AERA ENERGY; MC KITTRICK, CALIFORNIA 93251; 661-762-7386

AERA ENERGY; FELLOWS, CALIFORNIA 93224; 661-768-3100

AERA ENERGY; TAFT, CALIFORNIA 93268; 661-768-4424

AERA ENERGY; TAFT, CALIFORNIA 93268; 661-768-4576

AERA ENERGY; BAKERSFIELD, CALIFORNIA 93311; 661-769-8512

AERA ENERGY; MARICOPA, CALIFORNIA 93252; 661-769-8784

AERA ENERGY; LOST HILLS, CALIFORNIA 93249; 661-797-7100

AERA ENERGY LLC; MARICOPA, CALIFORNIA 93252; 661-769-2100

AMERICAN DRILLING CO; SANTA MONICA, CALIFORNIA 90401; 310-319-3515

ASPEN EXPLORATION CORP; BAKERSFIELD, CALIFORNIA 93309; 661-831-4669

ATLANTIC OIL CO; SUTTER, CALIFORNIA 95982; 530-755-0279

ATLANTIC OIL CO; BAKERSFIELD, CALIFORNIA 93307; 661-845-0187

AXIS PETROLEUM CO; SIGNAL HILL, CALIFORNIA 90806; 562-424-8240

BERRY OIL CO; TAFT, CALIFORNIA 93268; 661-769-8811

BERRY PETROLEUM CO; TAFT, CALIFORNIA 93268; 661-769-8820

BFGW-MANLEY OIL CO; LOS ANGELES, CALIFORNIA 90012; 213-628-9255

CAPCO RESOURCE CORP; BAKERSFIELD, CALIFORNIA 93306; 661-872-5302

CENECA CORP; LOST HILLS, CALIFORNIA 93249; 661-797-2222

CHEVRON CORP; SAN RAMON, CALIFORNIA 94583; 925-842-1000

CHEVRON LOS BANOS PUMP STATION; LOS BANOS, CALIFORNIA 93635; 209-826-4300

COMMANDER OIL CO LTD; VALENCIA, CALIFORNIA 91355; 661-259-9339

CRIMSON RESOURCE MANAGEMENT; BAKERSFIELD, CALIFORNIA 93309; 661-837-8506

CRIMSON RESOURCE MANAGEMENT BV; TAFT, CALIFORNIA 93268; 661-765-5160

CRIMSON RESOURCE MGMT CORP; LA HABRA, CALIFORNIA 90631; 562-697-7603

CRUTCHER TUFTS CORP; BAKERSFIELD, CALIFORNIA 93309; 661-835-1894

DBM OIL CO; LONG BEACH, CALIFORNIA 90807; 562-424-0447

DOMINGUEZ ENERGY; COMPTON, CALIFORNIA 90220; 310-638-7791

DRILLING & PRODUCTION CO; TORRANCE, CALIFORNIA 90501; 310-328-2405

DRILLING & PRODUCTION CO; MARICOPA, CALIFORNIA 93252; 661-769-8314

ELLIOTT-TEN EYCK LTD; LONG BEACH, CALIFORNIA 90803; 562-439-9141

EMJAYCO KERN BLUFF; BAKERSFIELD, CALIFORNIA 93388; 661-872-5147

EXXON CO USA; MC KITTRICK, CALIFORNIA 93251; 661-762-7383

GLENCO OIL CO; GLENDALE, CALIFORNIA 91203; 818-239-3900

GLOBAL OIL; WILMINGTON, CALIFORNIA 90744; 562-432-6421

GOTLAND OIL INC; LOST HILLS, CALIFORNIA 93249; 661-762-7351

HALLADOR PETROLEUM CO; NEW CUYAMA, CALIFORNIA 93254; 661-766-2501

HELLMAN PROPERTIES; SEAL BEACH, CALIFORNIA 90740; 562-431-6022

HERLEY-KELLEY CO; LONG BEACH, CALIFORNIA 90807; 562-424-2523

HILTON PETROLEUM LTD; BAKERSFIELD, CALIFORNIA 93309; 661-861-0600

HOYT ENERGY; LONG BEACH, CALIFORNIA 90814; 562-433-3069

INDEPENDENT OIL PRODUCERS; BAKERSFIELD, CALIFORNIA 93309; 661-833-3989

INTERNATIONAL OIL CORP; FRESNO, CALIFORNIA 93705; 559-224-9965

J A ASSOCIATES; LOS ANGELES, CALIFORNIA 90017; 310-281-9726

J FRED MUELLER OIL CO; BURBANK, CALIFORNIA 91502; 626-449-6447

KELT OIL & GAS INC; TORRANCE, CALIFORNIA 90503; 310-328-3962

KOCH INDUSTRIES INC; TAFT, CALIFORNIA 93268; 661-765-4087

MAGNESS PETROLEUM CO; WILMINGTON, CALIFORNIA 90744; 310-830-3240

MANLEY OIL CO; LOS ANGELES, CALIFORNIA 90012; 213-628-5674

MARLYN CO; BAKERSFIELD, CALIFORNIA 93306; 661-871-4955

MAXOIL INC; GLENDALE, CALIFORNIA 91201; 818-240-3580

MOBIL PIPELINE STATION; VALENCIA, CALIFORNIA 91355; 661-259-3424

