الصمامات

كبار المصنعين

• Northrop Grumman Systems Corporation
• Carleton Technologies Inc
• Metrex Valve Corp.
• Proconex, Inc.
• Trac Regulators Inc
• Emerson Process Management
• Adrick Marine Group, Inc.
• Griswold Industries, Co.
• Airbus Defense and Space, Inc.
• Airbus Defence and Space Gmbh