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Contact Us About Prospective Applicant and Pre-Application Engagement

Questions about licensing or you would like to make a pre-application engagement request?

If you are located in:
Alabama, Connecticut, Delaware, District of Columbia, Florida, Georgia, Kentucky, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, Tennessee, Vermont, Virginia, Virgin Islands, or West Virginia:

Licensing Assistance Team
Division of Radiological Safety and Security
U.S. Nuclear Regulatory Commission, Region I
475 Allendale Road, Suite 102
King of Prussia, PA  19406-1415
R1DRSSMail.Resource@nrc.gov

If you are located in:
Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, or Wisconsin:

Materials Licensing Branch
Division of Radiological Safety and Security
U.S. Nuclear Regulatory Commission, Region III
2056 Westings Ave., Suite 400
Naperville, IL 60563-2657
R3-DRSSMail.Resource@nrc.gov

If you are located in:
Alaska, Arizona, Arkansas, California, Colorado, Hawaii, Idaho, Kansas, Louisiana, Mississippi, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, Pacific Trust Territories, South Dakota, Texas, Utah, Washington, or Wyoming.

Materials Licensing Branch
U.S. Nuclear Regulatory Commission, Region IV
1600 E. Lamar Boulevard
Arlington, TX 76011-4511
R4licensing@nrc.gov

For Sealed Source and Device Registrations or Exempt Distribution licenses:

Material Safety and Licensing Branch 
Division of Materials Safety, Security, State, and Tribal Programs 
Two White Flint North
11545 Rockville Pike
Rockville, MD 20852-2738
LBLicensingAssistant.Resource@nrc.gov

Page Last Reviewed/Updated Friday, February 06, 2026

Page Last Reviewed/Updated Friday, February 06, 2026