Agouron Institute
American Association of Petroleum Geologists
Baker Hughes Foundation
Blackbaud Giving Fund BP
Corporation North America, Inc.
BP Foundation, Inc.
Canadian Institute for Advanced Research
Chesapeake Energy Corporation
Chevron Corporation
Chevron Products Company
ConocoPhilips
Corsica Research, Inc.
ExxonMobil Corporation
ExxonMobil Exploration Co.
ExxonMobil Foundation, Inc.
Fidelity Investments Charitable Gift Fund
GDL Foundation
GE Foundation Groundwater & Environmental Services, Inc.
Haliburton Foundation, Inc.
Hess Corporation
Knopf Family Foundation, Inc.
Noble Energy, Inc
Occidental Petroleum Corporation Paleontological Society
RBC Foundation
Rosetta Resources, Inc.
Schlumberger Technology Corporation
Schwab Fund for Charitable Giving
Shell Oil Company
Shell Oil Company Foundation
Symantec Corporation
Verizon Foundation
Wells Fargo Foundation