In 1973 he founded Qume, which soon became the fastest growing small company in the United States. Five years after its founding, Qume was acquired by ITT at a premium and Lee took an important position at ITT.
他在一九七三年成立奎茂公司，一度是全美成長最快的小公司，五年後奎茂以優異的價格被美國大廠 ITT 購併，李信麟也出任 ITT 重要職務。