-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, RuJm8y/CZf8Nt/nl9hFhg/1gO5ZGKezrILhpxc8tXH0gbRufUnPQhsxRx1TOdVob z68xe1P6c8mMuuiVFL4fFQ== 9999999995-09-001094.txt : 20090430 9999999995-09-001094.hdr.sgml : 20090430 20090430001516 ACCESSION NUMBER: 9999999995-09-001094 CONFORMED SUBMISSION TYPE: EFFECT PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20090429 DATE AS OF CHANGE: 20090430 EFFECTIVENESS DATE: 20090429 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MARKWEST ENERGY PARTNERS L P CENTRAL INDEX KEY: 0001166036 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 270005456 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883 FILM NUMBER: 09780852 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest PNG Utility LLC CENTRAL INDEX KEY: 0001292416 IRS NUMBER: 300157467 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-17 FILM NUMBER: 09780871 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest PNG Utility LP DATE OF NAME CHANGE: 20040602 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Texas PNG Utility LLC CENTRAL INDEX KEY: 0001292417 IRS NUMBER: 300157468 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-16 FILM NUMBER: 09780870 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest Texas PNG Utility LP DATE OF NAME CHANGE: 20040602 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Blackhawk LLC CENTRAL INDEX KEY: 0001292418 IRS NUMBER: 300157471 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-15 FILM NUMBER: 09780869 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest Blackhawk LP DATE OF NAME CHANGE: 20040602 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest New Mexico LLC CENTRAL INDEX KEY: 0001292419 IRS NUMBER: 300157474 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-19 FILM NUMBER: 09780873 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest New Mexico LP DATE OF NAME CHANGE: 20040602 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Pipeline CO LLC CENTRAL INDEX KEY: 0001315242 IRS NUMBER: 000000000 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-13 FILM NUMBER: 09780867 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest Pipeline CO LP DATE OF NAME CHANGE: 20050124 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Energy East Texas Gas CO LLC CENTRAL INDEX KEY: 0001315262 IRS NUMBER: 201311706 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-12 FILM NUMBER: 09780866 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest Energy East Texas Gas CO LP DATE OF NAME CHANGE: 20050124 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Energy Finance CORP CENTRAL INDEX KEY: 0001315263 IRS NUMBER: 201805917 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-27 FILM NUMBER: 09780881 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Markwest Javelina Pipeline CO LLC CENTRAL INDEX KEY: 0001349174 IRS NUMBER: 382909338 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-10 FILM NUMBER: 09780864 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9278 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: Markwest Javelina Pipeline CO DATE OF NAME CHANGE: 20060109 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Javelina CO LLC CENTRAL INDEX KEY: 0001349175 IRS NUMBER: 760263770 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-11 FILM NUMBER: 09780865 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest Javelina CO DATE OF NAME CHANGE: 20060109 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Energy GP, L.L.C. CENTRAL INDEX KEY: 0001412304 IRS NUMBER: 010636219 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-05 FILM NUMBER: 09780859 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Mason Pipeline LTD Liability CO CENTRAL INDEX KEY: 0001435921 IRS NUMBER: 000000000 STATE OF INCORPORATION: MI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-22 FILM NUMBER: 09780876 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: HOUSTON STATE: TX ZIP: 80202 BUSINESS PHONE: 3039259200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: HOUSTON STATE: TX ZIP: 80202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Marketing, L.L.C. CENTRAL INDEX KEY: 0001435922 IRS NUMBER: 262430225 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-03 FILM NUMBER: 09780857 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: HOUSTON STATE: TX ZIP: 80202 BUSINESS PHONE: 3039259200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: HOUSTON STATE: TX ZIP: 80202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Gas Services, L.L.C. CENTRAL INDEX KEY: 0001435923 IRS NUMBER: 261795927 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-07 FILM NUMBER: 09780861 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: HOUSTON STATE: TX ZIP: 80202 BUSINESS PHONE: 3039259200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: HOUSTON STATE: TX ZIP: 80202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Liberty Gas Gathering, L.L.C. CENTRAL INDEX KEY: 0001435924 IRS NUMBER: 262368254 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-08 FILM NUMBER: 09780862 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: HOUSTON STATE: TX ZIP: 80202 BUSINESS PHONE: 3039259200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: HOUSTON STATE: TX ZIP: 80202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Matrex, L.L.C. CENTRAL