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Contact Information

Publication Inquiries5

Institute for Defense Analyses
4850 Mark Center Drive
Alexandria, Virginia 22311-1882

If you are seeking a copy of an IDA publication, please note that documents approved for public release by our sponsors may be available through two government repositories:

The Defense Technical Information Center (DTIC), U.S. Department of Defense. Access to DTIC is available for DoD and federal government personnel and contractors who have accounts with DTIC.

The National Technical Information Service (NTIS), U.S. Department of Commerce. NTIS is the "open" repository for U.S. and international information on science, technology, engineering, and business.

Systems and Analyses Center...5

Institute for Defense Analyses
Systems and Analyses Center

4850 Mark Center Drive
Alexandria, Virginia 22311-1882

STPI Contact Information5

Science and Technology Policy Institute
1701 Pennsylvania Ave., NW
Suite 500
Washington, DC 20006

Vendor Information5

IDA issues subcontracts for selected technical services as well as for the procurement of many goods and services. We competitively award subcontracts when possible and would like to include your business in our database. We have an aggressive Small Business Program and seek any and all qualified small businesses to fulfill our subcontracting requirements and meet our client's needs.

To send us information and qualifications of your company, please complete our online registration form, or feel free to email

Media Inquiries5

Herman Phillips
Manager, Corporate Communication

IDA Corporate Offices and
Systems and Analyses Center

Systems and Analyses Center

Visiting IDA STPI

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The Institute for Defense Analyses' Headquarters facilities and its Systems and Analyses Center FFRDC are located at 4850 Mark Center Drive in Alexandria, Virginia. 

Security Requirements—Visitors and Clearance 

Visit letters passing clearance information should be faxed to 703-845-2588 (nonsecure fax).

If you are sending a visit letter electronically, the IDA SMO Code is 7A2934. To verify receipt of a visit letter, call 703-845-2000 or 703-845-6900.