SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form S-4/A - Registration of securities, business combinations: [Amend]
SEC Accession No. 0001047469-06-000521
Filing Date
2006-01-17
Accepted
2006-01-17 17:08:32
Documents
8

Document Format Files

Seq Description Document Type Size
1 S-4/A a2161237zs-4a.htm S-4/A 544982
2 EX-4.10 a2161237zex-4_10.htm EX-4.10 20864
3 EX-12.1 a2161237zex-12_1.htm EX-12.1 21430
4 EX-23.1 a2150862zex-23_1.htm EX-23.1 2134
5 EX-23.2 a2150862zex-23_2.htm EX-23.2 2320
6 EX-23.3 a2161237zex-23_3.htm EX-23.3 2307
7 EX-23.4 a2161237zex-23_4.htm EX-23.4 10993
8 EX-25.1 a2150862zex-25_1.htm EX-25.1 38628
  Complete submission text file 0001047469-06-000521.txt   654903
Mailing Address 155 INVERNESS DR WEST STE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DR WEST STE 200 ENGLEWOOD CO 80112 303-925-9275
MARKWEST ENERGY PARTNERS L P (Filer) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945 | Film No.: 06533651
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Energy Operating CO LLC (Filer) CIK: 0001292406 (see all company filings)

IRS No.: 270005448 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-15 | Film No.: 06533653

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
Basin Pipeline LLC (Filer) CIK: 0001292407 (see all company filings)

IRS No.: 383297919 | State of Incorp.: MI | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-13 | Film No.: 06533655

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
West Shore Processing CO LLC (Filer) CIK: 0001292408 (see all company filings)

IRS No.: 760501616 | State of Incorp.: MI | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-12 | Film No.: 06533656

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Energy Appalachia LLC (Filer) CIK: 0001292409 (see all company filings)

IRS No.: 470852385 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-11 | Film No.: 06533657

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MW Texas LTD LLC (Filer) CIK: 0001292410 (see all company filings)

IRS No.: 300157458 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-09 | Film No.: 06533659

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Michigan Pipeline CO LLC (Filer) CIK: 0001292411 (see all company filings)

IRS No.: 830375568 | State of Incorp.: MI | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-08 | Film No.: 06533660

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Texas GP LLC (Filer) CIK: 0001292412 (see all company filings)

IRS No.: 300157456 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-10 | Film No.: 06533658

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Western Oklahoma Gas CO LLC (Filer) CIK: 0001292413 (see all company filings)

IRS No.: 861089780 | State of Incorp.: OK | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-06 | Film No.: 06533667

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Power Tex LP (Filer) CIK: 0001292414 (see all company filings)

IRS No.: 450537840 | State of Incorp.: TX | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-16 | Film No.: 06533652

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Pinnacle LP (Filer) CIK: 0001292415 (see all company filings)

IRS No.: 300157461 | State of Incorp.: TX | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-07 | Film No.: 06533661

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest PNG Utility LP (Filer) CIK: 0001292416 (see all company filings)

IRS No.: 300157467 | State of Incorp.: TX | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-05 | Film No.: 06533662

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Texas PNG Utility LP (Filer) CIK: 0001292417 (see all company filings)

IRS No.: 300157468 | State of Incorp.: TX | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-04 | Film No.: 06533663

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest Blackhawk LP (Filer) CIK: 0001292418 (see all company filings)

IRS No.: 300157471 | State of Incorp.: TX | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-17 | Film No.: 06533650

Mailing Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112
Business Address 155 INVERNESS DRIVE WEST, SUITE 200 ENGLEWOOD CO 80112 303-290-8700
MarkWest New Mexico LP (Filer) CIK: 0001292419 (see all company filings)

IRS No.: 300157474 | State of Incorp.: TX | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-14 | Film No.: 06533654

Mailing Address 155 INVERNESS DR. WEST, SUITE 200 ENGLEWOOD CO 80112-5000
Business Address 155 INVERNESS DR. WEST, SUITE 200 ENGLEWOOD CO 80112-5000 303-290-8700
MarkWest Pipeline CO LP (Filer) CIK: 0001315242 (see all company filings)

IRS No.: 000000000 | State of Incorp.: TX | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-01 | Film No.: 06533666

Mailing Address 155 INVERNESS DR. WEST SUITE 200 ENGLEWOOD CO 80112-5000
Business Address 155 INVERNESS DR. WEST SUITE 200 ENGLEWOOD CO 80112-5000 303-290-8700
MarkWest Energy East Texas Gas CO LP (Filer) CIK: 0001315262 (see all company filings)

IRS No.: 201311706 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-02 | Film No.: 06533665

Mailing Address 155 INVERNESS DR. WEST, SUITE 200 ENGLEWOOD CO 80112-5000
Business Address 155 INVERNESS DR. WEST, SUITE 200 ENGLEWOOD CO 80112-5000 303-290-8700
MarkWest Energy Finance CORP (Filer) CIK: 0001315263 (see all company filings)

IRS No.: 201805917 | State of Incorp.: DE | Fiscal Year End: 1231
Type: S-4/A | Act: 33 | File No.: 333-122945-03 | Film No.: 06533664