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• Nametre Co.[No URL available; Tel: (908) 494-2422]

• NAMSA

• NanoMaterials, Inc.

• National Starch & Chemical

• National Aperture, Inc.[No URL available; Tel: (800) 360-4598]

• National Diagnostics
  
  
• National Element, Inc.

• National Instruments

• National Partitions[No URL available; Tel: (800) 327-3697]

• National Scientific Company[No URL available; Tel: (800) 332-3331]

• Navitar, Inc.

• NDC Infrared Engineering

• Nederman, Inc.

• NEN Life Science Products Inc.

• Neogen Corporation

• Neptune Chemical Pump Company

• Neptune Research Inc.

• Neslab Instruments

• The Nest Group Inc.[No URL available; Tel: (800) 347-6378]

• NetGenics, Inc.

• Network Technologies Inc.

• NETZSCH Instruments, Inc.

• NewAge Industries Inc.

• Newark Wire Cloth Company

• New Brunswick Scientific

• New England Affiliated Technologies

• New England Photoconductor Corp.

• Newport Electronics, Inc.

• NEYTECH[No URL available; Tel: (800) 426-8834]

• NICA International Corporation[No URL available; Tel: (972) 234-6612]

• Nicholson Steam Trap, Inc.[No URL nor telephone availabel]

• Nicolet Instrument Corporation

• Nikon Inc.[No URL available; Tel: (516) 547-8500]

• Niles Research Corporation

• Nilfisk-Advance American, Inc.

• NIR Publications

• Noesis Vision

• NORAN Instruments Inc.

• Nordion International, Inc.[No URL available; Tel: (613) 592-2790]

• Nor-Lake Scientific

• Nortech Fibronic Inc.

• Northview Laboratories, Inc.[No URL available; Tel: (847) 564-8181]

• Northwest Kinetics, LLC[No URL available; Tel: (253) 593-5304]

• Northwest Analytical, Inc.

• NOW Technologies, Inc.

• NSG Precision Cells, Inc.[No URL available; Tel: (516) 249-8575]

• NSI Environmental Solutions, Inc.[No URL available; Tel: (800) 234-7837]

• NUAIRE Inc.

• Nuclear Associates