AUBURN ENERGY; OLNEY, ILLINOIS 62450; 618-395-7073

BALDWIN & BALDWIN; LAWRENCEVILLE, ILLINOIS 62439; 618-943-5155

BALDWIN DON; FLAT ROCK, ILLINOIS 62427; 618-584-3680

BARGE-WAY OIL CO; ELMHURST, ILLINOIS 60126; 630-834-1119

BELDEN ENTERPRISES LP; ST ELMO, ILLINOIS 62458; 618-829-3274

BELL BROTHERS; ROBINSON, ILLINOIS 62454; 618-544-2157

BEN ORRELL OIL PRODUCERS; CASEY, ILLINOIS 62420; 217-932-5301

BEN-DAR OIL CO; ST ELMO, ILLINOIS 62458; 618-829-5142

BERNARD PODOLSKY OIL CO; FAIRFIELD, ILLINOIS 62837; 618-842-2105

BFB OIL INC; EDGEWOOD, ILLINOIS 62426; 618-238-4278

BFB OIL INC; FLORA, ILLINOIS 62839; 618-662-4000

BI-PETRO INC; SPRINGFIELD, ILLINOIS 62707; 217-726-9500

BOOTH BROTHERS INC; FLORA, ILLINOIS 62839; 618-662-3631

BOOTH OIL CO; FLORA, ILLINOIS 62839; 618-662-4713

BOOTH RESOURCES INC; FLORA, ILLINOIS 62839; 618-662-4955

BREHM OIL; MT VERNON, ILLINOIS 62864; 618-242-4620

CLARK OIL & REFINING; OAK FOREST, ILLINOIS 60452; 708-687-1780

CLARK OIL & REFINING; COUNTRY CLUB HILLS, ILLINOIS 60478; 708-798-6327

CLARK OIL & REFINING; JOLIET, ILLINOIS 60435; 815-722-2697

COLLINS BROTHERS OIL CO; FAIRFIELD, ILLINOIS 62837; 618-842-4877

COVINGTON OIL & GAS; MATTOON, ILLINOIS 61938; 217-258-6663

DE MIER OIL CO; MT VERNON, ILLINOIS 62864; 618-242-1096

DE MIER OIL CO; MC LEANSBORO, ILLINOIS 62859; 618-643-3712

DEDICA ENERGY CORP; MATTOON, ILLINOIS 61938; 217-235-9191

DENNIS HALLAM OIL CO; FAIRFIELD, ILLINOIS 62837; 618-842-7074

DMF INC; MT VERNON, ILLINOIS 62864; 618-755-4950

DON BALDWIN BIRD'S YARD; LAWRENCEVILLE, ILLINOIS 62439; 618-928-2400

ELYSIUM ENERGY; CLAY CITY, ILLINOIS 62824; 618-395-7600

EQUINOX OIL CO; MT ERIE, ILLINOIS 62446; 618-854-2236

EXCEL ENERGY CO; SPRINGFIELD, ILLINOIS 62704; 217-544-1667

EXTEX; ST ELMO, ILLINOIS 62458; 618-829-5777

EXXON MOBIL; CHANNAHON, ILLINOIS 60410; 815-423-5571

FARRAR OIL CO; MT VERNON, ILLINOIS 62864; 618-242-1717

FINKS OIL CO; SALEM, ILLINOIS 62881; 618-548-3003

FRIEND OIL CO; FAIRFIELD, ILLINOIS 62837; 618-842-9161

HENIGMAN OIL CO INC; MARTINSVILLE, ILLINOIS 62442; 217-382-4505

HOCKING OIL CO; MT CARMEL, ILLINOIS 62863; 618-263-3258

J W RUDY CO; CLAY CITY, ILLINOIS 62824; 618-676-1616

JARVIS DRILLING INC; DECATUR, ILLINOIS 62521; 217-422-3120

JENKINS OIL CO; FAIRFIELD, ILLINOIS 62837; 618-842-6311

JOHN CAREY OIL CO; MECHANICSBURG, ILLINOIS 62545; 217-364-4497

JONES DRILLING & PRODUCING CO; BARNHILL, ILLINOIS 62809; 618-842-3500

KAUFMAN OIL CO; DECATUR, ILLINOIS 62523; 217-423-1554

KINCAID OIL PRODUCERS INC; FLORA, ILLINOIS 62839; 618-676-1671

KINCAID OIL PRODUCERS INC; MASON, ILLINOIS 62443; 618-686-2010

KNIERIM CO; CASEY, ILLINOIS 62420; 217-932-2222

L C NEELY DRILLING INC; ROBINSON, ILLINOIS 62454; 618-544-2726

LAMAMCO DRILLING CO; CISNE, ILLINOIS 62823; 618-673-2784

LARRABEE OIL CO; ROBINSON, ILLINOIS 62454; 618-592-4664

LAWRENCE OIL CO; MT CARMEL, ILLINOIS 62863; 618-262-4138

