Visit us

Visit Requests

We are located at 325 Bob Heath Drive.

All visitors to dB must have a Visit Authorization Letter (VAL) on file. JPAS is our preferred method for visitor control and our SMO code is 3B2J24.

For those who cannot send via JPAS, please fax VAL as follows:

  • Name, address, and phone number of the sending organization (if contractor - please include CAGE code and facility clearance level.)
  • Point of contact
  • Visitor's full name, date and place of birth, social security number, citizenship, personnel clearance level and any special access briefings
  • Date(s) of visit
  • Purpose of visit
  • Contract number

Your VAL should be addressed and faxed to the following address:

deciBel Research, Inc.
325 Bob Heath Drive
Huntsville, AL 35806
Attn: Visitor Control

Fax: (256) 716-0797
Verify: (256) 489-6120