Blacklisted firms cannot buy components from US companies without US government approval.
Pompeo announced that the State Department released official guidance on the subject only hours before his address.
The UNHRC published a blacklist of companies that they claim do business with or in Israeli settlements.
Readers of The Jerusalem Post have their say.
Countries with the worst human-rights records, such as Cuba and Venezuela, pushed the list due to their anti-Israel views, not because of an attachment to international law.
Diplomatic Affairs: It was a dramatic week for Israel at the UN, and we assess the good, the bad and the ugly.
The UNHRC is publishing this list even though the only support it received for doing so was from the Arab League, the Organization of Islamic Cooperation, South Africa, Venezuela and Cuba.
The Foreign Ministry said it was cutting off ties with the Office of the UN High Commissioner for Human Rights (OHCHR) Michelle Bachelet, which had compiled the list.
What is significant in the latest move is that it targets politicians, Levanon said.
The Office of the High Commissioner for Human Rights is expected to publish the list either before, or during the session, which is scheduled to run from February 25 to March 22.