• Allentown Pump and Gun
• Acme Cryogenics, Inc
• Air Products & Chemicals, Inc.
• Arlon-Silicon Technologies Div.
• Advanced Research System, Inc.
• Atas Aluminum Corp.
• BOC Gases
• Cornell University
• CRYO Technologies
• Electro Chemical Eng. & Mfg.
• Fermi National Accelerator Lab
• Fluortek, Inc.
• FFE Minerals USA Inc.
• F.L. Smidth Inc.
• Gamma Foundries Co.
• Gardner Cryogenics
• GL&V USA Inc.
• GMA Inc.
• H & R Parts Co.
• IGC Polycold
• J.C. Kline & Son
• Kraft, Inc.
• The Lehigh Group
• Lehigh University
• Lehigh Cultured Marble
• Mack Trucks, Inc.
• Mancor, Pa
• Midgard, Inc.
• Miroil
• Neapco, Inc.
• Peirce Welding and Fab.
• Perrier Group of America
• Philadelphia Mixers
• Praxair, Inc.
• Precision Roll Grinder
• Prior Coated Metals 
• S.D. Warren
• Shi-APD Cryogenics
• Spectra Gases
• The Stanley Works
• Svedala (Metso Minerals Ind.)
• Tobyhanna Army Depot
• Unicast Company
• Upper Milford Township
• Victaulic Company of Canada
• Victaulic Company of America

Service Contracts:

• Allentown, City of
• Brookside Country Club
• East Penn School District
• Indian Creek Golf Course
• Lehigh Country Club
• Lehigh County Authority
• Salisbury Township
• The Swain School