NL Industries, Inc. revenue for the last year amounted to 145.90 M USD, the most of which — 115.24 M USD — came from its highest performing source at the moment, Security Products, the year earlier bringing 121.18 M USD. The greatest contribution to the revenue figure was made by United States — last year it brought NL Industries, Inc. 141.33 M USD, and the year before that — 155.09 M USD.