Financial Accounting Standards Board
The designated private sector organization in the U.S. that establishes financial accounting and reporting standards. FASB standards are recognized as authoritative by the U.S. Securities and Exchange Commission and the American Institute of Certified Public Accountants.
http://www.fasb.org/
U.S. Environmental Protection Agency Accounting Project
Its mission is to encourage and motivate businesses to understand the full spectrum of their environmental costs and integrate those costs into decision making.
http://www.epa.gov/opptintr/acctg/
U.S. Securities and Exchange Commission
The SEC is the agency responsible for administering federal securities laws in the U.S.
http://www.sec.gov/