<SEC-DOCUMENT>0001437749-15-022385-index.html : 20151216 <SEC-HEADER>0001437749-15-022385.hdr.sgml : 20151216 <ACCEPTANCE-DATETIME>20151216165139 ACCESSION NUMBER: 0001437749-15-022385 CONFORMED SUBMISSION TYPE: 8-K PUBLIC DOCUMENT COUNT: 3 CONFORMED PERIOD OF REPORT: 20151211 ITEM INFORMATION: Changes in Registrant's Certifying Accountant ITEM INFORMATION: Financial Statements and Exhibits FILED AS OF DATE: 20151216 DATE AS OF CHANGE: 20151216 FILER: COMPANY DATA: COMPANY CONFORMED NAME: NORTHWEST PIPE CO CENTRAL INDEX KEY: 0001001385 STANDARD INDUSTRIAL CLASSIFICATION: STEEL PIPE & TUBES [3317] IRS NUMBER: 930557988 STATE OF INCORPORATION: OR FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 8-K SEC ACT: 1934 Act SEC FILE NUMBER: 000-27140 FILM NUMBER: 151291466 BUSINESS ADDRESS: STREET 1: 5721 SE COLUMBIA WAY STREET 2: SUITE 200 CITY: VANCOUVER STATE: WA ZIP: 98661 BUSINESS PHONE: 3603976250 MAIL ADDRESS: STREET 1: 5721 SE COLUMBIA WAY STREET 2: SUITE 200 CITY: VANCOUVER STATE: WA ZIP: 98661 </SEC-HEADER> <DOCUMENT> <TYPE>8-K <SEQUENCE>1 <FILENAME>nwpx20151216_8k.htm <DESCRIPTION>FORM 8-K <TEXT> Document 1 - file: nwpx20151216_8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-16.1 <SEQUENCE>2 <FILENAME>ex16-1.htm <DESCRIPTION>EXHIBIT 16.1 <TEXT> Document 2 - file: ex16-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>ima01.jpg <TEXT> Document 3 - file: ima01.jpg
</DOCUMENT> </SEC-DOCUMENT>