| Entity Common Code |
Entity Prop |
Entity Name |
Effective Date |
540802826 |
802,826
|
38 OIL & GAS, L.L.C.
|
8/1/2003
|
827521337 |
801,137
|
3TEC ENERGY CORPORATION
|
10/1/2001
|
155272347 |
3,841
|
A W TIPKA OIL & GAS INC.
|
5/1/1993
|
087834086 |
802,897
|
ABACO OPERATING, LLC
|
5/1/2004
|
793077439 |
801,153
|
ABARTA OIL & GAS CO., INC.
|
12/1/2001
|
088482898 |
340
|
ABRAXAS PETROLEUM CORPORATION
|
1/1/1999
|
194884441 |
800,944
|
ACACIA NATURAL GAS CORPORATION
|
7/1/1999
|
109006858 |
100,100
|
ACADIAN GAS PIPELINE SYSTEM
|
5/1/1993
|
189049187 |
802,999
|
ACCENT ENERGY MIDWEST GAS L.L.C.
|
8/1/2005
|
059091384 |
801,002
|
ACN POWER, INC.
|
2/1/2000
|
540802961 |
802,961
|
ACOCK ANAQUA OPERATING CO, LP
|
2/1/2005
|
T00000500 |
500
|
ACOMA OIL CORPORATION
|
2/1/1999
|
093524127 |
800,967
|
ADAMS RESOURCES MARKETING, LTD.
|
10/1/1999
|
127161370 |
100,150
|
ADAMSVILLE CITY OF
|
5/1/1993
|
T00000678 |
678
|
ADOBE ENERGY INC.
|
2/1/1999
|
T00000680 |
680
|
ADOBE GAS MARKETING CO
|
2/1/1999
|
118233191 |
802,825
|
ADVANTAGE ENERGY, INC.
|
8/1/2003
|
614535904 |
733
|
AEDC (USA) INC
|
5/1/1993
|
008227738 |
800,749
|
AEP ENERGY SERVICES, INC.
|
9/1/1997
|
095634957 |
802,899
|
AEP GAS MARKETING LP
|
6/1/2004
|
540803955 |
803,955
|
AFFILIATED HOLDINGS INC.
|
10/1/2007
|
151744414 |
725,070
|
AFG INDUSTRIES INC
|
5/1/1993
|
605118157 |
762
|
AGF DIRECT GAS SALES INC.
|
5/1/1993
|
038906900 |
802,724
|
AIG ENERGY INC.
|
2/10/2003
|
T00010000 |
1,000
|
AIKINS & OWEN
|
2/1/1999
|
T00800475 |
800,475
|
AIM PIPELINE LLC
|
8/30/2001
|
606072130 |
800,676
|
AK STEEL CORPORATION
|
4/1/1997
|
611613415 |
16,366
|
AKRON, CITY OF
|
5/2/1993
|
835409681 |
1,601
|
ALBERTA NORTHEAST GAS LIMITED
|
5/1/1993
|
069643062 |
130,500
|
ALC PARTNERS
|
5/1/1993
|
614340404 |
1,604
|
ALCAN ALUMINUM CORPORATION
|
5/1/1993
|
148728470 |
100,300
|
ALCOA, INC.
|
1/1/1999
|
006951446 |
1,705
|
ALGONQUIN GAS TRANSMISSION COMPANY
|
5/1/1993
|
T00711360 |
711,360
|
ALGOOD TOWN OF
|
2/1/1999
|
808433630 |
803,965
|
ALIEF CAPITAL, LLC
|
11/1/2007
|
104225979 |
800,975
|
ALL POWER CORP
|
11/1/1999
|
106438018 |
801,061
|
ALLEGHENY ENERGY SUPPLY COMPANY, LLC
|
8/1/2000
|
026352310 |
803,048
|
ALLEGHENY LUDLUM CORPORATION
|
1/1/2006
|
363499745 |
803,044
|
ALLEGIANT ENERGY GROUP, LP
|
1/1/2006
|
618587257 |
802,231
|
ALLEGRO DEVELOPMENT CORP.
|
2/1/2007
|
045246071 |
800,416
|
ALLEGRO INVESTMENTS, INC.
