E. F. Britten and Co., Inc.
E.F. Britten & Co., Inc., manufactures refillable and disposable DOT-4B and DOT-39-NRC carbon steel cylinders plus a wide selection of small Brass, Nickel Plated Brass, 316 Stainless Steel and Monel 400 needle valves for Specialty Gas and Laboratory Applications. We offer many stem and connection options. Our valves will pass a helium leak rate test of 1x10-7 or better.
http://www.efbritten.com

PRO Regulator
Voltage regulator repair and services of models of Basler, Delco, EM, and GE.
http://www.proreg.net

Watts Regulator Co.
Manufactures automatic flow and pump control, check, float, pressure reducing and sustaining, solenoid and butterfly valves.
http://www.wattsacv.com

Trans Metrics
Pressure Transducer Specialist - Trans Metrics - makes quality pressure transducers, pressure transmitters, pressure sensors and measurement products. Features: 0-60,000 psi pressure range, stainless construction and bonded strain gage elements.
http://www.trans-metrics.com/

Manotherm
Manufacturer of high-quality pressure gauges, chemical seals and thermometers
http://manotherm.com/

3D Instruments, LLC
3D Instruments offer you the most precise pressure gauge, test gauge, receiver gauge and refrigeration gauges that you need. They offer you all the monitoring instrumentations you need for your processes.
http://www.3dinstruments.com/

Germany - Telecoms and Postal Regulator
Federal Network Agency for Electricity, Gas, Telecommunications, Post and Railway
http://www.bundesnetzagentur.de/enid/4a2febdfce81c30908ba031ee62cf1ae,0/xn.html

Huba Control
Die Huba Control entwickelt, fertigt und verkauft Komponenten zur Erfassung der physikalischen...
http://www.hubacontrol.com/

Technel Engineering
Technel Engineering products include Budenberg, DH, Barometric Pressure, Calibrators, Current Shunts, DAQ, DAS, Data Acquisition, Deadweight, Deadweight Testers, Digital Recorders, Gauges, Hand Held, Labview, Linear Transducers, Meteorological, PCI, Pneumatic, Position Transducers, Pressure, Pressure Calibrator, Pressure Controllers, Pressure Gauges, Pressure Scanners, Pressure Sensors, Pressure Transducers, Pressure Transmitters, Rotary Transducers, Sensors, Strain Gauges, Temperature Scanners, Thermometers, Transducer, Transducers, VXI, Water Level
http://www.technel.com/

Midwest Pressure Systems, Inc.
Midwest Pressure Systems, Inc. manufactures air-driven systems for boosting shop air pressure and inert gas pressure.
http://www.midwestpressuresystems.com/