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| Interface Devices, Inc. |   |
BOC Edwards |   | |
ANVER Corporation |   | |
Somarakis |   | |
Welch Vacuum / Thomas Industries |   | |
Siemens AG - - - |   | |
Alcatel Vacuum Products |   | |
Becker Pumps Corp. |   | |
FIPA |   | |
Air Vac Engineering |   | |
Busch, Inc. |   | |
Gast Manufacturing, Inc. |   | |
KNF Neuberger, Inc. Two Black Forest Road - Trenton, NJ 08691-1810 USA - - |   | |
Bestech Industry |   | |
ITW Vortec |   | |
Beach Russ Company |   | |
Hargraves Technology Corporation |   | |
Rietschle Thomas Sheboygan, Inc. |   | |
Medo USA, Inc. |   | |
Vacuum Technology |   | |
LACO Technologies, Inc. |   | |
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