Top 10 Steel Companies in USA
SUMMARY
Introduction
The United States has one of the world’s largest and most important steel industries. Steel is a basic material used in almost every part of the economy, including construction, automobiles, machinery, energy, transportation, appliances, bridges, and infrastructure.
The U.S. steel industry has changed significantly over the past few decades. Traditional blast-furnace producers remain important, but electric arc furnace (EAF) technology has become a major part of domestic steelmaking. EAF mills use a large amount of recycled steel scrap and can produce steel with lower emissions than traditional integrated mills.
Companies such as Nucor, Steel Dynamics, Cleveland-Cliffs, and U.S. Steel are among the biggest names in the American steel market. Other companies, including Commercial Metals Company and Gerdau, have built strong positions in construction steel, rebar, structural products, and specialty steel.
In 2025, U.S. steel mills shipped approximately 91.2 million net tons, an increase of 5.1% from 2024. This showed an improvement in domestic steel shipments after a weaker period for the industry.
This article highlights the Top 10 Steel Companies in the USA, based on a combination of revenue, steel production capacity, shipments, market position, product range, manufacturing footprint, and importance to the U.S. steel market. The list includes both large steel producers and major specialty steel manufacturers.
Nucor Corporation

Image Courtesy: Nucor Corporation / Official Website
| Founded | 1905 |
| Headquarters | Charlotte, North Carolina |
| 2025 Net Sales | Approximately $32.5 billion |
| 2025 EBITDA | Approximately $3.7 billion |
| CEO | Leon Topalian |
Nucor Corporation is the largest and most diversified steel producer in North America. The company is one of the most important steel manufacturers in the United States and operates a large network of steel mills, fabrication facilities, recycling operations, and downstream businesses.
Nucor is especially well known for its use of electric arc furnace technology. Instead of relying mainly on traditional iron ore-based steelmaking, many Nucor facilities use recycled scrap as their primary raw material.
For 2025, Nucor reported $32.49 billion in net sales. The company also generated approximately $3.7 billion in EBITDA.
Nucor produces a wide range of products, including sheet steel, plate, structural steel, rebar, wire products, and steel used in construction and manufacturing.
Its large domestic footprint, recycling network, and investment in newer steelmaking technologies make Nucor one of the most important companies in the American steel industry.
Cleveland-Cliffs

Image Courtesy: Cleveland-Cliffs / Official Website
| Founded | 1847 |
| Headquarters | Cleveland, Ohio |
| 2025 Revenue | Approximately $18.6 billion |
| 2025 Steel Shipments | Approximately 16.2 million net tons |
| CEO | Lourenco Goncalves |
Cleveland-Cliffs is one of the largest integrated steel producers in the United States. The company has a particularly strong position in flat-rolled steel and is an important supplier to the American automotive industry.
Cleveland-Cliffs produces hot-rolled, cold-rolled, and coated steel as well as plate and specialty products. Its customer base includes automotive companies, manufacturers, infrastructure businesses, distributors, and other steel producers.
In 2025, Cleveland-Cliffs generated approximately $18.61 billion in total revenue. Its steel operations shipped about 16.23 million net tons, up from 15.60 million tons in 2024.
The company is also an important producer of electrical steel and other specialized products. Its vertically integrated model gives it control over several parts of the steel supply chain.
Cleveland-Cliffs remains particularly important for the U.S. automotive and manufacturing sectors.
Steel Dynamics

Image Courtesy: Steel Dynamics / Official Website
| Founded | 1993 |
| Headquarters | Fort Wayne, Indiana |
| 2025 Net Sales | Approximately $18.2 billion |
| Steelmaking Capacity | Approximately 16 million tons |
| CEO | Mark Millett |
Steel Dynamics is one of the largest domestic steel producers in the United States. The company operates several electric arc furnace steel mills and also has businesses in metals recycling, steel fabrication, and aluminum.
Steel Dynamics had approximately 16 million tons of estimated steelmaking and steel coating capacity at the end of 2025. Its steel operations included about 9.4 million tons of annual flat-roll steel production capacity and 4.6 million tons of long-product capacity.
The company reported $18.2 billion in consolidated net sales in 2025 and approximately $1.4 billion in operating cash flow. Net income attributable to Steel Dynamics was approximately $1.2 billion.Its efficient EAF-based model and strong domestic presence make it one of the leading U.S. steel companies.
United States Steel Corporation

