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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-23-006891
Filing Date
2023-03-16
Accepted
2023-03-16 16:08:54
Documents
110
Period of Report
2022-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K nwpx20221231_10k.htm   iXBRL 10-K 2036874
2 EXHIBIT 21.1 ex_475821.htm EX-21.1 4157
3 EXHIBIT 23.1 ex_475822.htm EX-23.1 2823
4 EXHIBIT 31.1 ex_475823.htm EX-31.1 13444
5 EXHIBIT 31.2 ex_475824.htm EX-31.2 13214
6 EXHIBIT 32.1 ex_475825.htm EX-32.1 5615
7 EXHIBIT 32.2 ex_475826.htm EX-32.2 4939
13 pic1.jpg GRAPHIC 64935
  Complete submission text file 0001437749-23-006891.txt   10711940

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20221231.xsd EX-101.SCH 90150
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20221231_cal.xml EX-101.CAL 86991
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20221231_def.xml EX-101.DEF 637527
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20221231_lab.xml EX-101.LAB 538753
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20221231_pre.xml EX-101.PRE 682647
104 EXTRACTED XBRL INSTANCE DOCUMENT nwpx20221231_10k_htm.xml XML 1874962
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.: 23738841
SIC: 3317 Steel Pipe & Tubes