DesignFlex Switches
- Manufacturer of ultra sensitive pressure, vacuum and differential switches with FAQ, application notes and news stories related to pressure switches.
- http://www.designflexswitches.com

Keller AG
- Swiss manufacturer of silicon strain gauge pressure transducer capsules, transmitters, hydrostatic level sensors & data loggers and digital pressure gauges.
- http://www.keller-druck.com/

BHV Senzory
- Manufacturer of chemical seals and pressure transmitters.
- http://www.bhvsenzory.cz/

Sensocon, Inc.
- Manufacturer of digital differential pressure gauges, transmitters and controls for low pressure, air velocity and flow applications.
- http://www.sensocon.com

SensorsOne
- Features product guides, enquiry forms, application news articles, units conversion, glossary of terms and specifying tool. Rutland, United Kingdom.
- http://www.sensorsone.co.uk/

SM Gauge Company
- UK located distributor and repairer of analogue dial pressure gauges for gas, liquid, slurry or viscous fluids.
- http://www.pressuregauge.co.uk/

Fantinelli Srl:
- Manufacturer of pressure gauges and thermometers
- http://www.fantinelli.it/en/company.php

Intellisensing
- Manufacturers of wireless pressure sensors and associated wireless instrumentation
- http://www.intellisensing.com

Mensor Corporation
- Manufacturer of precision pressure calibration instruments, systems and sensors
- http://www.mensor.com

STS Sensor Technik Sirnach
- Manufacturer of pressure sensors and data loggers for level measurement and process control applications
- http://www.sts-ag.ch

Nuova Fima,
- Manufacturer of pressure gauges, thermometers, diaphragm seals, and electronic pressure transmitters. Italy.
- http://www.nuovafima.com/

Furness Controls, Inc.
- Manufacturers of low pressure transmitters, indicating transmitters, transducers and indicators. Includes company profile and overview of products.
- http://www.furnesscontrols.com

Shreeji Pressure Gauge
- Manufacturer of pressure and temperature gauges for industrial process control. Mumbai, India.
- http://www.shreejipressuregauges.com/

Beck
- Differential pressure switches and transmitters to monitor air flow in HVAC applications and pressure in industrial applications on water, waste water, oils or solvents.
- http://www.beck-sensors.de/

Presens AS
- Manufactures pressure sensors for the oil, gas, industrial and aerospace markets. Specializing in high pressure measurements and severe environments.
- http://www.presens.com

Silicon Microstructures, Inc.
- Manufacture of pressure sensors from 0.15 psi to 100 psi for automotive, medical, and industrial applications. MEMS foundry services.
- http://www.si-micro.com

Paine Electronics, LLC.
- Designer and manufacturer of highly accurate, customized pressure transducers and pressure transmitters for the aerospace, defense, oil and gas, marine and other industries.
- http://www.paineelectronics.com

Kausthubha Udyog
- Manufacturer of pressure switches, differential pressure switches, and vacuum switches. From India.
- http://www.orion-instruments.com/

MSI Scantech
- Distributors of instruments, sensors, transmitters and transducers for the measuremment pressure and flow.
- http://www.msi-scantech.co.uk

Paroscientific, Inc.
- Manufacture of thermally-compensated pressure transducers with 0.01% accuracy.
- http://www.paroscientific.com

Cecomp Electronics
- Manufacturers of digital pressure gauges, digital vacuum gauges, indicating pressure transmitters and pressure switches.
- http://www.cecomp-usa.com

United Instruments
- Manufactures model LPC low pressure calibration system. Measure both gauge and differential pressure with single instrument.
- http://www.unitedinstruments.com/

Intersema Sensoric SA
- Manufactures a large range of pressure sensor products for the worldwide consumer and industrial markets.
- http://www.intersema.com

H.F.Jensen
- Manufactures pressure, differential pressure, level and displacement sensors for submersible, hygienic, offshore and radioactive environment.
- http://www.hfjensen.dk/

Trans Metrics
- Manufactures pressure transducers, pressure transmitters, pressure sensors and related pressure measurement products.
- http://www.trans-metrics.com/

Huba Control
- Manufacture of pressure measurement technology including both pressure switches and pressure transmitters.
- http://www.hubacontrol.com/

All Sensors Corporation
- Manufacturers of miniature low pressure sensors from 1 mbar to 100 psi which are pc board mountable.
- http://www.allsensors.com/

Midaus
- Russian manufacturer of high quality pressure transducers, transmitters, digital indicators, power supplies.
- http://www.midaus.com/

Rosemount Inc.
- Process instrumentation, providing solutions for pressure, temperature, level and flow.
- http://www.rosemount.com/

Manotherm
- German manufacturer of pressure gauges, chemical seals, thermometers, pressure transmitters and pressure transducers as well as pressure gauge test equipment.
- http://manotherm.com/

Noshok, Inc.
- Manufactures and supplies dry- and liquid-filled gauges and transducers/transmitters.
- http://www.noshok.com/