Image Courtesy: United States Steel Corporation / Official Website
| Founded | 1901 |
| Headquarters | Pittsburgh, Pennsylvania |
| Ownership | Nippon Steel |
| Acquisition | Jun-25 |
| CEO | David B. Burritt |
United States Steel Corporation, commonly known as U.S. Steel, is one of the oldest and most recognized steel companies in America.
The company has a long history in integrated steelmaking and has expanded its operations to include modern electric arc furnace facilities. Its products include flat-rolled steel, tin products, and other steel products used by industrial and manufacturing customers.
An important change occurred in June 2025, when Nippon Steel completed its approximately $15 billion acquisition of U.S. Steel. U.S. Steel became a wholly owned subsidiary of Nippon Steel while retaining its U.S. identity and headquarters.
Nippon Steel has committed to investing approximately $11 billion in U.S. Steel operations through 2028. The investment is expected to modernize facilities and improve the company’s competitiveness.
Commercial Metals Company

Image Courtesy: Commercial Metals Company / Official Website
| Founded | 1915 |
| Headquarters | Irving, Texas |
| FY2025 Net Sales | Approximately $7.8 billion |
| 2025 Steel Shipments | Approximately 3.12 million tons |
| CEO | Peter Matt |
Commercial Metals Company, commonly known as CMC, is a major American producer of steel products, particularly rebar and other products used in construction.
CMC operates electric arc furnace steel mills and has a large recycling network. Its products are widely used in buildings, highways, bridges, infrastructure projects, and commercial construction.
For fiscal 2025, CMC reported approximately $7.80 billion in net sales. Its North America Steel Group shipped approximately 3.12 million tons of steel products.
As U.S. infrastructure spending and construction activity continue to support steel demand, CMC remains an important part of the domestic steel market.
Gerdau North America

Image Courtesy: Gerdau North America / Official Website
| Founded | 1901 |
| U.S. Operations | 10 steel production units |
| North America Steel Capacity | Approximately 6.9 million tonnes |
| 2025 North America Steel Production | Up 11.5% year over year |
| CEO | Gustavo Werneck |
Gerdau is a global steel producer headquartered in Brazil, but it has a large and important presence in the United States.
Gerdau operates 10 steel production units in the United States and has approximately 6.9 million tonnes of crude-steel production capacity in North America. Its U.S. products include rebar, merchant bars, structural shapes, beams, piling, and specialty products.
In 2025, Gerdau’s North American crude steel production increased by 11.5%, while steel shipments increased by 9.4% compared with 2024.
The company is particularly strong in long steel products used in construction and infrastructure.
BlueScope Steel North America

Image Courtesy: BlueScope Steel North America / Official Website
| Founded | 2002 |
| Major U.S. Operation | North Star BlueScope Steel |
| FY2025 North America Revenue | Approximately $7.0 billion |
| North Star Despatches | Approximately 3.78 million tonnes |
| Parent Company | BlueScope Steel |
BlueScope Steel is an Australian steel company with significant operations in the United States.
Its most important U.S. steelmaking operation is North Star BlueScope Steel in Delta, Ohio. North Star produces high-quality hot-rolled coil using electric arc furnace technology and supplies customers in automotive, manufacturing, construction, and agriculture.
For FY2025, BlueScope’s North Star business generated approximately $3.70 billion in sales revenue and recorded despatches of approximately 3.78 million tonnes. BlueScope’s broader North America business reported around $7.0 billion in sales revenue.
The company also operates coated-steel and building-product businesses in North America.
BlueScope is important because North Star is one of the major EAF flat-rolled steel mills serving the U.S. market.
Worthington Steel

