O & P Construction Co., Inc

O'rourke Dist. Co., Inc

O. H. Hiett Interest, Inc

Oak Hill Energy, L.L.C

Oaktree Financial Services, Inc

Oates Industries, Inc

Objectwin Technology, Inc

Oceaneering International, Inc

Oceanonics, Inc

Odyssey Resource Management Iii, Inc

Off Duty Services, Inc

Office Sales And Service, Inc

Office West Realty Company

Ogre Fund I, Lp

Oh| Naturelle, Inc

Oil States Industries, Inc

Oil States Management, Inc

Oilfield Marine, Inc

Ojt, Inc. (withdrew)

Oklahoma Metal Processing Company, Inc