American Express taps into teleconferencing market. (American Express Information Services Corp.)(Focus: Telecommunications)

American Express taps into teleconferencing market

There is a new competitor in the teleconferencing market - and it's not a telephone company.

American Express Information Services Corp. is offering conference calling services to compete with similar services provided by American Telephone & Telegraph, MCI and other national and regional telephone companies.

Information Services Corp., a unit of American Express, has tapped St. Louis as the headquarters of its teleconferencing operations. The St. Louis teleconferencing center, 1015 Corporate Square in Creve Coeur, opened here in February.

Information Services, created in April 1989, is one …