NORTHWEST PIPE CO - FORM 10-K - EX-21 - SUBSIDIARIES

file	filename
10-K - FORM 10-K - NORTHWEST PIPE CO	d10k.htm
EX-32.1 - CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 - NORTHWEST PIPE CO	dex321.htm
EX-32.2 - CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 - NORTHWEST PIPE CO	dex322.htm
EX-31.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302 - NORTHWEST PIPE CO	dex311.htm
EX-14.1 - CODE OF ETHICS - NORTHWEST PIPE CO	dex141.htm
EX-23.1 - CONSENT OF DELOITTE & TOUCHE LLP - NORTHWEST PIPE CO	dex231.htm
EX-31.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 - NORTHWEST PIPE CO	dex312.htm

EXHIBIT 21

NORTHWEST PIPE COMPANY

SUBSIDIARIES OF THE REGISTRANT

Northwest Pipe Asia Pte. Ltd., Singapore

Northwest Pipe Australia Pty Ltd, Australia

Northwest Pipe Mexico S.A. de C.V., Mexico

Thompson Tanks Mexico S.A. de C.V., Mexico

Thompson Tank Holdings, Inc., Oregon

NORTHWEST PIPE CO - FORM 10-K - EX-21 - SUBSIDIARIES - November 4, 2010