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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-13-112587
Filing Date
2013-03-18
Accepted
2013-03-18 16:27:30
Documents
15
Period of Report
2012-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K d444311d10k.htm 10-K 1202433
2 EX-21 d444311dex21.htm EX-21 1060
3 EX-23.1 d444311dex231.htm EX-23.1 1441
4 EX-23.2 d444311dex232.htm EX-23.2 1840
5 EX-31.1 d444311dex311.htm EX-31.1 10645
6 EX-31.2 d444311dex312.htm EX-31.2 10498
7 EX-32.1 d444311dex321.htm EX-32.1 3524
8 EX-32.2 d444311dex322.htm EX-32.2 3498
15 GRAPHIC g444311g32q18.jpg GRAPHIC 47243
  Complete submission text file 0001193125-13-112587.txt   10012592

Data Files

Seq Description Document Type Size
9 XBRL INSTANCE DOCUMENT nwpx-20121231.xml EX-101.INS 1690098
10 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20121231.xsd EX-101.SCH 71411
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20121231_cal.xml EX-101.CAL 114244
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20121231_def.xml EX-101.DEF 192700
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20121231_lab.xml EX-101.LAB 607676
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20121231_pre.xml EX-101.PRE 448616
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-K | Act: 34 | File No.: 000-27140 | Film No.: 13697996
SIC: 3317 Steel Pipe & Tubes