| CENTURION PIPELINE L.P. | | | environmental violation | 2011 | $39,000 |
| COVE POINT LNG LIMITED PARTNERSHIP | | | environmental violation | 2013 | $15,000 |
| CYPRESS INTERSTATE PIPELINE LLC | | | environmental violation | 2011 | $65,000 |
| DAKOTA GASIFICATION COMPANY | | | environmental violation | 2011 | $19,300 |
| ENMARK ENERGY INC | | | environmental violation | 2013 | $20,000 |
| FLORIDA GAS TRANSMISSION CO | | | environmental violation | 2010 | $95,000 |
| GAS RECOVERY SYSTEMS LLC | | | environmental violation | 2011 | $27,800 |
| HARBOR PIPELINE CO | | | environmental violation | 2012 | $100,000 |
| IROQUOIS GAS CORP | | | environmental violation | 2012 | $8,700 |
| KPC PIPELINE LLC | | | environmental violation | 2011 | $65,000 |
| NATURAL GAS PIPELINE CO OF AMERICA (KMI) | | | environmental violation | 2012 | $122,700 |
| NEPTUNE LNG LLC | | | environmental violation | 2013 | $13,700 |
| NIPPON OIL EXPLORATION USA LIMITED | | | environmental violation | 2011 | $17,800 |
| PIPELINES OF PUERTO RICO INCD THE | | | environmental violation | 2011 | $20,000 |
| PIPELINES OF PUERTO RICO INCD THE | | | environmental violation | 2012 | $8,700 |
| PLANTATION PIPE LINE CO | | | environmental violation | 2013 | $57,600 |
| ROSE ROCK MIDSTREAM L.P. | | | environmental violation | 2013 | $75,300 |
| SEA ROBIN PIPELINE CO | | | environmental violation | 2011 | $10,300 |
| SOUTHEAST SUPPLY HEADER LLC | | | environmental violation | 2011 | $174,500 |
| SOUTHEAST SUPPLY HEADER LLC | | | environmental violation | 2011 | $26,800 |
| SOUTHERN NATURAL GAS CO | | | environmental violation | 2011 | $72,900 |
| SOUTHERN STAR CENTRAL GAS PIPELINE INC | | | environmental violation | 2011 | $25,300 |
| SOUTHERN STAR CENTRAL GAS PIPELINE INC | | | environmental violation | 2012 | $6,200 |
| TAMPA AIRPORT PIPELINE CORPORATION | | | environmental violation | 2012 | $77,400 |
| TAMPA AIRPORT PIPELINE CORPORATION | | | environmental violation | 2013 | $26,800 |
| TAMPA BAY PIPELINE CO. | | | environmental violation | 2012 | $66,100 |
| TAMPA BAY PIPELINE CO. | | | environmental violation | 2013 | $55,300 |
| TPM INC | | | environmental violation | 2010 | $63,410 |
| TRANSCOLORADO PIPELINE CO. | | | environmental violation | 2014 | $33,100 |
| TREETOP MIDSTREAM SERVICES LLC | | | environmental violation | 2013 | $20,000 |
| WEST SHORE PIPELINE CO | | | environmental violation | 2013 | $26,300 |
| WEST TEXAS GULF PIPELINE CO | | | environmental violation | 2010 | $405,000 |
| ARLINGTON STORAGE COMPANY LLC | | | environmental violation | 2015 | $15,800 |
| WEST TEXAS GULF PIPELINE CO | | | environmental violation | 2015 | $141,000 |
| SINCLAIR TRANSPORTATION COMPANY | | | environmental violation | 2015 | $34,200 |
| KIANTONE PIPELINE CORP | | | environmental violation | 2015 | $22,600 |
| SOUTHERN NATURAL GAS CO | | | environmental violation | 2009 | $5,000 |
| CYPRESS INTERSTATE PIPELINE LLC | | | environmental violation | 2009 | $133,000 |
| OLYMPIC PIPE LINE COMPANY | | | environmental violation | 2009 | $23,000 |
| ALYESKA PIPELINE SERVICE CO | | | environmental violation | 2009 | $27,000 |
| TRANS-UNION INTERSTATE PIPELINE L.P. | | | environmental violation | 2009 | $16,000 |
| ENSTAR NATURAL GAS CO | | | environmental violation | 2009 | $21,500 |
| PLANTATION PIPE LINE CO | | | environmental violation | 2009 | $155,000 |
| PLANTATION PIPE LINE CO | | | environmental violation | 2009 | $5,000 |
| ENABLE MISSISSIPPI RIVER TRANSMISSION LLC | | | environmental violation | 2008 | $71,000 |
| BRIDGEMARK CORP | | | environmental violation | 2008 | $5,000 |
| RIO VISTA ENERGY PARTNERS LP | | | environmental violation | 2008 | $60,000 |
| TOTAL PEAKING SERVICES | | | environmental violation | 2008 | $46,300 |
| AMERICAN MIDSTREAM (MIDLA) LLC | | | environmental violation | 2007 | $70,000 |
| MIDWEST GAS STORAGE INC. | | | environmental violation | 2007 | $10,000 |
