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Filing Detail
Form 424B5 - Prospectus [Rule 424(b)(5)]:
SEC Accession No. 0001193125-12-299959
Filing Date
2012-07-11
Accepted
2012-07-11 17:19:06
Documents
2

Document Format Files

Seq Description Document Type Size
1 DEFINITIVE PROSPECTUS SUPPLEMENT d378917d424b5.htm 424B5 674162
2 GRAPHIC g378917g82u23.jpg GRAPHIC 9865
  Complete submission text file 0001193125-12-299959.txt   701465
Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE CHEMICAL CORP (Filer) CIK: 0001262823 (see all company filings)

IRS No.: 760346924
Type: 424B5 | Act: 33 | File No.: 333-177119 | Film No.: 12958194
SIC: 2860 Industrial Organic Chemicals

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
GEISMAR HOLDINGS INC (Filer) CIK: 0001262824 (see all company filings)

IRS No.: 331036002
Type: 424B5 | Act: 33 | File No.: 333-177119-25 | Film No.: 12958202

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
GVGP INC (Filer) CIK: 0001262826 (see all company filings)

IRS No.: 710921650
Type: 424B5 | Act: 33 | File No.: 333-177119-24 | Film No.: 12958203

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
NORTH AMERICAN PIPE CORP (Filer) CIK: 0001262827 (see all company filings)

IRS No.: 760370735
Type: 424B5 | Act: 33 | File No.: 333-177119-23 | Film No.: 12958204

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTECH BUILDING PRODUCTS INC (Filer) CIK: 0001262831 (see all company filings)

IRS No.: 760498816
Type: 424B5 | Act: 33 | File No.: 333-177119-22 | Film No.: 12958205

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE CHEMICAL INVESTMENTS INC (Filer) CIK: 0001262834 (see all company filings)

IRS No.: 760664309 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-21 | Film No.: 12958206

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE DEVELOPMENT CORP (Filer) CIK: 0001262840 (see all company filings)

IRS No.: 760666307 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-20 | Film No.: 12958207

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE MANAGEMENT SERVICES INC (Filer) CIK: 0001262841 (see all company filings)

IRS No.: 760321065 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-16 | Film No.: 12958211

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE OLEFINS CORP (Filer) CIK: 0001262842 (see all company filings)

IRS No.: 521629821 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-12 | Film No.: 12958195

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056 7139609111
WESTLAKE PETROCHEMICALS LLC (Filer) CIK: 0001262844 (see all company filings)

IRS No.: 760553330 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-11 | Film No.: 12958196

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE POLYMERS LP (Filer) CIK: 0001262845 (see all company filings)

IRS No.: 760144230 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-09 | Film No.: 12958198

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE PVC CORP (Filer) CIK: 0001262846 (see all company filings)

IRS No.: 760346192 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-08 | Film No.: 12958199

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE RESOURCES CORP (Filer) CIK: 0001262847 (see all company filings)

IRS No.: 760321064 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-07 | Film No.: 12958200

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056 7169609111
WESTLAKE STYRENE LLC (Filer) CIK: 0001262849 (see all company filings)

IRS No.: 760294926 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-06 | Film No.: 12958201

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE VINYL CORP (Filer) CIK: 0001262850 (see all company filings)

IRS No.: 760414632 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-04 | Film No.: 12958216

Mailing Address 2801 POST OAK BLVD SUITE 600 HOUSTON TX 77056
Business Address
WPT LP (Filer) CIK: 0001262852 (see all company filings)

IRS No.: 760469048 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-01 | Film No.: 12958219

Mailing Address 2801 POST OAK BLVD. SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BOULEVARD, SUITE 600 HOUSTON TX 77056 713-960-9111
WESTLAKE VINYLS CO LP (Filer) CIK: 0001263828 (see all company filings)

IRS No.: 061641487 | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-03 | Film No.: 12958217

Mailing Address 2801 POST OAK BLVD, SUITE 600 HOUSTON TX 77056
Business Address
WESTLAKE VINYLS INC (Filer) CIK: 0001264129 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-02 | Film No.: 12958218

Mailing Address 2801 POST OAK BOULEVARD HOUSTON TX 77056
Business Address 2801 POST OAK BOULEVARD HOUSTON TX 77056 (713) 960-9111
WESTLAKE SUPPLY & TRADING CO (Filer) CIK: 0001323939 (see all company filings)

IRS No.: 760377613 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-05 | Film No.: 12958215

Mailing Address 2801 POST OAK BOULEVARD HOUSTON TX 77056
Business Address 2801 POST OAK BOULEVARD HOUSTON TX 77056 (713) 960-9111
Westlake NG I, CORP (Filer) CIK: 0001344936 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-15 | Film No.: 12958212

Mailing Address 2801 POST OAK BOULEVARD HOUSTON TX 77056
Business Address 2801 POST OAK BOULEVARD HOUSTON TX 77056 (713) 960-9111
Westlake Longview Corp (Filer) CIK: 0001344938 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-17 | Film No.: 12958210

Mailing Address 2801 POST OAK BOULEVARD SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BOULEVARD SUITE 600 HOUSTON TX 77056 (713) 960-9111
Westlake Geismar Power Co LLC (Filer) CIK: 0001432144 (see all company filings)

IRS No.: 611513966 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-18 | Film No.: 12958209

Mailing Address 2801 POST OAK BOULEVARD SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BOULEVARD SUITE 600 HOUSTON TX 77056 (713) 960-9111
Westlake NG V CORP (Filer) CIK: 0001432145 (see all company filings)

IRS No.: 611513966 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-13 | Film No.: 12958214

Mailing Address 2801 POST OAK BOULEVARD SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BOULEVARD SUITE 600 HOUSTON TX 77056 (713) 960-9111
Westlake NG IV CORP (Filer) CIK: 0001432146 (see all company filings)

IRS No.: 611513966 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-14 | Film No.: 12958213

Mailing Address 2801 POST OAK BOULEVARD SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BOULEVARD SUITE 600 HOUSTON TX 77056 (713) 960-9111
Westlake Ethylene Pipeline CORP (Filer) CIK: 0001432147 (see all company filings)

IRS No.: 611513966 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-19 | Film No.: 12958208

Mailing Address 2801 POST OAK BLVD., SUITE 600 HOUSTON TX 77056
Business Address 2801 POST OAK BLVD., SUITE 600 HOUSTON TX 77056 713-960-9111
Westlake Pipeline Investments LLC (Filer) CIK: 0001530955 (see all company filings)

IRS No.: 273400646 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 424B5 | Act: 33 | File No.: 333-177119-10 | Film No.: 12958197