 Dallas, Texas, May 04, 2021 GLOBE NEWSWIRE -- CompX International Inc. NYSE American: CIX announced today sales of 35.9 million for the first quarter of 2021 compared to 32.3 million in the same period of 2020. Operating income was 5.8 million in the first quarter of 2021 compared to 5.0 million in the same period of 2020. Net income was 4.7 million, or 0.38 per basic and diluted common share, for the first quarter of 2021 compared to 4.3 million, or 0.34 per basic and diluted common share, in the same period of 2020. 