- GNB Corporation
http://www.gnbvalves.com
High and ultra high vacuum valves, chambers and accessories. GNB is the manufacturer of the world's largest and most dependable vacuum valves, providing standard designs and custom engineering for over 30 years.
- Vactek
http://vacuum-pumps.us
The company specializes in industrial, analytical and medical vacuum equipment, distribution and service of vacuum pumps, PD blowers and related maintenance, parts and supplies.
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