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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-21-004994
Filing Date
2021-03-04
Accepted
2021-03-04 16:14:42
Documents
105
Period of Report
2020-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K nwpx20201231_10k.htm   iXBRL 10-K 1969764
2 EXHIBIT 21.1 ex_223767.htm EX-21.1 4443
3 EXHIBIT 23.1 ex_223768.htm EX-23.1 3283
4 EXHIBIT 31.1 ex_223769.htm EX-31.1 14377
5 EXHIBIT 31.2 ex_223770.htm EX-31.2 13074
6 EXHIBIT 32.1 ex_223771.htm EX-32.1 6297
7 EXHIBIT 32.2 ex_223772.htm EX-32.2 5652
13 graph1.jpg GRAPHIC 59774
  Complete submission text file 0001437749-21-004994.txt   10318364

Data Files

Seq Description Document Type Size
8 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20201231.xsd EX-101.SCH 90983
9 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20201231_cal.xml EX-101.CAL 100091
10 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20201231_def.xml EX-101.DEF 644379
11 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20201231_lab.xml EX-101.LAB 571117
12 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20201231_pre.xml EX-101.PRE 688781
14 EXTRACTED XBRL INSTANCE DOCUMENT nwpx20201231_10k_htm.xml XML 1743172
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.: 21714297
SIC: 3317 Steel Pipe & Tubes