The US Treasury Department said it targeted four individuals and one company, effectively freezing their US assets and blocking any transactions with them, while also announcing related action by Saudi Arabia.
In a related action, the US State Department also blacklisted alleged Hezbollah commander Haytham Ali Tabatabai, alias Abu Ali al-Tabatabai, the Treasury Department said in a statement.
The State Department declared Hezbollah a terrorist organization in 1997 and long-standing US efforts have sought to disrupt the organization's funding.
"Hezbollah continues to plan, coordinate and execute terrorist attacks around the world, and Treasury will continue to aggressively target Hezbollah and those supporting its terrorist activities," Adam Szubin, acting Treasury under-secretary for terrorism and financial intelligence, said in a statement.
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The US designations were imposed under an executive order issued by former president George W. Bush in the immediate aftermath of the attacks of September 11, 2001.
Kallas and al-Din worked with Tabaja to move bulk cash shipments between Lebanon and Iraq and had assisted other Hezbollah members who were already blacklisted, according to the Treasury.
The Treasury also blacklisted the Tabaja-controlled company Global Cleaners, which it said had won sanitation services contracts in Baghdad.
Saudi Arabia designated Kallas, al-Din and Global Cleaners under a local counterterrorism law, freezing their assets and prohibiting any commercial licenses for the men in the kingdom.