1.   CCI is a leading provider of cellular phone service in Ohio.

2.   Netcom On-Line Communications, the leading provider of Internet access to consumers, was hit especially hard.

3.   BellSouth is at loggerheads with MFS Communications, a leading provider of alternative phone service to business customers that is now branching into residential service.

4.   Borowsky is attracted to bonds of companies such as MFS Communications Co., a leading provider of local and long-distance telephone services to large businesses.

5.   ADT is the leading U.S. provider of electronic home and office security services.

6.   Affymetrix, based in Santa Clara, Calif., is the leading provider of such chips, which are also called microarrays.

7.   But Comcast is hardly the leading content provider.

8.   But it succeeded last year in acquiring BBN Corp. of Cambridge, Mass., a leading Internet service provider.

9.   But Microsoft is the leading provider of application software for the Macintosh, with programs like Word and the Excel spreadsheet.

10.   Checkfree, a leading provider of electronic payment services, calls its solution E-Bill.