Historically Underutilized Business Zones (HUBZone) for U.S. Department of Homeland Security. This information has recently been updated, and is now available.
http://links.govdelivery.com/track?type=click&enid=bWFpbGluZ2lkPTIwMTEwNTI3LjE0MjUyNjEmbWVzc2FnZWlkPU1EQi1QUkQtQlVMLTIwMTEwNTI3LjE0MjUyNjEmZGF0YWJhc2VpZD0xMDAxJnNlcmlhbD0xMjc2ODUxNDk2JmVtYWlsaWQ9amltdGFrZWRhQGdtYWlsLmNvbSZ1c2VyaWQ9amltdGFrZWRhQGdtYWlsLmNvbSZmbD0mZXh0cmE9TXVsdGl2YXJpYXRlSWQ9JiYm&&&100&&&http://www.dhs.gov/xopnbiz/smallbusiness/gc_1203092868025.shtm