Exhibit 21.1

SUBSIDIARIES OF THE REGISTRANT

Name of Corporation	Jurisdiction of Incorporation  or Organization	% of Voting Securities Held at December 31, 2012
CompX Security Products Inc.	Delaware		100
CompX Precision Slides Inc.	Michigan		100
CompX Asia Holding Corporation	Malaysia		100
CompX Marine Inc.	Delaware		100
Custom Marine Inc.	Delaware		100
JZTB Realty LLC	Wisconsin		100
Livorsi Marine Inc.	Illinois		100