United States Steel Corporation

What does U.S. Steel own?
The company owns flat-rolled mills in Pennsylvania and Indiana, the Big River Steel mini-mill in Arkansas, Minnesota ore operations, tubular production, and the Kosice mill in Slovakia.

Is U.S. Steel publicly traded?
No. It was delisted from the NYSE when the Nippon Steel acquisition closed June 18, 2025, and is now a wholly owned subsidiary. It previously traded under ticker X.

Who founded U.S. Steel?
J. P. Morgan created the company in 1901 by consolidating Andrew Carnegie's Carnegie Steel Company with Federal Steel and other producers into the world's first billion-dollar corporation.

Where is U.S. Steel headquartered?
The company remains headquartered in Pittsburgh, Pennsylvania under the National Security Agreement terms.

What is the golden share?
One Class G Preferred share issued to the US government under the NSA, giving the President consent rights over major decisions including plant closures, name and headquarters changes, and reductions in committed investment.

Who owns U.S. Steel now?
Nippon Steel North America, a subsidiary of Japan's Nippon Steel Corporation, owns 100 percent of the company. The US government holds the golden share with special consent rights.

Is David Burritt still CEO?
Yes. David Burritt remains president and CEO, a US citizen as required under the NSA, with a majority-American board.

U.S. Steel was born in 1901 when financier J. P. Morgan bought Carnegie Steel Company from Andrew Carnegie and merged it with Federal Steel, National Steel, and other producers into a single entity capitalized at $1.4 billion, the largest corporation on Earth at its founding.

For most of the twentieth century it was the dominant American steelmaker and a symbol of national industrial might, supplying the Empire State Building, the Golden Gate Bridge, and vast wartime production. The Pittsburgh mills defined the company and the region's economy for generations.

Decline arrived with the late-century steel crisis. Foreign competition, mini-mill disruption, and outdated integrated capacity shrank the company through the 1980s and 1990s; it dropped from the Dow Jones in 1991 and survived a century of consolidation as a mid-tier producer rather than the giant it once was.

The acquisition saga began in December 2023 when Nippon Steel agreed to buy U.S. Steel for $14.9 billion, beating a rival bid from Cleveland-Cliffs. The deal faced fierce opposition from the United Steelworkers union, both presidential candidates in 2024, and a CFIUS review, blocked by executive order in January 2025 before a negotiated National Security Agreement with the golden share allowed the sale to close June 18, 2025 under President Trump's approval. The stock was delisted that day.

Since closing, Nippon has run U.S. Steel as its North American flagship, funding new investment including the announced greenfield project and committing to maintain US production capacity under the agreement's terms.

The steel industry is among the most carbon-intensive of all manufacturing, and decarbonization is the central sustainability issue. Nippon's technology includes lower-emissions processes the subsidiary can access for its blast furnace fleet and future capacity.

The company reports emissions data and has set intensity reduction targets, with Big River's electric arc furnace providing a lower-carbon production route for a growing share of output.

No independent certification applies. The more significant governance credential is the golden share itself, a structural assurance on American production commitments that functions as a quasi-regulatory control.

The sale itself: The Nippon acquisition was among the most politically contested industrial takeovers in US history, drawing union opposition, presidential politics, CFIUS review, a January 2025 blocking order, and the final negotiated approval under the golden share structure. The arrangement remains a precedent-setting question for foreign investment in strategic industries.

Union relations: The United Steelworkers union opposed the sale and continues negotiations and monitoring over job security and investment follow-through under the NSA commitments.

Environmental compliance: The integrated mills carry legacy environmental obligations at Pittsburgh-area sites, with periodic air quality enforcement and remediation matters standard for legacy steelmaking.