|
1/1/1995
|
004598517 |
801,091
|
ALLENERGY GAS & ELECTRIC MKTING CO., LLC
|
1/1/2001
|
135266901 |
802,834
|
ALLENERGY GAS MARKETING CO. NEW YORK LLC
|
9/1/2003
|
945786424 |
800,567
|
ALLENERGY MARKETING COMPANY, INC.
|
3/1/2002
|
135271083 |
802,835
|
ALLENERGY NEW YORK COMPANY LLC
|
9/1/2003
|
877369348 |
800,059
|
ALLIANCE GAS SERVICES INC.
|
12/1/1998
|
809787513 |
800,924
|
ALLIANCE PIPELINE L.P.
|
12/1/2000
|
540802932 |
802,932
|
ALLIANT ENERGY GENERATION INC.
|
10/1/2004
|
146214908 |
803,957
|
ALLIED ENERGY RESOURCES CORPORATION
|
11/1/2007
|
065385296 |
1,870
|
ALLIED SIGNAL INC
|
5/1/1993
|
965582265 |
1,920
|
ALMA ENERGY CORP
|
5/1/1993
|
789982782 |
802,833
|
ALPINE RESOURCES, INC.
|
9/1/2003
|
196442768 |
1,962
|
ALTA MESA RESOURCES INC
|
5/1/1993
|
949058382 |
800,254
|
ALTRA STREAMLINE, L.L.C.
|
3/14/1996
|
036398394 |
800,557
|
ALTRADE TRANSACTION, L.L.C.
|
5/1/2000
|
194624748 |
1,996
|
AMAGAS RESOURCES INC
|
5/1/1993
|
126762087 |
1,997
|
AMALGAMATED PIPELINE CO
|
5/1/1993
|
604792791 |
803,945
|
AMBIT ENERGY, L.P.
|
9/1/2007
|
047880133 |
800,599
|
AMERAC ENERGY CORPORATION
|
9/1/1996
|
931086149 |
802,940
|
AMEREN ENERGY FUELS AND SERVICES COMPANY
|
12/1/2004
|
003522724 |
800,820
|
AMEREN ENERGY, INC.
|
6/1/1998
|
966851875 |
800,781
|
AMEREN SERVICES COMPANY
|
12/1/1997
|
T00800937 |
800,937
|
AMEREN, CIPS
|
7/1/1999
|
797606431 |
800,756
|
AMERICAN CENTRAL ENERGY LLC
|
3/1/2002
|
T00002135 |
2,135
|
AMERICAN CENTRAL GAS COMPANIES INC
|
2/1/1999
|
157476813 |
2,137
|
AMERICAN CENTRAL GAS MARKETING CO
|
5/1/1993
|
023861875 |
802,830
|
AMERICAN COASTAL ENERGY, INC.
|
8/1/2003
|
T00002116 |
2,116
|
AMERICAN COMETRA INC
|
2/1/1999
|
T00800298 |
800,298
|
AMERICAN ELECTRIC POWER SERVICE CORP.
|
2/1/1999
|
106944622 |
800,470
|
AMERICAN ENERGY MANAGEMENT, INC.
|
6/1/1995
|
074156233 |
2,119
|
AMERICAN FLOW MEASUREMENT
|
9/1/1993
|
623626731 |
803,859
|
AMERICAN GAS SUPPLY (HEARTLAND), LTD.
|
7/1/2006
|
796347446 |
803,926
|
AMERICAN GAS SUPPLY, LP
|
6/1/2007
|
606581916 |
102,123
|
AMERICAN HUNTER ENERGY
|
5/1/1993
|
T00800441 |
800,441
|
AMERICAN MAIZE - PRODUCTS DECATUR INC.
|
2/1/1999
|
105687560 |
802,849
|
AMERICAN MUNICIPAL POWER - OHIO, INC.
|
10/1/2003
|
043368596 |
2,155
|
AMERICAN PIPELINE COMPANY
|
9/1/2001
|
154189989 |
2,167
|
AMERICAN STEEL & WIRE CORP
|
5/1/1993
|
070572912 |
802,809
|
AMERICAN SUGAR REFINING, INC.
|
6/1/2003
|
059339689 |
2,173
|
AMERICAN TRADING & PRODUCTION CORP
|
5/1/1993
|
807127758 |
802,764
|
AMERICAN UTILITIES CORPORATION
|
12/1/2002
|
015553639 |
800,713
|
AMERIENERGY, INC.