| ARC TERMINALS | | | environmental violation | 2007 | $7,500 |
| PACIFIC OPERATORS OFFSHORE | | | environmental violation | 2007 | $10,000 |
| BRIDGER PIPELINE LLC | | | environmental violation | 2007 | $100,000 |
| ASIG - HONOLULU | | | environmental violation | 2006 | $5,000 |
| BELLE FOURCHE PIPELINE CO | | | environmental violation | 2006 | $41,500 |
| TAMPA BAY PIPELINE CO. | | | environmental violation | 2006 | $71,500 |
| KIANTONE PIPELINE CORP | | | environmental violation | 2006 | $23,000 |
| LINN WESTERN OPERATING INC | | | environmental violation | 2006 | $5,000 |
| WOLVERINE PIPELINE CO | | | environmental violation | 2006 | $11,750 |
| ALYESKA PIPELINE SERVICE CO | | | environmental violation | 2006 | $20,000 |
| BELLE FOURCHE PIPELINE CO | | | environmental violation | 2006 | $50,000 |
| DAKOTA GASIFICATION COMPANY | | | environmental violation | 2006 | $6,000 |
| TAMPA AIRPORT PIPELINE CORPORATION | | | environmental violation | 2006 | $6,000 |
| CYPRESS INTERSTATE PIPELINE LLC | | | environmental violation | 2006 | $325,000 |
| BAYOU CITY PIPELINE INC | | | environmental violation | 2006 | $20,000 |
| NAVAJO NATION OIL AND GAS COMPANY | | | environmental violation | 2006 | $5,000 |
| ENSTAR NATURAL GAS CO | | | environmental violation | 2006 | $8,000 |
| PIPELINES OF PUERTO RICO INCD THE | | | environmental violation | 2006 | $12,000 |
| SOUTHERN STAR CENTRAL GAS PIPELINE INC | | | environmental violation | 2006 | $295,000 |
| PIPELINES OF PUERTO RICO INCD THE | | | environmental violation | 2006 | $17,500 |
| NATURAL GAS PIPELINE CO OF AMERICA (KMI) | | | environmental violation | 2006 | $9,500 |
| KENTUCKY - WEST VIRGINIA GAS CO | | | environmental violation | 2006 | $23,400 |
| NORTENO PIPELINE COMPANY | | | environmental violation | 2006 | $27,500 |
| EQUITRANS INC | | | environmental violation | 2006 | $86,000 |
| LINK ENERGY PIPELINE LIMITED PARTNERSHIP | | | environmental violation | 2005 | $50,000 |
| DESTIN PIPELINE COMPANY LLC | | | environmental violation | 2005 | $38,250 |
| DISTRIGAS OF MASSACHUSETTS LLC | | | environmental violation | 2005 | $24,000 |
| AMERICAN MIDSTREAM (MIDLA) LLC | | | environmental violation | 2005 | $70,000 |
| TOTAL PEAKING SERVICES | | | environmental violation | 2005 | $30,000 |
| EQUITRANS INC | | | environmental violation | 2005 | $5,000 |
| ALYESKA PIPELINE SERVICE CO | | | environmental violation | 2005 | $17,500 |
| BOIS DARC OFFSHORE LTD | | | environmental violation | 2005 | $50,000 |
| KPC PIPELINE LLC | | | environmental violation | 2005 | $83,750 |
| RIO VISTA ENERGY PARTNERS LP | | | environmental violation | 2005 | $5,000 |
| OLYMPIC PIPE LINE COMPANY | | | environmental violation | 2005 | $500,000 |
| AMERICAN MIDSTREAM (ALATENN) LLC | | | environmental violation | 2004 | $17,000 |
| VENOCO INC | | | environmental violation | 2004 | $9,000 |
| NATURAL GAS PIPELINE CO OF AMERICA (KMI) | | | environmental violation | 2004 | $30,500 |
| WESTERN GAS INTERSTATE CO | | | environmental violation | 2004 | $10,000 |
| LINK ENERGY PIPELINE LIMITED PARTNERSHIP | | | environmental violation | 2004 | $90,000 |
| ST SERVICES(FORMERLY STANDARD TRANSPIPE) | | | environmental violation | 2004 | $330,250 |
| DESTIN PIPELINE COMPANY LLC | | | environmental violation | 2004 | $15,000 |
| ALYESKA PIPELINE SERVICE CO | | | environmental violation | 2004 | $45,000 |
| RIO VISTA ENERGY PARTNERS LP | | | environmental violation | 2004 | $10,000 |
| OVERTHRUST CORP | | | environmental violation | 2004 | $5,000 |
| ALYESKA PIPELINE SERVICE CO | | | environmental violation | 2003 | $62,500 |
| EQUITRANS INC | | | environmental violation | 2003 | $10,000 |
| VENOCO INC | | | environmental violation | 2003 | $46,500 |
| KENTUCKY - WEST VIRGINIA GAS CO | | | environmental violation | 2003 | $15,000 |
| PACIFIC COAST ENERGY COMPANY LP | | | environmental violation | 2003 | $12,000 |
| ENSTAR NATURAL GAS CO | | | environmental violation | 2003 | $10,000 |