Image Courtesy: Worthington Steel / Official Website
| Founded | 1955 |
| Headquarters | Columbus, Ohio |
| FY2025 Net Sales | Approximately $3.09 billion |
| FY2025 Operating Income | Approximately $147 million |
| CEO | Andy Greiff |
Worthington Steel is different from the large primary steel producers on this list because it focuses heavily on steel processing and value-added products.
The company supplies steel products to industries including automotive, electrical, construction, and industrial manufacturing. Its products include electrical steel, automotive steel, laser-welded products, and other processed steel products.
For the fiscal year ended May 31, 2025, Worthington Steel reported approximately $3.09 billion in net sales, compared with $3.43 billion in the previous fiscal year. Operating income was approximately $147 million.
Carpenter Technology

Image Courtesy: Carpenter Technology / Official Website
| Founded | 1889 |
| Headquarters | Philadelphia, Pennsylvania |
| FY2025 Net Sales | Approximately $2.88 billion |
| FY2025 Adjusted Operating Income | Approximately $525 million |
| CEO | Tony Thene |
Carpenter Technology is a specialty materials and steel manufacturer known for producing high-performance alloys and specialty steels.
The company supplies materials to demanding industries such as aerospace, defense, medical technology, energy, and industrial manufacturing.
Carpenter reported $2.88 billion in fiscal 2025 net sales. Its adjusted operating income reached approximately $525.4 million, making FY2025 its most profitable year on record. More than 60% of its revenue was connected to aerospace and defense markets.
Its products are not commodity steel products. Instead, Carpenter focuses on materials that need special strength, heat resistance, corrosion resistance, or other advanced properties.
JSW Steel USA

Image Courtesy: JSW Steel USA / Official Website
| Parent Company | JSW Steel |
| Major U.S. Facility | Baytown, Texas |
| Main Product | Hot-rolled steel |
| Technology | Electric Arc Furnace |
| U.S. Operations | Texas |
JSW Steel USA is the U.S. arm of India’s JSW Steel and operates a major steelmaking facility in Baytown, Texas.
The company’s Texas operation produces hot-rolled steel and serves customers in construction, energy, manufacturing, and other industrial markets.
JSW Steel USA is smaller than Nucor, Cleveland-Cliffs, or Steel Dynamics, but it is still relevant to the U.S. steel industry because it adds additional domestic steelmaking capacity and serves the growing Texas and southern U.S. market.
Financial and Operational Comparison of the Top Steel Companies in the USA
The following table summarizes the latest comparable figures available. Because some companies are privately structured subsidiaries or report their U.S. operations as part of larger international businesses, revenue figures are not directly comparable in every case.
| Company | Latest Financial Figure | Key Scale / Metric | Main Focus |
| Nucor | $32.49B 2025 sales | $3.7B EBITDA | Flat, long & construction steel |
| Cleveland-Cliffs | $18.61B 2025 revenue | 16.23M tons shipped | Flat-rolled & automotive steel |
| Steel Dynamics | $18.2B 2025 sales | ~16M tons capacity | EAF steel & metals |
| U.S. Steel | Part of Nippon Steel | ~15M tons expected 2025 shipments | Flat-rolled & integrated steel |
| Commercial Metals | $7.80B FY2025 sales | 3.12M tons steel shipped | Rebar & construction steel |
| Gerdau North America | Part of Gerdau group | 6.9M tons capacity | Long products & construction |
| BlueScope North America | ~$7.0B FY2025 sales | 3.78M tons North Star despatches | Flat-rolled steel |
| Worthington Steel | $3.09B FY2025 sales | Value-added steel processing | Specialty & processed steel |
| Carpenter Technology | $2.88B FY2025 sales | $525M adjusted operating income | Specialty alloys |
| JSW Steel USA | Part of JSW Steel | Texas steelmaking operation | Hot-rolled steel |

