The search was carried out in relation to a criminal probe.
Officers also searched the premises of a company based in Orvieto, which had been assigned a contract to develop digital services for the Games, and an office of Deloitte, which took over the contract, the sources said.
Former Fondazione Milano-Cortina 2026 CEO Vincenzo Novari is among three people under investigation in a probe into alleged bribery and perverting the free market, the sources said.
The other two are a former executive of the foundation and the former legal representative of the Orvieto firm, Quibyt (formerly Vetrya).
None of the suspects are currently involved with Fondazione Milano-Cortina 2026.
ANSA