Bureau of Industry and Security (BIS/BXA)
Federal Bureau of Investigation (FBI)
Financial Crimes Enforcement Network(FinCEN)
Local Law Enforcement
State Attorney General
State Bureau of Investigation
The Social Security Office of Inspector General
U.S. Postal Service
U.S. Secret Service

Fraud & Identity Theft:

Federal Trade Commission - ID Theft Center
Free Annual Credit Report
Identity Theft Resource Center
Internet Crime Complaint Center
Privacy Rights
Social Security Numbers by state
US Postal Service Address Verification

National Credit Reporting Agencies:

Equifax
Experian
Fair Isaac Company
Merchants Credit Bureau
Trans Union

Regulatory Agencies:

Federal Deposit Insurance Corporation
Federal Financial Institutions Examination Council
Federal Trade Commission's (FTC)
Financial Action Task Force on Money Laundering(FATF)
Office of Foreign Assets Control (OFAC)
Office of the Comptroller of the Currency
Office of Thrift Supervision