NL Industries, Inc. (NL) is a holding company. The Company operates in the component products industry through its majority-owned subsidiary, CompX International Inc. The Company operates in the chemicals industry through its non-controlling interest in Kronos Worldwide, Inc. As of December 31, 2011, it owned 87% interest in CompX International Inc and 30% interest in Kronos Worldwide, Inc. The Company also owns 100% of EWI RE, Inc., an insurance brokerage and risk management services company. CompX is a manufacturer of engineered components utilized in a variety of applications and industries. Kronos is a global producer and marketer of value-added titanium dioxide pigments. In July of 2011, CompX completed the acquisition of an ergonomic component products business.