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Filing Detail
Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001437749-19-005087
Filing Date
2019-03-15
Accepted
2019-03-15 17:28:22
Documents
109
Period of Report
2018-12-31

Document Format Files

Seq Description Document Type Size
1 FORM 10-K nwpx20181231_10k.htm 10-K 1756058
2 EXHIBIT 21.1 ex_136873.htm EX-21.1 3859
3 EXHIBIT 23.1 ex_136874.htm EX-23.1 3100
4 EXHIBIT 31.1 ex_136875.htm EX-31.1 15598
5 EXHIBIT 31.2 ex_136876.htm EX-31.2 15844
6 EXHIBIT 32.1 ex_136877.htm EX-32.1 5122
7 EXHIBIT 32.2 ex_136878.htm EX-32.2 4971
14 nwpx20181231_10kimg001.gif GRAPHIC 15204
  Complete submission text file 0001437749-19-005087.txt   10328389

Data Files

Seq Description Document Type Size
8 XBRL INSTANCE DOCUMENT nwpx-20181231.xml EX-101.INS 2401099
9 XBRL TAXONOMY EXTENSION SCHEMA nwpx-20181231.xsd EX-101.SCH 91045
10 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE nwpx-20181231_cal.xml EX-101.CAL 103231
11 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE nwpx-20181231_def.xml EX-101.DEF 628697
12 XBRL TAXONOMY EXTENSION LABEL LINKBASE nwpx-20181231_lab.xml EX-101.LAB 580872
13 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE nwpx-20181231_pre.xml EX-101.PRE 682134
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.: 19686087
SIC: 3317 Steel Pipe & Tubes