The American Institute of CPAs (AICPA):
AICPA, the world's largest member association representing the accounting profession sets ethical standards, auditing standards and develops the CPA Exam. (From website)
The American Institute of CPAs: Audit and Attest Standards, Including Clarified Standards
The standards are applicable to the preparation and issuance of audit reports for nonissuers (that is, entities who are not issuers as defined by the Sarbanes-Oxley Act, and entities whose audits are not required to be conducted according to the PCAOB standards).
Federal Accounting Standards Advisory Board (FASAB):
Promulgates accounting principles for federal government reporting entities. Provides access to publications, newsletters, minutes and meeting agendas. (From website)
Financial Accounting Standards Board (FASB):
The designated private sector organization in the U.S. that establishes financial accounting and reporting standards. (From website)
Governmental Accounting Standards Board (GASB):
It is an independent, private-sector organization based in Norwalk, Connecticut, that establishes accounting and financial reporting standards for U.S. state and local governments that follow Generally Accepted Accounting Principles (From website).
Securities and Exchange Commission (SEC):
The mission of the SEC is to protect investors; maintain fair, orderly, and efficient markets; and facilitate capital formation. The SEC strives to promote a market environment that is worthy of the public's trust. (From website)