Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

Nov 12, 2002

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

Mar 25, 2003

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

Mar 19, 2002

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

Jan 23, 2001

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

Jan 23, 2001

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Advertising and Business

Owner

FOCAL COMMUNICATIONS CORPORATION

Oct 9, 2001

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

Feb 20, 2001

Advertising and Business

Owner

FOCAL COMMUNICATIONS CORPORATION

Jan 16, 2001

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

Jan 23, 2001

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

Jul 9, 2002

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Telecommunications

Owner

FOCAL COMMUNICATIONS CORPORATION

—

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

Jun 8, 1999

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

Jan 23, 2001
FOCAL

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

Jan 23, 2001
FOCAL COMMUNICATIONS CORPORATION

Telecommunications and 2 other

Owner

FOCAL COMMUNICATIONS CORPORATION

Jan 23, 2001