|
5/1/1997
|
015395973 |
800,538
|
AMKOR NATURAL GAS COMPANY
|
1/1/1999
|
194624391 |
2,210
|
AMTEX GAS AND MINERALS INC
|
5/1/1993
|
001317171 |
93,110
|
ANADARKO E&P COMPANY LP
|
8/13/2002
|
199116823 |
2,323
|
ANADARKO ENERGY SERVICES COMPANY
|
3/11/1997
|
783263080 |
802,265
|
ANADARKO GATHERING COMPANY
|
8/1/2003
|
026409797 |
2,324
|
ANADARKO PETROLEUM CORPORATION
|
5/1/1993
|
177586641 |
2,251
|
ANAQUA OIL & GAS INC
|
5/1/1993
|
807786769 |
801,188
|
ANDERSON EXPLORATION CO., INC.
|
5/1/2002
|
T00100800 |
100,800
|
ANGELLE, WARNER J
|
2/1/1999
|
166887351 |
802,920
|
ANGLO-SUISSE OFFSHORE PARTNERS, LLC
|
9/1/2004
|
006958581 |
101,000
|
ANR PIPELINE COMPANY
|
5/1/1993
|
092454453 |
803,948
|
ANR STORAGE CO.
|
10/1/2007
|
T00002428 |
2,428
|
ANTHEM ENERGY CO
|
2/1/1999
|
006961551 |
2,438
|
APACHE CORPORATION
|
2/1/1999
|
T00002441 |
2,441
|
APACHE DRILLING
|
2/1/1999
|
T00002433 |
2,433
|
APC OPERATING PARTNERSHIP
|
2/1/1999
|
877932293 |
800,537
|
APEX OIL & GAS, INC.
|
1/1/1996
|
007941537 |
803,037
|
APPALACHIAN POWER COMPANY
|
1/1/2006
|
048318133 |
2,900
|
AQUA GLASS CORP
|
5/1/1993
|
161446109 |
800,790
|
AQUILA DALLAS MARKETING, L.P.
|
4/17/2001
|
174976175 |
800,085
|
AQUILA ENERGY CORPORATION
|
2/1/1999
|
788072502 |
3,012
|
AQUILA ENERGY RESOURCES CORPORATION
|
5/1/1993
|
840015150 |
800,414
|
AQUILA ENERGY TRANSPORTATION CORPORATION
|
2/1/1999
|
085510092 |
802,728
|
AQUILA LONG TERM, INC.
|
10/1/2002
|
785958422 |
3,010
|
AQUILA MERCHANT SERVICES, INC.
|
3/1/2002
|
157455536 |
3,013
|
AQUILA SOUTHWEST MARKETING, L.P.
|
1/1/1998
|
003048738 |
801,085
|
AQUILA STORAGE AND TRANSPORTATION, L.P.
|
12/1/2000
|
006966055 |
801,414
|
AQUILA, INC.
|
3/1/2003
|
146240937 |
802,891
|
ARAGON OIL COMPANY, L.L.C.
|
4/1/2004
|
T00003081 |
3,081
|
ARAN ENERGY CORPORATION
|
2/1/1999
|
T00800465 |
800,465
|
ARANSAS PETROLEUM CO.
|
2/1/1999
|
803154574 |
802,771
|
ARAPAHO COMMUNICATIONS, INC
|
1/1/2003
|
883489593 |
800,614
|
ARAXAS ENERGY CORPORATION
|
10/1/1996
|
T00003085 |
3,085
|
ARBCO INC
|
2/1/1999
|
808344766 |
800,611
|
ARCADIA ENERGY CORPORATION
|
10/1/1996
|
001307586 |
800,884
|
ARCHER DANIELS MIDLAND COMPANY
|
3/1/1999
|
806136417 |
803,942
|
ARCLIGHT ENERGY MARKETING, LLC
|
9/1/2007
|
037765781 |
3,140
|
ARCO OIL & GAS COMPANY
|
2/1/1999
|
119309909 |
801,133
|
ARENA ENERGY, LLC
|
9/1/2001
|
131086030 |
802,823
|
ARENA OFFSHORE, LLC
|
7/1/2003
|
118638142 |
804,006
|
ARK-LA-TEX ENERGY, LLC
|
6/1/2008
|
T00003197 |
3,197
|
ARMOUR RESOURCE HOLDINGS LTD
|
2/1/1999
|
123787249 |
802,855
|
AROC (TEXAS), INC.
