"Virginia" in business.

Yorktown Management & Research Co Inc

YORKTOWN DISTRIBUTORS, INC.

YORKE A JONES

YOHO DAVID A REVOCABLE TRUST

YoBucko, Inc.

Yield Pool, L.P.

YELLOWBRIX INC

YEH SHI LIN

YEARY JO ELLEN DIEHL

YATES EDWARD S III

YANO FRANCIS H

YAMPA RIVER VILLAGE LLC

YALEN RICHARD

YaSabe, Inc.

Y & Q Investment Fund, L.P.

XYBERNAUT CORP

XTONE, INC

XRG INC

XO Virginia, LLC

XO Services, Inc.

XO NS, Inc

XO Nevada Merger Sub, Inc.

XO International, Inc.

XO International Holdings, Inc.

XO Interactive, Inc.

XO Communications Services, Inc.

XO Communications LLC

XO Asia LTD

Xerxes Capital Corp.

Xenith Corp