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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001437749-23-012586
Filing Date
2023-05-04
Accepted
2023-05-04 16:32:03
Documents
63
Period of Report
2023-03-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-Q nwpx20230331_10q.htm   iXBRL 10-Q 825164
2 EXHIBIT 31.1 ex_502021.htm EX-31.1 14063
3 EXHIBIT 31.2 ex_502022.htm EX-31.2 14189
4 EXHIBIT 32.1 ex_502023.htm EX-32.1 4992
5 EXHIBIT 32.2 ex_502024.htm EX-32.2 5046
  Complete submission text file 0001437749-23-012586.txt   4535476

Data Files

Seq Description Document Type Size
6 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20230331.xsd EX-101.SCH 42942
7 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20230331_cal.xml EX-101.CAL 37515
8 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20230331_def.xml EX-101.DEF 288003
9 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20230331_lab.xml EX-101.LAB 238293
10 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20230331_pre.xml EX-101.PRE 312409
57 EXTRACTED XBRL INSTANCE DOCUMENT nwpx20230331_10q_htm.xml XML 655474
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-Q | Act: 34 | File No.: 000-27140 | Film No.: 23889336
SIC: 3317 Steel Pipe & Tubes