Document Format Files
Data Files
Seq | Description | Document | Type | Size |
---|---|---|---|---|
2 | XBRL TAXONOMY EXTENSION SCHEMA | nwpx-20221231.xsd | EX-101.SCH | 5332 |
3 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE | nwpx-20221231_def.xml | EX-101.DEF | 6046 |
4 | XBRL TAXONOMY EXTENSION LABEL LINKBASE | nwpx-20221231_lab.xml | EX-101.LAB | 11430 |
5 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE | nwpx-20221231_pre.xml | EX-101.PRE | 5684 |
56 | EXTRACTED XBRL INSTANCE DOCUMENT | nwpx20221012b_def14a_htm.xml | XML | 111922 |
IRS No.: 930557988 | State of Incorp.: OR | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 000-27140 | Film No.: 23856685
SIC: 3317 Steel Pipe & Tubes