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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-22-006431
Filing Date
2022-03-16
Accepted
2022-03-16 16:18:04
Documents
109
Period of Report
2021-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K nwpx20211231_10k.htm   iXBRL 10-K 2056850
2 EXHIBIT 3.1 ex_341631.htm EX-3.1 21004
3 EXHIBIT 21.1 ex_337402.htm EX-21.1 4468
4 EXHIBIT 23.1 ex_337407.htm EX-23.1 2886
5 EXHIBIT 31.1 ex_337408.htm EX-31.1 13181
6 EXHIBIT 31.2 ex_337409.htm EX-31.2 13195
7 EXHIBIT 32.1 ex_337410.htm EX-32.1 4884
8 EXHIBIT 32.2 ex_337411.htm EX-32.2 5020
14 graph01.jpg GRAPHIC 45135
  Complete submission text file 0001437749-22-006431.txt   10824388

Data Files

Seq Description Document Type Size
9 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20211231.xsd EX-101.SCH 88799
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20211231_cal.xml EX-101.CAL 92507
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20211231_def.xml EX-101.DEF 598083
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20211231_lab.xml EX-101.LAB 537644
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20211231_pre.xml EX-101.PRE 647733
103 EXTRACTED XBRL INSTANCE DOCUMENT nwpx20211231_10k_htm.xml XML 2021800
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.: 22745099
SIC: 3317 Steel Pipe & Tubes