EX-21.1 2 ex_223767.htm EXHIBIT 21.1 ex_223767.htm

 

EXHIBIT 21.1

 

NORTHWEST PIPE COMPANY

SUBSIDIARIES OF THE REGISTRANT

As of December 31, 2020

 

Permalok Corporation, Missouri

 

Thompson Tank Holdings, Inc., Oregon

 

NWPC, LLC, Delaware

 

WTG Holding U.S., Inc., California

 

Bolenco Corporation, California

 

NWPC de SLRC, S de RL de CV, Mexico

 

NWPC de Mexico, S de RL de CV, Mexico

 

Rio Co., S de RL de CV, Mexico

 

Corporacion Californiana de Tuberias APS, S de RL de CV, Mexico

 

Geneva Pipe and Precast Company, Utah