A five-member Public Company Accounting Oversight Board oversees the audit of public companies, and the SEC oversees the Board.

Public Company Accounting Oversight Board

A nonprofit corporation established by Congress to oversee the audits of public companies to protect the interests of investors and further the public interest in the preparation of informative, accurate, and independent audit reports.

SEC

The U.S. Securities and Exchange Commission, a federal agency responsible for enforcing federal securities laws and regulating the nation's securities industry.