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- Geo-Graf, Inc.
- Kennett Square
Specializes in performing nonintrusive subsurface investigations using ground penetrating radar, electromagnetics, magnetics, and radio frequencies.
www.geo-graf.com
- Biology > Biotechnology
- ViroPharma
- Exton
Engaged in the discovery and development of proprietary antiviral pharmaceuticals.
www.viropharma.com
- Chemistry > Environmental Laboratories@
- Engineering@
- Instruments
- Dynatherm Analytical Instruments, Inc.
- Kelton
Automated thermal desorption and sample preparation instrumentation.
www.dynatherm.com
- Structure Probe, Inc.
- West Chester
Manufactures and distributes sample preparation equipment and supplies used in electron microscopy and microanalysis laboratories.
www.2spi.com
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