The US House of Representatives and the US Senate also have Sergeants at Arms:
https://en.wikipedia.org/wiki/Sergeant_at_Arms_of_the_United...
https://en.wikipedia.org/wiki/Sergeant_at_Arms_of_the_United...
There have been multiple occasions in recent decades when, in theory, either house of Congress could have resorted to enforcement of a Congressional subpoena by sending its Sergeant at Arms to arrest the non-responsive party. The most recent occurrence was early in Trump's term when several of his high officials refused to appear before Congressional committees which sought to question them; there was talk of whether Congress would provoke a showdown by issuing and enforcing subpoenas. And a court ruling during the George W. Bush administration confirmed Congress could compel members of the executive branch to appear and answer questions:
https://www.reuters.com/article/us-usa-congress-bush-idUSN31...