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Research & Development Labs Directory


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This Research Laboratories directory includes research lab pages for every State in the USA plus Washington, DC.  Each State and District page lists research and development laboratories located in that State or District, including their company or website names as well as their locations, phone numbers, and website links. 
a microscope and glassware in a research laboratory
Before visiting a research lab listed herein, be sure to check its address, hours of operation, and appointment policy (if any) by visiting its website or contacting it.  The research lab may have moved or no longer be in business, and hours of operation may be irregular.

Each directory listing specifies the County in which the research lab is located as well as the database categories that are relevant to the listing.  Convenient links to adjacent State directories are provided at the bottom of each directory page.

Research & Development Laboratories in each State and Washington, DC

Nationwide Research & Development Laboratories

The following enterprises have offices or other operations in multiple locations; most of them have operations in multiple states.  Many of these large research and development laboratories list their primary office locations on their websites.

Bio-Reference Laboratories Inc
Located in about 3 states.
  • Medical Diagnostic Clinics
  • Medical Diagnostic Services
  • Medical Laboratories
  • Medical Services
  • Laboratories
  • Research and Development Laboratories
  • Testing Laboratories

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Research & Development Laboratories Directory