|
11/1/2003
|
787434687 |
800,350
|
ARROW MEASUREMENT INC. (CXY)
|
8/1/1994
|
101655608 |
803,847
|
ASCENT OPERATING, LP
|
5/1/2006
|
193580115 |
3,245
|
ASHER RESOURCES, LLP
|
4/1/1994
|
188758874 |
3,290
|
ASHLAND EXPLORATION INC
|
5/1/1993
|
T00003295 |
3,295
|
ASHLAND GAS MARKETING INC
|
2/1/1999
|
616761458 |
3,312
|
ASHLAND PETROLEUM, DIV. OF ASHLAND INC.
|
1/1/1999
|
042417030 |
3,299
|
ASHLAND TOWN OF MISS
|
5/1/1993
|
005003264 |
800,833
|
ASHLANDCHEM.ENERGYSVCS.DIV.OFASHLANDINC.
|
7/1/1998
|
556221844 |
3,301
|
ASHLAWN ENERGY INC
|
1/1/1999
|
187570890 |
3,370
|
ASHTON ENERGY CO
|
1/1/1999
|
867733735 |
802,925
|
ASPECT ENERGY, LLC
|
9/1/2004
|
054077672 |
801,651
|
ASSOCIATED ELECTRIC COOPERATIVE, INC.
|
12/1/2003
|
178564183 |
3,393
|
ASSOCIATED NATURAL GAS INC
|
1/1/1999
|
101985930 |
801,191
|
ASTORIA GENERATING CO. L.P.
|
5/1/2002
|
807094305 |
801,184
|
ATASCA RESOURCES, INC.
|
4/1/2002
|
T00800477 |
800,477
|
ATCHAFALAYA MEASUREMENT INC.
|
2/1/1999
|
T00003451 |
3,451
|
ATG ENVIRONMENTAL RESOURCES INC
|
2/1/1999
|
077656221 |
800,026
|
ATHENS ALABAMA UTILITY CITY OF
|
5/1/1993
|
789351640 |
3,478
|
ATHENS TENNESSEE UTILITIES BOARD
|
5/2/1993
|
006924708 |
3,595
|
ATLANTA GAS LIGHT CO
|
5/1/1993
|
945433118 |
800,604
|
ATLANTA GAS LIGHT SERVICES, INC.
|
4/7/1998
|
783026453 |
3,625
|
ATLAS GAS MARKETING INC
|
5/1/1993
|
540802759 |
802,759
|
ATLAS PIPELINE PENNSYLVANIA LLC
|
12/1/2002
|
622316842 |
113,630
|
ATLAS PRODUCTION SERVICE
|
5/1/1993
|
038960944 |
3,627
|
ATLAS RESOURCES INC
|
5/1/1993
|
108203241 |
3,630
|
ATMOS ENERGY CORPORATION
|
5/1/1993
|
T00154500 |
154,500
|
ATMOS ENERGY CORPORATION (KY)
|
10/1/2002
|
613205723 |
149,900
|
ATMOS ENERGY CORPORATION (LA)
|
4/25/2005
|
006964415 |
135,100
|
ATMOS ENERGY CORPORATION (MS)
|
4/1/2005
|
093153468 |
150,600
|
ATMOS ENERGY CORPORATION (TN)
|
10/1/2002
|
128507998 |
131,750
|
ATMOS ENERGY MARKETING (LA)
|
5/1/2005
|
835705831 |
96,567
|
ATMOS ENERGY MARKETING, LLC
|
10/2/2003
|
826183287 |
800,628
|
ATP OIL & GAS CORPORATION
|
12/1/1996
|
131717837 |
3,649
|
AUBURN ENTERPRISES INC
|
5/1/1993
|
T00101750 |
101,750
|
AUGUSTINE, MAURICE
|
2/1/1999
|
930875104 |
801,071
|
AURES ENERGY, L.L.C.
