The Six Sigma Institute (SSI) is a non-profit making professional body. Its primary objective is to accredit Lean and Six Sigma professionals with recognized knowledge and skills in this application science. SSI is the first and leading institution offer public training, personal and corperate accreditation on Six Sigma, Lean and TOC. To promote the application of Six Sigma methodologies, the SSI also work closely with universities, colleges and professional bodies in organizing Six Sigma courses or events and assists a number of public and private institutions having in-house training.
六式碼學會 (SSI) 是一個非營利性的專業機構。 其主要目標是審核及認證精益和六式碼專業人士，在該應用科學方面具有公認的知識和技能。 SSI 是第一家提供關於六式碼、精益和 TOC 的公開培訓、個人和企業認證的領先機構。 為促進 6 Sigma 方法的應用，SSI 還與大學、學院和專業團體密切合作，組織 6 Sigma 課程或活動，並協助許多公共和私人機構進行內部培訓。