LEWIS TREATMENT PLANT; BRIDGEPORT, ILLINOIS 62417; 618-945-7413

LOEB & STEINWACHS; LAWRENCEVILLE, ILLINOIS 62439; 618-943-2818

LOEB HERMAN; LAWRENCEVILLE, ILLINOIS 62439; 618-943-2227

LOVE OIL CO; FAIRFIELD, ILLINOIS 62837; 618-842-2646

MAG TEC INC; NEWTON, ILLINOIS 62448; 618-783-8711

MARION PARTLOW OIL; CASEY, ILLINOIS 62420; 217-932-4091

MAVERICK ENERGY INC; ROBINSON, ILLINOIS 62454; 618-544-7314

MAVERICK OIL CO; METAMORA, ILLINOIS 61548; 309-383-4425

MAX INC; CASEY, ILLINOIS 62420; 217-932-2010

MC KINNEY RON; LOUISVILLE, ILLINOIS 62858; 618-665-3374

MID-CONTINENTAL OIL CORP; TUSCOLA, ILLINOIS 61953; 217-253-3112

MONRAE OIL & GAS LTD; CASEY, ILLINOIS 62420; 217-932-4032

MURPHY OIL USA; STERLING, ILLINOIS 61081; 815-625-7373

OIL PRODUCERS ASSN; SPRINGFIELD, ILLINOIS 62707; 217-546-8988

P M OIL; ST ELMO, ILLINOIS 62458; 618-829-5021

PAWNEE OIL CORP; SPRINGFIELD, ILLINOIS 62702; 217-522-5440

PETCO PETROLEUM CORP; CENTRALIA, ILLINOIS 62801; 618-532-3925

PETCO PETROLEUM CORP; ST ELMO, ILLINOIS 62458; 618-829-3211

PHILLIPS PIPE LINE CO; KANKAKEE, ILLINOIS 60901; 815-932-8923

PINNACLE EXPLORATION CORP; OLNEY, ILLINOIS 62450; 618-395-8100

PINNACLE OIL & GAS INC; SALEM, ILLINOIS 62881; 618-548-4052

PIONEER OIL CO; LAWRENCEVILLE, ILLINOIS 62439; 618-943-5314

PLAINS ILLINOIS INC; BRIDGEPORT, ILLINOIS 62417; 618-945-8600

R & W OIL CO; FLORA, ILLINOIS 62839; 618-662-4523

REPUBLIC OIL CO; FAIRFIELD, ILLINOIS 62837; 618-842-7591

REPUBLIC OIL CO; MT ERIE, ILLINOIS 62446; 618-854-2720

ROBINSON PRODUCTION INC; FAIRFIELD, ILLINOIS 62837; 618-842-6111

ROSS OIL CO; OBLONG, ILLINOIS 62449; 618-592-3808

RUNYAN OIL PRODUCTION INC; NOBLE, ILLINOIS 62868; 618-723-2891

SMITH OIL CO; FLORA, ILLINOIS 62839; 618-662-6458

SMITH OIL CO; LOUISVILLE, ILLINOIS 62858; 618-665-4431

SOUTHERN TRIANGLE OIL CO; MT CARMEL, ILLINOIS 62863; 618-262-4131

ST PIERRE OIL CO; NEWTON, ILLINOIS 62448; 618-783-4441

STARR ENERGY CORP; FLAT ROCK, ILLINOIS 62427; 618-584-3631

STEVENSON OIL CO; CHICAGO, ILLINOIS 60619; 773-651-1000

SWAGER & ASSOC LTD; BRIDGEPORT, ILLINOIS 62417; 618-943-1010

T L CLARK OIL PRODUCERS; BLUFORD, ILLINOIS 62814; 618-732-8717

THORNTON OIL CORP; AURORA, ILLINOIS 60504; 630-820-6468

THREE STAR DRILLING & PRDCNG; SUMNER, ILLINOIS 62466; 618-936-2301

TIPPS CASING PULLING CO; FAIRFIELD, ILLINOIS 62837; 618-847-7986

TIPPS SHARKEY STEAMING & TEST; FAIRFIELD, ILLINOIS 62837; 618-842-4221

TRI STATE EXPLORATION; FLORA, ILLINOIS 62839; 618-662-8947

TRIPLE C OIL; CASEY, ILLINOIS 62420; 217-932-5721

VAUGHAN OIL CO; MC LEANSBORO, ILLINOIS 62859; 618-773-4202

WABASH ENERGY CORP; BRIDGEPORT, ILLINOIS 62417; 618-945-3365

WABASH PRODUCTION; FAIRFIELD, ILLINOIS 62837; 618-847-7401

WALBASH ENERGY CORP-YARD; LAWRENCEVILLE, ILLINOIS 62439; 618-943-2398

WALTER DUNCAN INC; MATTOON, ILLINOIS 61938; 217-234-9752

WARREN WORLD OIL INC; MT CARMEL, ILLINOIS 62863; 618-262-8659

WATCH IT OIL CORP; CLAY CITY, ILLINOIS 62824; 618-676-1730