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- ISR Transducer Div
- ISR Transducer Div
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- James Glass Co
- Jelrus Technical Products Corp
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- JEOL
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- Jesmar Industries
- Johnny's Gauge & Meter Repair
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- Jordan Nuclear Co
- Justice Laboratory Software
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- Kiefer Analytical
- Kimball Physics Inc
- Kinetek Corp
- Kistler Instrument Corp
- Kistler Instrument Corp
- Kla-Pencor
- Kohzu America Inc
- Krackeler Scientific Inc
- L T Industries
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- Lab Recyclers Inc
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- Labco Ms Inc
- Laboratory Optical Co
- Lambda Productions
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- Larry Bell & Assoc
- LBA Inc
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- Mad City Labs Inc
- Mag Tech
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- Malvern Instruments Inc
- Marx Instrument Co
- Maryland Radon Laboratory
- Mc Morrow Scientific Prods Inc
- Measurements International Inc
- Measurenet Technology
- Mechatronics USA
- Metastable Instrument
- Metrigen Inc
- Metro Scientific
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- Michigan Scientific Corp
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- Micro Photonics Inc
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- Microlytic Systems
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- Mid-America Analytical & Co
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- Opti-Sciences Inc
- Optical Analysis Corp
- Optomax Inc
- Optomechanical Enterprises Inc
- Orion Scientific Systems
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- P V Measurements
- Pacific Gyre
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- Pacific Scientific Instrument
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- Particle Metrics Inc
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- Pasco Scientific
- Patticake's Pre-School
- Pegasus Scientific Inc
- Perkin Elmer Instruments
- Perkin-Elmer Corp Chromatgrphy
- Personal Chemistry Inc
- Phoenix Equipment Inc
- Physiologic Instruments Inc
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- Pike Technologies
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- PMS Instrument Co
- Polymer Laboratories Inc
- Precision Analytical Instrmnt
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- PVD Products
- Quadrex Corp
- Quality Lab Accessories
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- Quantron Inc
- Quaracell Prods Inc
- R & D Scientific Corp
- R Shadel Inc
- Radius Medical Tech Inc
- Razel Scientific Instruments
- Recorded Books
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- Reflex Inc
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- Research Instruments Intl
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- Rontec USA Inc
- Roper Associates
- Rumpf Randall
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- Sable Systems Inc
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- Scidynamics
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- Sequenom Inc
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- Stellar Endeavors Inc
- Stress Analysis
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- Waters Corp
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- X-Ray Instrumentation Assoc
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