December 2006, the Cambridge Information Group (CIG) bought the unit of ProQuest called ProQuest Information and Learning (which included UMI).
Cambridge | University of Cambridge | Cambridge University | Cambridge, Massachusetts | Universal Music Group | Warner Music Group | Coxeter group | Prince William, Duke of Cambridge | Cambridge University Press | Volkswagen Group | Group of 77 | RTL Group | Catherine, Duchess of Cambridge | Cambridge University R.U.F.C. | King's College, Cambridge | girl group | BT Group | ABB Group | Group One | Information Technology | Virgin Group | Cambridge University Cricket Club | United States Information Agency | Thales Group | ING Group | group | Emmanuel College, Cambridge | Rio Tinto Group | Information technology | St John's College, Cambridge |