(By Oil & Gas 360) – For decades, the United States measured energy security by asking whether America could produce enough oil.The shale revolution largely answered that question. The United States became the world’s largest producer of crude oil and natural gas, reducing import dependence and reshaping global energy markets. But production is only one part of the system. Crude still must be transported, processed, and converted into gasoline, diesel, jet fuel, and petrochemicals.That raises another question:Who owns America’s refining advantage, and whose capital will determine its future?The issue becomes more important whenever tensions rise around the Strait of Hormuz. A disruption there can quickly lift crude prices, tanker rates, insurance costs, and refined product prices around the world.American refiners may appear insulated because the United States produces large volumes of crude and imports additional supplies from Canada, Mexico, and Latin America. The country also operates one of the world’s largest and most sophisticated refining systems.Yet a Hormuz disruption would still reach the United States.Oil is priced globally. If Middle Eastern barrels become unavailable or more expensive to transport, buyers compete more aggressively for supplies from North America, Brazil, Guyana, and other secure producing regions. U.S. crude prices can rise even when domestic production remains uninterrupted.Refiners then face higher feedstock costs, changing crude differentials, volatile product prices, and stronger international demand for gasoline and diesel. Some facilities may benefit from wider margins, while others may face pressure depending on their configuration, location, and access to pipelines, storage, and export infrastructure.The impact would vary, but the strategic value of U.S. refining capacity would become clear.American refineries do more than supply domestic fuel markets. They support manufacturing, provide diesel and jet fuel to global customers, and connect North American crude production to higher-value markets. During a major supply disruption, those facilities become economic and national-security assets.That is where ownership enters the discussion.The U.S. refining system operates within a global capital market. Foreign corporations own major refining assets, while international institutions, pension funds, sovereign wealth funds, and global asset managers hold significant positions across publicly traded American energy companies.Is that a risk, an advantage, or simply the reality of an interconnected financial system?Global capital can strengthen the industry by increasing liquidity, lowering financing costs, and supporting modernization, maintenance, cybersecurity, and emissions improvements.But a geopolitical crisis raises a more difficult question: When strategically important domestic infrastructure depends on globally allocated capital, will investment decisions remain aligned with America’s long-term energy-security needs?Publicly traded refiners answer to shareholders regardless of nationality. Capital moves toward the highest expected return, not necessarily toward the infrastructure considered most important to U.S. consumers or policymakers.That is not a criticism of international investment. It does, however, expose a potential gap between corporate capital allocation and national energy strategy.The United States has not built a major new grassroots refinery in decades. High costs, permitting challenges, regulatory uncertainty, and questions about long-term fuel demand have made new projects difficult to justify. Most added capacity has come through expansions and efficiency improvements at existing facilities.That makes reinvestment in the current refining fleet increasingly important.A Hormuz crisis would test the reliability of that system. U.S. refineries would need secure feedstock, dependable power, pipelines, storage, marine access, skilled workers, and continuous capital investment. Energy resilience would depend not only on the oil beneath American soil, but also on the infrastructure that processes it.Investors should therefore look beyond quarterly margins.Which refiners have the strongest access to domestic and Canadian crude? Which can process a flexible range of feedstocks? Which are connected to export markets? Which companies are reinvesting enough to preserve reliability?Ownership belongs in that analysis, but not through a simplistic domestic-versus-foreign lens. The more important question is whether the shareholder base and corporate strategy support continued investment in assets that could become increasingly valuable as geopolitical risk rises.The same applies to pipelines, storage terminals, marine facilities, and product distribution networks. A refinery is only as resilient as the infrastructure bringing crude in and moving products out.For investors, that creates opportunity. Refiners with secure crude access may gain strategic value. Midstream systems connecting North American production to refining centers could see stronger utilization. Storage assets may command a premium, while export terminals may become more important as allies seek reliable fuel supplies.At the same time, higher crude prices can weaken demand, raise inflation, compress margins, and invite political intervention. Refining is not automatically a winner when oil prices rise. The advantage belongs to companies with the right assets, logistics, balance sheets, and operating discipline.The Strait of Hormuz therefore represents more than a risk to global crude supply. It tests the strength of America’s downstream energy system and forces investors to consider who owns that system, who funds it, and whether the necessary capital will remain available when reliability matters most.America may possess one of the world’s greatest refining advantages.The question is who will invest enough to ensure it lasts.About Oil & Gas 360 Oil & Gas 360 is an energy-focused news and market intelligence platform delivering analysis, industry developments, and capital markets coverage across the global oil and gas sector. The publication provides timely insight for executives, investors, and energy professionals. Disclaimer This opinion article is provided for informational purposes only and does not constitute investment, legal, or financial advice. The views expressed are based on publicly available information.