During its thirty-three year history, it gained international acclaim for its innovative programming. Under the leadership of Caldwell, the company staged the American premieres of such operas as Arnold Schoenberg's Moses and Aron, Sergei Prokofiev's War and Peace, Hector Berlioz' Les Troyens and Benvenuto Cellini, Luigi Nono's Intolleranza, Alban Berg's Lulu, and Roger Sessions' Montezuma.
Some of the company's "home" theaters were the Donnelly Theater (now demolished), the Shubert Theatre, MIT's Kresge Auditorium, the Cyclorama, the Tufts University Field House, and the Orpheum Theater. In 1980, they acquired the Boston Opera House. A touring arm was called Opera New England *
The company closed in 1991.