Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-13-204433
Filing Date
2013-05-07
Accepted
2013-05-07 16:12:31
Documents
11
Period of Report
2013-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q d511145d10q.htm 10-Q 415462
2 EX-31.1 d511145dex311.htm EX-31.1 10176
3 EX-31.2 d511145dex312.htm EX-31.2 10344
4 EX-32.1 d511145dex321.htm EX-32.1 3030
5 EX-32.2 d511145dex322.htm EX-32.2 3005
  Complete submission text file 0001193125-13-204433.txt   4183800

Data Files

Seq Description Document Type Size
6 XBRL INSTANCE DOCUMENT nwpx-20130331.xml EX-101.INS 626756
7 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20130331.xsd EX-101.SCH 35332
8 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20130331_cal.xml EX-101.CAL 66335
9 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20130331_def.xml EX-101.DEF 74463
10 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20130331_lab.xml EX-101.LAB 314946
11 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20130331_pre.xml EX-101.PRE 220825
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)

EIN.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-27140 | Film No.: 13820119
SIC: 3317 Steel Pipe & Tubes