Digital certificates used to sign documents submitted to The Department of Transportation must be acquired from one of the approved digital Certificate Authorities below and be of a National Institute of Standards and Technology (NIST) assurance level of three (3) or higher.
2600 West Executive Parkway, Suite 500
Lehi, Utah 84043
Two International Drive, Suite 105
Portsmouth, New Hampshire 03801
55 Hawthorne Street, Suite 400
San Francisco, CA 94105
140 West Street
New York, New York 10007
Symantec Federal Shared Service Provider
See GSA Identity Management, Government Identity and Credentials section.