other models with a fluid filled system or pushrod design.

NSI offers Gefran melt pressure sensors and pressure transducers in oil filled, mercury filled, and impact models, as well as those for high pressure and hazardous locations.

Sensata Technologies makes pressure sensors including ceramic and hermetic models for HVAC/R and industrial use including combined pressure and temperature models for applications requiring a double duty sensor. They also make pressure switches such as automatic reset, manual reset, and vacuum models.

Industrial Sensors & Instruments (ISI) provides pressure sensors and transducers. Mini series pressure transducers feature a 0.5 inch diameter, 1.0 inch length, range of  0-1,000 psi to 0-20,000 psi, LED display, different pressure measurement, standard operating temperature of 300º F and the optional temperature limits up to 500º. The SPG/DPG series pressure transducers feature number of pressure port options, electrical connection options, range of 0-500 psi to 0-20,000 psi, different pressure measurement, LED display, and optional 400º F or 500º F service.

Honeywell offers low cost pressure sensors and digital pressure transducers in 400 unique models. Transducers are built with high stability piezoresistive silicon sensor technology for harsh environments. Product line includes precision pressure transducer, ruggedized precision pressure transducer, explosion proof precision pressure transducer, precision barometer for altimeter applications, precision barometers, and remote digital displays for pressure transducers.

Omega.com is a distributor of pressure transducers including gage and absolute pressure models, sealed gage models, as well as vacuum, absolute, differential, and bidirectional types with aerospace, flush diaphram, high accuracy, and other transducer styles.

GE Sensing & Inspection Technologies manufactures pressure transducers and transmitters as a pressure measurement solution. Advanced technology MEMS solutions include pressure sensors and advanced process technology services Advanced packaging and instrumentaion offers pressure sensors and test/calibration insturments that meausres pressure ranges from 0.015 psi to 15,000 psi.

Omron makes pressure sensors made for confirming suction, managing source pressures, leak testing, and to verify mounting as well as differential pressure flow. Their sensors include slim digital models, LED displays, and built in microcomputers.

Pendotech designs pressure sensors and monitors for use with bioprocess and tubing containers as well as monitor alarm and transmitter systems for use with their sensors for filtration, chromatography, and more.

SensorONE provides pressure sensors, transmitters and transducers with varying voltage outputs including 0-5V, 1-5V, 0-10V, and 0.5-4.5V ratiometric as well as differential pressure sensing measurement, barometric pressure measurement, and absolute pressure measurement instruments.

Setra makes rugged industrial pressure capacitance & inductive transducers, able to withstand up to 200g shock and 20g, 50-2000Hz of vibration and feature EMI/RFI protection. They also make strain gauge pressure transducers for water level measurement and general purpose featuring options such as intrinsic safe options, range turndown capability, and more.

Siemens makes the Sitrans P brand pressure measurement line for gauge, differential, and absolute pressure, flow, and level measuring such as their Sitrans P Z compact model for absolute & relative pressure measuring, with a range from 0 to 100 mbar to 0 - 400 bar.

Sigma-Netics offers several pressure sensing instruments including switches, bellows, hydraulic switches, air pressure switches and more. Their industrial pressure switches come with factory set or adjustable pressure and are explosion proof with varying standard connections.

Spectre Sensors makes industrial and aerospace pressure transducers including their 1000 model bulletproof such as gauge, absolute, or vacuum applications with 0-30,000PSI, 4-20mA and can be used from 0-5V or 0-10V.

Swagelok makes pressure transducers including explosion proof models with stainless steel construction, an accuracy of 0.5% span limit point calibration, and internal diaphragm or flush diaphragm process connections.