- Abroziak Third Dimension Technologies, Inc.
 - Princeton - DJS Associates, Inc.
- Abington - Full service forensic consulting firm in the areas of engineering, science, computers, accident reconstruction and medicine.
- FrorensicExaminers.com
- Ardmore - Specialising in sexually deviant, coercive, and violent behaviours such as rape, child molestation, sexual homicide, and cyberpornography.
- Geo-Graf, Inc.
- Kennett Square - Specialises in performing nonintrusive subsurface investigations using ground penetrating radar, electromagnetics, magnetics, and radio frequencies.
- Micro Photonics, Inc.
- Allentown - A distributor of instrumentation for scientific and industrial research and quality control.
- Solar Light Company
- Philadelphia - Manufactures radiation measuring instrumentation for the entire spectrum, from UV to IR, as well as ultraviolet radiation sources.
- Tri-State Biomedical, Inc.
- Colmar - Offers sales and service of medical and laboratory equipment including washers, sterilizers, rack washers, autoclaves, and more.
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