MOBILE OIL CORP MIDWAY PUMP; FELLOWS, CALIFORNIA 93224; 661-768-9219

NAFTEX OPERATING CO; LOS ANGELES, CALIFORNIA 90067; 310-277-9004

NANA OIL & GAS INC; MILL VALLEY, CALIFORNIA 94941; 415-383-3158

OCCIDENTAL OIL & GAS CORP; LOS ANGELES, CALIFORNIA 90024; 310-208-8800

OCCIDENTAL OF ELK HILLS INC; TUPMAN, CALIFORNIA 93276; 661-763-6000

O'DONNELL OIL CO; WILMINGTON, CALIFORNIA 90744; 310-830-8301

OIL OPERATORS INC; SIGNAL HILL, CALIFORNIA 90806; 562-424-2451

OIL-FIELD ASSOC; SIGNAL HILL, CALIFORNIA 90807; 562-595-9035

ONESTA CORP; LOS ANGELES, CALIFORNIA 90067; 310-553-0355

PACIFIC ENERGY RESOURCES; LONG BEACH, CALIFORNIA 90802; 562-436-6566

PAN WESTERN PETROLEUM CO; SIGNAL HILL, CALIFORNIA 90806; 562-595-6696

PEARSON-SIBERT OIL CO; BEVERLY HILLS, CALIFORNIA 90212; 323-272-8724

QEC INC; WOODLAND HILLS, CALIFORNIA 91364; 818-225-5000

SAPET DEVELOPMENT CORP; LONG BEACH, CALIFORNIA 90802; 562-983-7430

SENECA RESOURCES CORP; FELLOWS, CALIFORNIA 93224; 661-768-4381

SEQUOIA EXPLORATION INC; BAKERSFIELD, CALIFORNIA 93309; 661-845-9358

SHELL CO; LONG BEACH, CALIFORNIA 90806; 562-426-7191

SPECTRUM OIL; BAKERSFIELD, CALIFORNIA 93309; 661-835-5938

ST JAMES OIL CORP; LOS ANGELES, CALIFORNIA 90007; 213-746-1385

STEELE PETROLEUM CO; ARVIN, CALIFORNIA 93203; 661-858-2524

STOCKER RESOURCES INC; MONTEBELLO, CALIFORNIA 90640; 562-699-2281

TERMCO CO; LONG BEACH, CALIFORNIA 90807; 562-426-5316

TERMO CO; LONG BEACH, CALIFORNIA 90807; 562-595-7401

TERMO CO OAK CANYON FIELD OFC; CASTAIC, CALIFORNIA 91384; 661-257-8995

TERRA EXPLORATION; CULVER CITY, CALIFORNIA 90232; 310-558-1128

TEXACO INC; SEAL BEACH, CALIFORNIA 90740; 562-430-3941

TEXACO INC; LOST HILLS, CALIFORNIA 93249; 661-762-8247

TEXACO INC; MC KITTRICK, CALIFORNIA 93251; 661-762-8287

TEXACO INC; FELLOWS, CALIFORNIA 93224; 661-768-3238

TEXACO INC; FELLOWS, CALIFORNIA 93224; 661-768-4314

TIDELAND OIL PRODUCTION CO; LONG BEACH, CALIFORNIA 90813; 562-436-1153

TIDELAND OIL PRODUCTION CO; LONG BEACH, CALIFORNIA 90802; 562-436-8770

TIDELANDS OIL PRODUCTION CO; LONG BEACH, CALIFORNIA 90802; 562-436-9918

TIDELANDS OIL PRODUCTION CO; LONG BEACH, CALIFORNIA 90802; 562-437-4885

TITAN ENERGY INC; MONTEBELLO, CALIFORNIA 90640; 323-728-5096

TORCH OPERATING CO; FELLOWS, CALIFORNIA 93224; 661-763-5171

TOSCO REFINING CO; SANTA FE SPRINGS, CALIFORNIA 90670; 562-906-7500

TRACY PETROLEUM CORP; PASADENA, CALIFORNIA 91101; 626-578-1735

TRC OPERATING CO; FELLOWS, CALIFORNIA 93224; 661-768-4677

TRI-VALLEY CORP; BAKERSFIELD, CALIFORNIA 93309; 661-837-9300

TRI-VALLEY OIL & GAS CO; BAKERSFIELD, CALIFORNIA 93309; 661-837-9300

UNOCAL PIPELINE CO; SANTA FE SPRINGS, CALIFORNIA 90670; 562-944-5525

VENOCO INC; BEVERLY HILLS, CALIFORNIA 90212; 310-277-7157

VENOCO INC; WHITTIER, CALIFORNIA 90601; 562-699-2185

VENOCO INC; WHITTIER, CALIFORNIA 90601; 562-699-7554

VICTORY OIL CO; TAFT, CALIFORNIA 93268; 661-765-4181

VINTAGE PETROLEUM INC; BAKERSFIELD, CALIFORNIA 93313; 661-827-9143

WEST HILLS OIL; COALINGA, CALIFORNIA 93210; 559-935-1687

WHITTIER PIPELINE CORP; WHITTIER, CALIFORNIA 90601; 562-692-5516