Donald Trump has been mocked online after a smaller-than-expected crowd showed up for his military birthday parade Saturday. Numbers were bolstered by significant protests during the celebration on his birthday.

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.