INDEX KEY: 0001435926 IRS NUMBER: 841349848 STATE OF INCORPORATION: MI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-09 FILM NUMBER: 09780863 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 BUSINESS PHONE: 3039259200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER II, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Pioneer, L.L.C. CENTRAL INDEX KEY: 0001436012 IRS NUMBER: 261795927 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-06 FILM NUMBER: 09780860 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 BUSINESS PHONE: 3039259200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Gas Marketing, L.L.C. CENTRAL INDEX KEY: 0001457473 IRS NUMBER: 262827902 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-02 FILM NUMBER: 09780856 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest McAlester, L.L.C. CENTRAL INDEX KEY: 0001457474 IRS NUMBER: 263195589 STATE OF INCORPORATION: OK FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-01 FILM NUMBER: 09780855 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Michigan Pipeline CO LLC CENTRAL INDEX KEY: 0001292411 IRS NUMBER: 830375568 STATE OF INCORPORATION: MI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-21 FILM NUMBER: 09780875 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 70 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 70 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Oklahoma Gas CO LLC CENTRAL INDEX KEY: 0001292413 IRS NUMBER: 861089780 STATE OF INCORPORATION: OK FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-20 FILM NUMBER: 09780874 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest Western Oklahoma Gas CO LLC DATE OF NAME CHANGE: 20040602 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Power Tex LLC CENTRAL INDEX KEY: 0001292414 IRS NUMBER: 450537840 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-14 FILM NUMBER: 09780868 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest Power Tex LP DATE OF NAME CHANGE: 20040602 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Pinnacle LLC CENTRAL INDEX KEY: 0001292415 IRS NUMBER: 300157461 STATE OF INCORPORATION: TX FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-18 FILM NUMBER: 09780872 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FORMER COMPANY: FORMER CONFORMED NAME: MarkWest Pinnacle LP DATE OF NAME CHANGE: 20040602 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MARKWEST HYDROCARBON INC CENTRAL INDEX KEY: 0001019756 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 841352233 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-04 FILM NUMBER: 09780858 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Energy Operating CO LLC CENTRAL INDEX KEY: 0001292406 IRS NUMBER: 270005448 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-26 FILM NUMBER: 09780880 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Basin Pipeline LLC CENTRAL INDEX KEY: 0001292407 IRS NUMBER: 383297919 STATE OF INCORPORATION: MI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-25 FILM NUMBER: 09780879 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: West Shore Processing CO LLC CENTRAL INDEX KEY: 0001292408 IRS NUMBER: 760501616 STATE OF INCORPORATION: MI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-24 FILM NUMBER: 09780878 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MarkWest Energy Appalachia LLC CENTRAL INDEX KEY: 0001292409 IRS NUMBER: 470852385 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: EFFECT SEC ACT: 1933 Act SEC FILE NUMBER: 333-157883-23 FILM NUMBER: 09780877 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202-2126 EFFECT 1 primary_doc.xml X0101 EFFECT 33 LIVE 2009-04-29 15:00:00
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0001166036 MARKWEST ENERGY PARTNERS L P 333-157883 0001315263 MarkWest Energy Finance CORP 333-157883-27 0001292406 MarkWest Energy Operating CO LLC 333-157883-26 0001292407 Basin Pipeline LLC 333-157883-25 0001292408 West Shore Processing CO LLC 333-157883-24 0001292409 MarkWest Energy Appalachia LLC 333-157883-23 0001435921 Mason Pipeline LTD Liability CO 333-157883-22 0001292411 MarkWest Michigan Pipeline CO LLC 333-157883-21 0001292413 MarkWest Oklahoma Gas CO LLC 333-157883-20 0001292419 MarkWest New Mexico LLC 333-157883-19 0001292415 MarkWest Pinnacle LLC 333-157883-18 0001292416 MarkWest PNG Utility LLC 333-157883-17 0001292417 MarkWest Texas PNG Utility LLC 333-157883-16 0001292418 MarkWest Blackhawk LLC 333-157883-15 0001292414 MarkWest Power Tex LLC 333-157883-14 0001315242 MarkWest Pipeline CO LLC 333-157883-13 0001315262 MarkWest Energy East Texas Gas CO LLC 333-157883-12 0001349175 MarkWest Javelina CO LLC 333-157883-11 0001349174 Markwest Javelina Pipeline CO LLC 333-157883-10 0001435926 Matrex, L.L.C. 333-157883-09 0001435924 MarkWest Liberty Gas Gathering, L.L.C. 333-157883-08 0001435923 MarkWest Gas Services, L.L.C. 333-157883-07 0001436012 MarkWest Pioneer, L.L.C. 333-157883-06 0001412304 MarkWest Energy GP, L.L.C. 333-157883-05 0001019756 MARKWEST HYDROCARBON INC 333-157883-04 0001435922 MarkWest Marketing, L.L.C. 333-157883-03 0001457473 MarkWest Gas Marketing, L.L.C. 333-157883-02 0001457474 MarkWest McAlester, L.L.C. 333-157883-01 -----END PRIVACY-ENHANCED MESSAGE-----