Palantir, the data analysis and technology firm whose contracts with the federal government are expanding, and Coinbase, a cryptocurrency firm that donated to the president’s inauguration, also sponsored the event. Oracle, a database company whose co-founder is a close friend of Mr. Trump’s, received a shout-out on Saturday as a sponsor.

WASHINGTON - The estimated $40 million military parade that President Donald Trump wanted in downtown Washington, D.C., Saturday is over but not the controversy concerning what his critics say are conflicts of interest.