Four San Diego County companies whose business models combine military electronics with other pursuits reported quarterly operating results on Aug. 6.

Cubic Corp. reported net income of $8.8 million or 33 cents per diluted share on sales of $347.8 million during its third quarter, which ended on June 30. Cubic, based in Kearny Mesa, combines its defense work with products and services for mass-transit systems. Sales for the first nine months of the fiscal year were $1.01 billion.

ViaSat Inc. reported net income of $2.6 million or 5 cents per share on revenue of $344.4 million in its first quarter, which ended June 30. The Carlsbad business sells satellite equipment and services to military, commercial and consumer clients.

Kratos Defense & Security Solutions Inc. reported a net loss of $15 million or 25 cents per share on revenue of $160.5 million in its second quarter, which ended June 28. In addition to defense work, the University City-based holding company offers satellite and security electronics for government and private sector clients.

One more electronics maker, LRAD Corp. of Rancho Bernardo, reported a negligible net loss — $64,000, or 0 cents per share — on revenue of $3.5 million in its third quarter, which ended June 30. LRAD makes electronics that amplify and send voice over a very long distance. Customers include militaries, other government agencies and corporations.