Figures are based on the latest publicly available FY2025 information and company disclosures. They should not be treated as a strict ranking by revenue because several companies report global operations while others disclose U.S.-specific figures.
Why These Companies Lead the U.S. Steel Industry
Large Production Capacity
The biggest companies operate some of the largest steel mills in the country. Nucor, Cleveland-Cliffs, Steel Dynamics, and U.S. Steel together account for a major share of domestic steel production.
Scale is important because steel is a capital-intensive business. Large plants can spread fixed costs across millions of tons of production.
Strong Construction Demand
Construction is one of the largest users of steel in the United States. Rebar, beams, structural steel, sheet steel, and other products are needed for buildings, bridges, highways, warehouses, and infrastructure.
Companies such as Nucor, CMC, and Gerdau have particularly strong positions in this market.
Automotive Manufacturing
Automobiles require large quantities of flat-rolled steel. Cleveland-Cliffs and U.S. Steel have historically been important suppliers to automotive manufacturers, while other steelmakers also serve the sector.
The health of the U.S. automotive industry therefore has a direct effect on steel demand.
Electric Arc Furnace Technology
EAF technology has become one of the biggest changes in American steelmaking.
EAF mills can use recycled scrap as their primary raw material and can be more flexible than traditional integrated mills. Nucor and Steel Dynamics are particularly strong examples of this business model.
The growing focus on emissions reduction is also encouraging steelmakers to invest in newer production technologies.
Conclusion
The United States remains one of the world’s most important steel markets, supported by its large manufacturing base, construction industry, infrastructure needs, and strong domestic demand.
Nucor is the largest and most diversified domestic steel producer, while Cleveland-Cliffs remains a major integrated producer with a strong automotive customer base. Steel Dynamics has built a highly efficient EAF-based business, while U.S. Steel is now part of Nippon Steel following its 2025 acquisition.
Commercial Metals Company and Gerdau are important suppliers of construction and long steel products. BlueScope has a significant flat-rolled operation in Ohio, while Worthington Steel and Carpenter Technology focus more heavily on processed and specialty materials. JSW Steel USA adds another important international investment in U.S. steelmaking.
The industry shipped more than 91 million net tons of steel in 2025, showing the continued importance of domestic steel production.
Going forward, infrastructure investment, manufacturing expansion, trade policy, automation, recycling, and lower-carbon steelmaking will shape the industry’s growth.
The U.S. steel sector is therefore not simply an old industrial industry. It is becoming more automated, more technology-driven, and increasingly focused on efficient and lower-emission production. The companies that can combine scale, modern technology, strong customer relationships, and efficient production are likely to remain the leaders of the American steel market.
FAQs:
Which is the largest steel company in the USA?
Nucor is one of the largest and most diversified steel producers in the United States.
What are the top steel companies in the USA?
Major companies include Nucor, Cleveland-Cliffs, Steel Dynamics, U.S. Steel, and Commercial Metals Company.
Where is Nucor headquartered?
Nucor is headquartered in Charlotte, North Carolina.
What does Cleveland-Cliffs produce?
Cleveland-Cliffs mainly produces flat-rolled steel, automotive steel, plate, and specialty steel products.
Is U.S. Steel still an independent company?
No, U.S. Steel became a wholly owned subsidiary of Nippon Steel in June 2025.
What is Steel Dynamics known for?
Steel Dynamics is known for efficient electric arc furnace steel production and recycled-steel manufacturing.
Which steel companies focus on construction products?
Nucor, Commercial Metals Company, and Gerdau are major suppliers of construction steel products.
What is electric arc furnace steelmaking?
Electric arc furnaces use electricity to melt steel scrap and produce new steel.
Why is recycled steel important in the USA?
Recycled steel helps reduce raw-material use and supports more efficient steel production.
How much steel did U.S. mills ship in 2025?
U.S. steel mills shipped approximately 91.2 million net tons in 2025.
Which steel company is based in Pittsburgh?
U.S. Steel is headquartered in Pittsburgh, Pennsylvania.
What does Commercial Metals Company produce?
Commercial Metals Company mainly produces rebar and other steel products used in construction and infrastructure.
Which company makes specialty steel and advanced alloys?
Carpenter Technology is known for specialty steels and high-performance alloys.
What industries use steel in the USA?
Steel is widely used in construction, automobiles, infrastructure, energy, machinery, and manufacturing.
What is the future of the U.S. steel industry?
The industry is expected to focus increasingly on automation, EAF technology, recycling, infrastructure demand, and lower-emission steelmaking.
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