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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-24-006640
Filing Date
2024-03-05
Accepted
2024-03-05 16:34:41
Documents
115
Period of Report
2023-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K nwpx20231231c_10k.htm   iXBRL 10-K 2025935
2 EXHIBIT 21.1 ex_602812.htm EX-21.1 4133
3 EXHIBIT 23.1 ex_602813.htm EX-23.1 2667
4 EXHIBIT 31.1 ex_602814.htm EX-31.1 14009
5 EXHIBIT 31.2 ex_602815.htm EX-31.2 14051
6 EXHIBIT 32.1 ex_602816.htm EX-32.1 4804
7 EXHIBIT 32.2 ex_602817.htm EX-32.2 5031
8 EXHIBIT 97 ex_608626.htm EX-97 28977
14 a01.jpg GRAPHIC 64848
  Complete submission text file 0001437749-24-006640.txt   10856006

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20231231.xsd EX-101.SCH 93736
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20231231_cal.xml EX-101.CAL 85142
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20231231_def.xml EX-101.DEF 640376
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20231231_lab.xml EX-101.LAB 552910
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20231231_pre.xml EX-101.PRE 690428
117 EXTRACTED XBRL INSTANCE DOCUMENT nwpx20231231c_10k_htm.xml XML 1887209
Mailing Address 201 NE PARK PLAZA DRIVE SUITE 100 VANCOUVER WA 98684
Business Address 201 NE PARK PLAZA DRIVE SUITE 100 VANCOUVER WA 98684 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.: 24721247
SIC: 3317 Steel Pipe & Tubes
(CF Office: 04 Manufacturing)