SEC Seal
SEC Banner
Search the Next-Generation EDGAR System
Filing Detail
Form S-4 - Registration of securities, business combinations:
SEC Accession No. 0001047469-05-004393
Filing Date
2005-02-22
Accepted
2005-02-22 16:53:31
Documents
10

Document Format Files

Seq Description Document Type Size
1 S-4 a2150862zs-4.htm S-4 532330
2 EX-3.7 a2150862zex-3_7.htm EX-3.7 8490
3 EX-3.8 a2150862zex-3_8.htm EX-3.8 89060
4 EX-4.9 a2150862zex-4_9.htm EX-4.9 16330
5 EX-5.1 a2150862zex-5_1.htm EX-5.1 8402
6 EX-12.1 a2150862zex-12_1.htm EX-12.1 18056
7 EX-21.1 a2150862zex-21_1.htm EX-21.1 5521
8 EX-23.1 a2150862zex-23_1.htm EX-23.1 1730
9 EX-23.2 a2150862zex-23_2.htm EX-23.2 2049
10 EX-25.1 a2150862zex-25_1.htm EX-25.1 39343
  Complete submission text file 0001047469-05-004393.txt   733656
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 | Act: 33 | File No.: 333-122945 | Film No.: 05631786
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 | Act: 33 | File No.: 333-122945-15 | Film No.: 05631804

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 | Act: 33 | File No.: 333-122945-13 | Film No.: 05631802

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 | Act: 33 | File No.: 333-122945-12 | Film No.: 05631801

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 | Act: 33 | File No.: 333-122945-11 | Film No.: 05631800

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 | Act: 33 | File No.: 333-122945-09 | Film No.: 05631795

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 | Act: 33 | File No.: 333-122945-08 | Film No.: 05631794

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 | Act: 33 | File No.: 333-122945-10 | Film No.: 05631799

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 | Act: 33 | File No.: 333-122945-06 | Film No.: 05631792

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 | Act: 33 | File No.: 333-122945-16 | Film No.: 05631805

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 | Act: 33 | File No.: 333-122945-07 | Film No.: 05631793

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 | Act: 33 | File No.: 333-122945-05 | Film No.: 05631791

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 | Act: 33 | File No.: 333-122945-04 | Film No.: 05631790

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 | Act: 33 | File No.: 333-122945-17 | Film No.: 05631806

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 | Act: 33 | File No.: 333-122945-14 | Film No.: 05631803

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 | Act: 33 | File No.: 333-122945-01 | Film No.: 05631787

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 | Act: 33 | File No.: 333-122945-02 | Film No.: 05631788

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 | Act: 33 | File No.: 333-122945-03 | Film No.: 05631789