S

S.F. Group
Saba Petroleum Co.
Saber Energy Corp.
Sable Minerals Inc.
Sage Energy Co.
Sahara Enterprises Inc.
Sakura Bank Ltd.
Samedan Oil Corp.
Samson Cos.
Samson Resources
Samuel Gary Jr. & Associates Inc.
San Saba Resources
Sandefer Capital Partners
Sanguine Ltd.
Santa Fe Natural Resources Inc.
Santa Fe Snyder Corp.
Santos Americas & Europe Corp.
Saunders Karp & Co. LP.
Savant Energy Corp.
Scana Exploration Co.
Scavenger Oil Co. Inc.
Schrodor Wertheim Investment Services Co.
Scope Operating Co.
Scott, Douglas, and Luton
Sea Dragon Energy Inc.
Seagull Energy E & P Inc.
Selection Oil Ltd.
Sembgas PTE. Ltd.
Seneca Resources Corp.
Serious Fraud Office
Severgazprom Ltd.
Shale Exploration Holdings Ltd.
Sharon Resources Inc.
SHDD Inc.
Shelby Resources LLC.
Shell International
Shenandoah Energy Inc.
Shore Oil Co.
Shoshone and Arapahoe Tribes
Sibir Energy PLC.
Sierra Mineral Development LC.
Sigma Energy Corp.
Silver Butte Petroleum Inc.
Simmons Santa Barbara Ltd.
Single Tree Resources Inc.
Sintez Corp.
SK E & P Co.
Sklar & Philips Oil Co.
Slate River Resources Inc.
Smith Offshore Exploration Co.
Snyder Oil Corp.
Sojitz Energy Venture Inc.
Solex Energy Co. Inc.
Somerset Exploration Corp.
Sonoran Energy (Jordan) Ltd.
South Coast Exploration Co.
South Dabaa Petroleum Co.
South River Oil & Gas
Southern Minerals Corp.
Southern Star Energy Inc.
Southwestern Energy Production
Spirit Energy 76
Spooner Petroleum Co.
Standard Ventures LLC.
Stanley Energy Inc.
Star Acquisition Corp. LLC.
Starlight Corp.
State of California Public Utilities Commission
Statoil Energy Inc.
StatoilHydro
Stellarton Energy Corp.
Sterling Energy Inc.
Stingray Pipeline Co.
Stone & Webster Management Co.
Stone Energy Corp.
Stonetex Oil Corp.
Strand Energy LC.
Stratic Energy Corp.
Strike Oil Ltd.
STT and Energy LC.
Sue-Ann Production Co.
Sun Bank
Suncor Energy Inc.
Sunoma Energy Corp.
Swan Hills Energy Ltd. Partnership
Swift & Co.
Swiss Bank Corp.
SA Oil and Gas Corp.
Sabco Oil and Gas Corp.
Sabine Hub Services Inc.
Saga Petroleum LLC.
Sago Energy LLC.
Sahara Oil & Gas Co.
Salomon Brothers Inc.
Samek International
Samson Lone Star LLC.
Samsung Corp.
San Saba Energy LP.
Sanchez Oil & Gas Corp.
Sands Oil Co.
Santa Fe Minerals Inc.
Santa Fe Petroleum LLC.
Santander Investment
Santos Ltd.
Savage Resources LLC.
Savoy Energy Inc.
Scana Petroleum Resources Inc.
Schlumberger
Scimitar Hydrocarbons Corp.
Scott and Whitehead
Scout Exploration Inc.
Seacrest Co. LLC.
Segundo Navarro Drilling Inc.
Sembawang Gas Pte. Ltd. (Sembgas)
Seneca Energy Canada Inc.
Serendipity Exploration Corp.
Seven Seas Petroleum Inc.
SGS Limited Partnership
Shamrock Holdings
Sharpe Energy Co.
Sheffield Exploration Co. Inc.
Shell Canada Resources Ltd.
Shell Offshore Inc.
Sheridan Production Co. LLC.
Shoreline Exploration Co. Inc.
SHV Oil and Gas Co.
Sidanco
Sierra Production Co.
Signalta Resources Ltd.
Silver North Co. Ltd.
Sinclair Oil Corp.
Sinopec
Sioux Pointe Inc.
Skadden, Arps, Slate, Meagher
Slam Resources Inc.
Smith Energy Co.
SMK Energy Corp.
Soco International Inc.
Sole Energy Co. LLC.
SOLV EX Corp.
Sonat Exploration Co.
South American Investments Inc.
South Coast Oil Corp.
South Padre Gas Partners LP.
Southeast Alabama Gas District
Southern Pacific Petroleum U.S.A.
Southwest Royalties Inc.
Sowood Commodity Partners Fund
Spitfire Exploration Ltd.
St. Mary Land & Exploration Co.
Stanford Energy Corp.
Stanolind Oil & Gas Corp.
Star Energy Corp.
Starway Capital Advisors LLC.
State of New Mexico
Statoil Exploration (US) Inc.
Stealth Oil Corp.
Stephens Natural Gas
Steve Skrivanos Engineering Inc.
Stolt Offshore Inc.
Stone and Webster Oil Co. Inc.
Stonebridge Merchant Capital Corp.
Strader Hallett & Co.
Strand Partners
Stratum Group LP.
STS-Service LLP.
Subsurface Consultants
Suelopetrol
Sunburst Exploration Inc.
Sundance Energy Inc.
Sunstone Energy
Swanson Oil & Gas Inc.
Swift Energy Co.
Synergy Oil and Gas Inc.