|
3/15/2001
|
805610482 |
800,242
|
AURORA NATURAL GAS, LLC
|
9/15/1995
|
124540944 |
802,792
|
AUX SABLE LIQUID PRODUCTS LP
|
3/1/2003
|
008256364 |
800,047
|
AVERY DENNISON CORPORATION
|
9/1/2001
|
015180698 |
800,760
|
AVISTA ENERGY, INC.
|
10/1/1997
|
121422893 |
3,840
|
AVIVA AMERICA INC
|
5/1/1993
|
T00003920 |
3,920
|
B & P OIL COMPANY
|
2/1/1999
|
137573796 |
3,929
|
B T OPERATING COMPANY
|
5/1/1993
|
006461206 |
800,647
|
B.E.P. PARTNERS 1992 #1
|
1/1/1999
|
540803986 |
803,986
|
BABY OIL, INC
|
2/1/2008
|
T00008850 |
8,850
|
BACA EXPLORATION INC
|
2/1/1999
|
075080978 |
3,943
|
BADGER OIL CORPORATION
|
12/1/1998
|
T00003938 |
3,938
|
BAKER, HAROLD D
|
2/1/1999
|
137022034 |
102,250
|
BALDWYN CITY OF
|
5/1/1993
|
932446388 |
4,015
|
BALTIMORE GAS AND ELECTRIC COMPANY
|
5/1/1993
|
T00800708 |
800,708
|
BANKERS TRUST COMPANY
|
2/1/1999
|
210021531 |
802,980
|
BARCLAYS BANK PLC
|
4/1/2005
|
T00800596 |
800,596
|
BARGO ENERGY COMPANY
|
2/1/1999
|
T00801064 |
801,064
|
BARRETT BROTHERS OIL & GAS, INC.
|
8/1/2000
|
789429115 |
800,796
|
BASIN EXPLORATION, INC. (DELAWARE)
|
1/1/1998
|
008948440 |
800,835
|
BASS ENTERPRISES PRODUCTION CO.
|
7/1/1998
|
008046245 |
5,500
|
BASS, PERRY R TRUSTEE
|
5/1/1993
|
086941077 |
102,500
|
BATESVILLE CITY OF
|
5/1/1993
|
069340214 |
102,700
|
BAY STATE GAS COMPANY
|
2/1/1999
|
614875115 |
803,857
|
BAYOU CITY EXPLORATION, INC
|
7/1/2006
|
102655560 |
102,550
|
BAYOU INTERSTATE PIPELINE SYSTEM
|
5/1/1993
|
797177201 |
67,100
|
BAYOU INTRASTATE GAS COMPANY
|
5/15/1997
|
110831344 |
800,763
|
BAYOU PIPELINE COMPANY
|
11/1/1998
|
540803023 |
803,023
|
BBPC, LLC D/B/A ENHANCED ENERGY SERVICES
|
11/1/2005
|
965863715 |
802,852
|
BBPC, LLC D/B/A GREAT EASTERN ENERGY
|
10/1/2003
|
808164859 |
802,322
|
BEACON PETROLEUM MANAGEMENT, INC.
|
5/1/2003
|
108329079 |
801,114
|
BEAR CREEK STORAGE COMPANY
|
5/1/2001
|
608461807 |
803,022
|
BEAR ENERGY LP
|
4/6/2006
|
T00102750 |
102,750
|
BECK, D W
|
2/1/1999
|
T00102800 |
102,800
|
BECKENDORFF, MELTON (MR)
|
2/1/1999
|
879439719 |
801,005
|
BEDFORD COUNTY UTILITY DISTRICT
|
6/15/2004
|
T00007000 |
7,000
|
BEEM OIL AND GAS INC
|
2/1/1999
|
052628984 |
801,059
|
BELCO ENERGY CORP.
|
8/1/2000
|
T00800631 |
800,631
|
BELCO OPERATING CORPORATION
|
2/1/1999
|
066054776 |
7,062
|
BELDEN & BLAKE CORPORATION
|
5/1/1993
|
004468690 |
801,193
|
BELDEN BRICK COMPANY, THE
|
7/1/2002
|
804896645 |
7,081
|
BENDER ENERGY INC.
|
5/1/1993
|
T00007087 |
7,087
|
BENGAIL, INC.
