Advertising and Business and 2 other

Owner

WILLIAMS COMMUNICATIONS, INC

—

Transportation and storage

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Computer and Scientific

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Building Construction and Repair and 3 others

Owner

WILLIAMS COMMUNICATIONS, INC.

Aug 28, 2001

Building Construction and Repair and 3 others

Owner

WILLIAMS COMMUNICATIONS, INC.

Aug 7, 2001

Advertising and Business

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Jun 12, 2001

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Sep 26, 2000

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Aug 1, 2000

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

May 1, 2001

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Apr 11, 2000

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Feb 22, 2000

Computer and Scientific

Owner

WILLIAMS COMMUNICATIONS, INC.

Mar 7, 2000

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Oct 19, 1999

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Jan 4, 2000

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Jan 11, 2000

Advertising and Business

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Telecommunications and 2 other

Owner

WILLIAMS COMMUNICATIONS, INC.

—

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Feb 15, 2000

Telecommunications

Owner

WILLIAMS COMMUNICATIONS, INC.

Jul 18, 2000