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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-12-234639
Filing Date
2012-05-15
Accepted
2012-05-15 16:19:22
Documents
10
Period of Report
2012-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q d347971d10q.htm 10-Q 366835
2 SECTION 302 CEO CERTIFICATION d347971dex311.htm EX-31.1 9952
3 SECTION 302 CFO CERTIFICATION d347971dex312.htm EX-31.2 10219
4 SECTION 906 CEO CERTIFICATION d347971dex321.htm EX-32.1 3247
5 SECTION 906 CFO CERTIFICATION d347971dex322.htm EX-32.2 3092
  Complete submission text file 0001193125-12-234639.txt   2009078

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT nwpx-20120331.xml EX-101.INS 252656
7 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20120331.xsd EX-101.SCH 10360
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20120331_cal.xml EX-101.CAL 40924
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20120331_lab.xml EX-101.LAB 125227
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20120331_pre.xml EX-101.PRE 81244
Mailing Address 5721 SE COLUMBIA WAY SUITE 200 VANCOUVER WA 98661
Business Address 5721 SE COLUMBIA WAY SUITE 200 VANCOUVER WA 98661 3603976250
NORTHWEST PIPE CO (Filer) CIK: 0001001385 (see all company filings)

IRS No.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-27140 | Film No.: 12845003
SIC: 3317 Steel Pipe & Tubes