NL Industries

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NL Industries (NYSENL), the former National Lead Company is lead smelting company now based in Houston, Texas.

NL Industries (Dutch Boy Paint) Specimen Stock Certificate, c.1975


It began business in Philadelphia in 1772. The name National Lead Company was used since 1891 after a series of mergers. During World War II, National Lead (later NL) entered the consumer market for titanium paints, creating a product line under the name Dutch Boy. Dutch Boy paints competed with other brands that contained mineral products supplied by National Lead. National Lead Company changed its name to NL Industries in 1971. The company headquarters is in Houston, Texas.[1] Dutch Boy was sold off in 1976.

National Lead was one of the 12 original stocks included in the Dow Jones Industrial Average at the time of its creation on May 26, 1896.[2]


  1. ^ "National Lead Company". Harvard University. Retrieved 2011-10-24. "The National Lead Company, now known as NL Industries, began business in Philadelphia in 1772. Several lead manufacturers banded together and incorporated as the National Lead Company in 1891. The company has been well known for its white-lead paints, sold since 1907 under the Dutch Boy label. Over the twentieth century, the company has produced many other products, including titanium dioxide paint, atomic bomb elements, and ball-bearing slides. ..." 
  2. ^ "History of the Dow", The Motley Fool, May 29, 1996. Accessed October 24, 2011.

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