Leidos' current $5 billion business gets about 40 percent of sales from Defense Department customers, 32 percent from the intelligence community and 28 percent from civil and commercial customers. Combined with IS&GS, civil and commercial markets will account for 45 percent of the business with most of that from federal civilian customers, defense about 35 percent, and the intelligence community 20 percent, according to briefing slides Leidos used with its investor presentation.