|
2/1/1999
|
120830997 |
800,271
|
BENJAMIN SCHLESINGER AND ASSOCIATES, INC
|
9/1/2001
|
T00103000 |
103,000
|
BENOIT, J H (MR)
|
2/1/1999
|
148565443 |
802,838
|
BENTEK ENERGY LLC
|
9/1/2003
|
006955587 |
103,250
|
BERKSHIRE GAS COMPANY THE
|
5/1/1993
|
048259027 |
800,911
|
BERKSHIRE POWER COMPANY, L.L.C.
|
4/1/1999
|
784112588 |
803,869
|
BERYL OIL AND GAS LP
|
5/23/2007
|
621834576 |
804,016
|
BERYL RESOURCES LP
|
8/1/2008
|
T00007135 |
7,135
|
BETA OPERATING
|
2/1/1999
|
001339092 |
7,155
|
BETHLEHEM STEEL CORPORATION
|
12/17/2001
|
057027021 |
800,776
|
BETTIOL FUEL SERVICE, INC.
|
11/1/1997
|
043806595 |
7,200
|
BETTIS, BOYLE & STOVALL INC
|
5/1/1993
|
148565419 |
800,469
|
BEXCO OPERATING, INC.
|
6/1/1995
|
621216428 |
803,055
|
BG ENERGY MERCHANTS, LLC
|
3/1/2006
|
031219129 |
802,807
|
BG LNG SERVICES, LLC
|
6/1/2003
|
006783021 |
8,170
|
BHP BILLITON PETROLEUM (AMERICAS) INC.
|
9/27/2001
|
T00008172 |
8,172
|
BIENVILLE GAS MARKETING INC
|
2/1/1999
|
004780763 |
8,000
|
BIG 6 DRILLING COMPANY
|
5/1/1993
|
005778985 |
803,008
|
BIG APPLE ENERGY, LLC
|
10/1/2005
|
958828923 |
802,881
|
BIG LAKE CORPORATION
|
3/1/2004
|
143635113 |
802,876
|
BIG RIVER RESOURCES, LLC
|
3/1/2004
|
T00354540 |
354,540
|
BIG SANDY GAS CORPORATION
|
2/1/1999
|
026640946 |
28,080
|
BILL FENN INCORPORATED
|
6/15/2004
|
012643763 |
8,160
|
BILL H. PEARL PRODUCTION INC
|
5/1/1993
|
007938004 |
8,305
|
BIRDWELL OIL COMPANY
|
6/1/1997
|
020802232 |
802,942
|
BISHOP ENERGY SERVICES, LLC
|
12/1/2004
|
098881634 |
801,122
|
BISHOP PETROLEUM INC.
|
7/1/2001
|
T00103270 |
103,270
|
BISHOP PIPELINE CORP
|
2/1/1999
|
035638993 |
801,021
|
BISON ENERGY PARTNERS, INC.
|
3/1/2000
|
012051697 |
804,002
|
BLACK ELK ENERGY OFFSHORE OPERATIONS, LL
|
5/1/2008
|
808787659 |
800,219
|
BLACK HILLS ENERGY RESOURCES, INC.
|
12/1/1998
|
166766985 |
802,918
|
BLACKHAWK RESOURCES LLC
|
9/1/2004
|
009808379 |
103,500
|
BLACKSTONE GAS CO
|
1/1/1999
|
131683799 |
8,899
|
BLACKWATER NATURAL GAS CORP
|
5/1/1993
|
065053048 |
802,993
|
BLAKENERGY, LTD.
|
7/1/2005
|
098423106 |
8,790
|
BLEDSOE ENERGY CORPORATION
|
5/1/1993
|
T00018902 |
18,902
|
BLUEGRASS ENERGY GROUP INC.
|
2/1/1999
|
614844186 |
803,998
|
BLUEROCK ENERGY, INC
|
4/1/2008
|
065093965 |
8,901
|
BOCK AND BACON INC
|
5/1/1993
|
T00800941 |
800,941
|
BOIS D'ARC OFFSHORE LTD
|
7/1/1999
|
T00008887 |
8,887
|
BOIS D'ARC OPERATING CORPORATION
|
2/1/1999
|
030418982 |
104,000
|
BOLIVAR CITY OF
|
5/1/1993
|
T00800889 |
800,889
|