United States — United States Department of Defense & Saudi Aramco

United States — United States Department of Defense: The DoD oversees the naval blockade and military operations.

Saudi Aramco: A Saudi Aramco refinery was reportedly targeted by Houthi drones, raising fears of wider regional conflict.

United States — United States Department of Defense: The Pentagon sought additional funding from Congress for the conflict's rising costs.

Saudi Aramco: Abqaiq facility damaged and Jazan refinery shut down due to Houthi attacks. Key oil producer affected by conflict.

United States — United States Department of Defense: The Pentagon is pushing to accelerate weapons production to replenish stockpiles depleted by the war with Iran, indicating increased defense spending.

Saudi Aramco: Saudi Aramco's Jazan refinery was directly attacked, causing a fire and production interruptions. The company has shut the refinery since late July due to prior Houthi attacks, and while CEO Amin H. Nasser downplays material impact, repeated strikes raise operational and security concerns.

United States — United States Department of Defense: Estimated war cost at $37.5 billion; requested additional funding.

Saudi Aramco: Houthi attacks targeted Aramco facilities in Saudi Arabia — Yanbu and Saudi Arabia — Jizan; company did not comment on damage.

United States — United States Department of Defense: Warned of interceptor depletion, influencing Trump's decision. Its readiness is critical.

Saudi Aramco: Saudi Aramco facilities were targeted by Houthi attacks, but no major disruption reported.

United States — United States Department of Defense: The Pentagon did not comment on the pause but is involved in military planning. Spokesman Parnell stated the military has everything it needs.

Saudi Aramco: Saudi Aramco's Jazan refinery was shut after a Houthi attack, and its facilities in Jizan and Yanbu were targeted. The company's operations are directly impacted by the conflict.

United States — United States Department of Defense: The DoD is overseeing the military campaign and reported the cost of the war.

Saudi Aramco: State oil company whose tankers were attacked; its Yanbu export route is threatened.

United States — United States Department of Defense: SpaceX is a military contractor; no direct involvement in this event but relevant to regulatory and competitive landscape.

Saudi Aramco: Saudi Aramco is cited as the previous record holder for largest IPO, but is not involved.