"Oklahoma" in business.

Oasis Pipe Line CO Texas L.P.

Oasis Partner CO

OAK HILLS SECURITIES, INC.

OAK HILLS PRIVATE EQUITY FUND LLC

O-Tex Investment Fund, LLC

O-Tex Investments 2008 LLC

O&K ORENSTEIN & KOPPEL INC

North Plains Resources LLC

North Beach Development LLC

Norman Specialty Hosptial LLC

NorAm Petroleum, L.L.C.

noodleStream.com, LLC

NOMAC SERVICES LLC

NOMAC DRILLING LLC

Nomac 100 Corp

Nomac Acquisition, Inc.

NOBLE SAMUEL ROBERTS FOUNDATION INC

NOARK Energy Services, LLC

NITRO PETROLEUM INC.

NIAGARA FALLS SUPER DUPER INC

NGL Energy Partners LP

NGL Energy Holdings LLC

NG CITY INVESTORS LLC

NEXT Well Services, LLC

Newmeister John S

NEWMAN MARC W

NEWMAN DOUGLAS A

TRONOX INC

NEW YORK BAGEL ENTERPRISES INC

New Source Energy Partners L.P.