NL Industries, Inc., through its subsidiary, CompX International, Inc., engages in the manufacture and sale of precision ball bearing slides, security products, and ergonomic computer support systems used in office furniture, computer-related, and other applications. It sells its products to original equipment manufacturers and distributors in North America and Taiwan. Further, the company provides insurance brokerage and risk management services. NL Industries was organized in 1891 and is based in Dallas, Texas. NL Industries, Inc. is a subsidiary of Valhi, Inc.