1975年 美國証劵交易委員會（SEC）認可穆迪公司、標準普爾、惠譽國際為「全國認定嘅評級組織」（NRSRO， Nationally Recognized Statistical Rating Organization）。
In 1975, the United States Securities and Exchange Commission (SEC) recognized Moody's Corporation, Standard & Poor's, and Fitch International as "Nationally Recognized Statistical Rating Organization" (NRSRO).