Benchmark Source   -   https://www.benchmarksource.com/index.php

U.S. Treasury   -   http://www.treas.gov/offices/public-affairs/hsa/

Internal Revenue Service   -   http://www.irs.gov/

Social Security Administration   -   http://www.ssa.gov/

National Association of Insurance Commissioners   -   http://www.naic.org/state_contacts/sid_websites.jsp

Center for Medicare & Medicaid Services   -   http://www.cms.hhs.gov/medicarereform/CCguidances.asp

Carriers

BlueCross BlueShield of North Carolina   -   www.bcbsnc.com
BlueCross BlueShield of South Carolina   -   www.bcbssc.com
CIGNA Healthcare   -   www.cigna.com
Guardian Life Insurance Company   -   www.glic.com
United Healthcare   -   www.uhc.com
WellPath   -   www.wellpathonline.com