Ulterra Drilling Technologies, L.P.

Ultram Well Stimulation and Servicing, Inc.

Ultrasonic Energy Corporation

UMA Ltd.

Umashankar Korada

Umphries Donald V.

Underground Surveys Corporation

Underwood Jerry

Underwood Larry B.

Underwood Porter

Underwood Thomas L.

Ungchusri Tep

Ungemach Pierre

Unger Michael A

Unger Vernon E.

Uniflo Resources, Inc.

Univar Corporation

Universal Enrivonmental Technologies, Inc.

University of Colorado Foundation Inc.

University of Pittsburgh - of the Commonwealth of Higher Educati