Business Emporium: Vocabulary quizzes, tests and ESL Business lessons for intermediate and advanced levels. Help with T.O.E.I.C (Test Of English in International Communication).
ETS.org: Site devoted to the Test of English for International Communication (TOEIC). This test used to measure the ability of nonnative English-speaking people to use English in everyday work activities.
Ohio University.edu: English Language Tests. Here is a page full of useful links to information, preparation and practice for standard tests such as TOEFL, TOEIC, TSE etc., as well as tips and strategies to pass them with ease.