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Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-18-004857
Filing Date
2018-03-16
Accepted
2018-03-16 14:10:41
Documents
105
Period of Report
2017-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K nwpx20171231_10k.htm 10-K 1922866
2 EXHIBIT 21.1 ex_105498.htm EX-21.1 1952
3 EXHIBIT 23.1 ex_105499.htm EX-23.1 2880
4 EXHIBIT 23.2 ex_105500.htm EX-23.2 2922
5 EXHIBIT 31.1 ex_105501.htm EX-31.1 16974
6 EXHIBIT 31.2 ex_105502.htm EX-31.2 16365
7 EXHIBIT 32.1 ex_105503.htm EX-32.1 5818
8 EXHIBIT 32.2 ex_105504.htm EX-32.2 5727
15 totalreturngraph.jpg GRAPHIC 56582
  Complete submission text file 0001437749-18-004857.txt   9774061

Data Files

Seq Description Document Type Size
9 XBRL INSTANCE DOCUMENT nwpx-20171231.xml EX-101.INS 2140372
10 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20171231.xsd EX-101.SCH 88275
11 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20171231_cal.xml EX-101.CAL 100650
12 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20171231_def.xml EX-101.DEF 607016
13 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20171231_lab.xml EX-101.LAB 548259
14 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20171231_pre.xml EX-101.PRE 652058
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.: 18695220
SIC: 3317 Steel Pipe & Tubes
Office of Manufacturing