Bestech Co. Ltd.
Oil sealed rotary vacuum pumps, roots vacuum pumps, dry vacuum pumps, diffusion pumps, liquid ring vacuum pumps, vacuum chambers, vacuum gauges, vacuum coating machines, leak detecters.
http://www.bestechvacuum.com/

United Vacuum Corp.
Extensive inventory of Vacuum Pumps, Stokes Vacuum Pump, Stokes 412, Stokes 212, Stokes 615, Surplus Vacuum Pump, Leybold Vacuum Pump, Edwards Vacuum Pump, Busch Vacuum Pump, Rebuilt Vacuum Pump, Rotary Piston Vacuum Pump,Rotary Lobe Blower,Vacuum Pump Parts, Alcatel Vacuum Pump, Welch Vacuum Pump, Sargent Welch Vacuum Pump,UNIVAC,Becker Vacuum Pump, Varian Vacuum Pump,Vacuum Exhaust Mist Filter
http://www.unitedvacuum.com/

Thermionics Vacuum Products
Manufacturer of vacuum systems, components and hardware for all vacuum applications including: XYZ manipulators, sample handling devices, motor controllers, valves, feedthroughs, gauges and controls, and flanges.
http://www.thermionics.com/

HyVac Products Inc.
OEM manufacturers of high vacuum pumps and equipment. Precision manufacturing services using computer numerically controlled maching (CNC). Manufacturers of vacuum pumps, gauges, fittings, filters, traps and systems. Most anything related to vacuum pressures in excess of 29' mercury vacuum.
http://www.hyvac.com/

L. J. Engineering, Inc.
L.J. Engineering, Inc. manufactures precision pneumatic and vacuum control devices, digital vacuum gauges, vacuum regulators, pneumatic flow control devices, automatic activation devices for parachutes and digital altitude chamber test equipment.
http://www.ljengineering.com

HyVac Products, Inc.
Manufactures vacuum pumps, fittings, filters, gauges, systems for vacuum industry. Excellent products and great prices.
http://www.hyvac.com/

Thermo Vacuum Generators
The first choice for Ultra High Vacuum (UHV) Components and Surface Science Instruments. VG Scienta is the merger of Vacuum Generators and Gammadata Scienta. Comprised of two complementary divisions; Surface Science Physics and Vacuum Components & UHV Systems. VG Scienta offer HV Flanges and Fittings, UHV Flanges and Fittings, Feedthroughs, Viewports, Angle and Straight Through Valves, SoftShut Gate Valves, Rotary Drives, Linear Drives, Transfer and Transport Devices, Manipulation, Pumps and Traps, Pressure Measurement, Chambers, Fabrications and Bakeout supplies. For Surface Science VG Scienta offer Electron Spectrometers, Soft X-ray Spectrometers, X-ray Sources, UV Sources, Analysis Chambers and other products.
http://www.vacgen.com

Waare Instruments Limited
Manufactures pressure gauges, temperature gauges, needle valves, glass thermometers, capsule gauges, and diaphragm gauges.
http://www.waaree.com

Cecomp Electronics
Cecomp Electronics Digital Pressure Gauges
http://www.cecomp.com/

Cecomp Electronics
Cecomp Electronics Digital Pressure Gauges
http://www.cecomp-usa.com