"Oklahoma" in business.

ZYMETX INC

ZINK JOHN S

ZENA ENERGY L.L.C.

ZATINA THOMAS A

ZARROW SCOTT F

YOUNG GARY W

YOUNG FRANK B JR

Yorktown Financial Holdings, Inc.

Yorktown Avenue Capital, LLC

INTERNATIONAL CAVITATION TECHNOLOGIES INC

YAPANDA SOFTWARE CORP

XPEDIAIR, INC.

Whiskey Bay Gas Company, Ltd.

Whiskey Bay Gathering Company, Ltd.

WHISENHUNT CLINT K

WHEATLEY TXT CORP

WESTWOOD CORP/NV/

Westwind Investment Fund, LLC

Crusader Energy Group Inc.

Westhawk Minerals LLC

WESTGATE INVESTMENTS L P

WESTGATE CAPITAL CO LLC

ATOMIC BURRITO INC

Western Atlantic Producing Properties Fund I,

WEST OKC HIGHLANDPOINTE ASSOCIATES LLC

WERRIES E DEAN

WENDLAND HEIDI M

WENDLAND MICHAEL D

WELLS NELSON & ASSOCIATES, L.L.C.

WellQuest of Tulsa, LLC