Stelco
Canadian integrated steel producer with operations in Hamilton and Nanticoke, Ontario.
Last updated October 31, 2026
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Overview
Stelco is a Canadian steel producer headquartered in Hamilton, Ontario. Its roots extend to the late nineteenth century, but the company formally began in 1910 when several Canadian steel, wire, rolling, bolt and fastener businesses were combined as The Steel Company of Canada. For much of the twentieth century, Stelco was one of Canada's major integrated steel companies and a defining industrial employer in Hamilton, often called Canada's Steel City. The company has operated across several stages of the steel value chain, including ironmaking, coke production, steelmaking, hot and cold rolling, galvanizing and the manufacture of flat-rolled and long products. Its customers have included businesses in automotive manufacturing, construction, infrastructure, energy and general industrial markets. The Lake Erie Works at Nanticoke, Ontario, opened as a newer integrated facility and became the company's principal steelmaking site after the decline and eventual closure of Hamilton's steelmaking operations. Hamilton Works retained coke ovens and cold-rolling and finishing activities after primary steel production ended there. Stelco faced severe financial pressure in the 2000s. It entered court-supervised protection under Canada's Companies' Creditors Arrangement Act in 2004 and exited restructuring in 2006 after divesting non-core operations and reorganizing the remaining business. U.S. Steel acquired the company in 2007, delisted its shares and operated it as U.S. Steel Canada. Weak market conditions, falling orders and operational difficulties led to major layoffs and temporary or permanent shutdowns at Hamilton and Lake Erie. The Hamilton steelmaking and ironmaking operations were ultimately closed, although portions of the site continued to operate. U.S. Steel Canada entered CCAA protection again in 2014 and was separated from its American parent during the restructuring. Bedrock Industries acquired the business in 2016, and the Stelco name was restored in December of that year. The company returned to the Toronto Stock Exchange through an initial public offering in November 2017, raising approximately C$200 million. It later invested in additional capabilities, including pig-iron production at Lake Erie Works, and acquired a minority interest in the Hamilton Tiger-Cats football team. In 2024, Cleveland-Cliffs agreed to acquire Stelco for approximately US$2.5 billion. The transaction was completed later that year, ending Stelco's period as an independently traded public company. Stelco remains an active Canadian steel operation within Cleveland-Cliffs, with facilities in Hamilton and at Lake Erie Works in Nanticoke. Its identity continues to combine a historic Hamilton industrial brand with a more focused modern operating footprint serving Canadian and North American customers.
History
Stelco was created in 1910 as The Steel Company of Canada through the consolidation of several earlier Canadian businesses. The constituent companies included Hamilton Steel and Iron Company, Canada Screw Company, Montreal Rolling Mills, Dominion Wire Manufacturing Company and Canada Bolt and Nut Company. Charles Seward Wilcox, previously president of Hamilton Steel and Iron, became the first president. The consolidation created a large integrated industrial enterprise centered on Hamilton, Ontario. The company became an important employer and industrial institution in Hamilton during the twentieth century. Labour organization was contested for decades; a major breakthrough came during the 1946 founding strike associated with United Steelworkers of America Local 1005. Stelco's operations expanded beyond its principal Hamilton works and eventually included facilities involved in wire, pipe, rolling and other steel-related products. The Lake Erie Works in Nanticoke was developed as a newer integrated steel facility and was notable for its comparatively lower water consumption. Financial problems became acute in the early 2000s. In 2004, Stelco entered court-supervised protection from creditors under the Companies' Creditors Arrangement Act. The restructuring included the sale or separation of non-core businesses such as Stelwire, Norambar and Welland Pipe. Stelco exited CCAA protection on March 31, 2006, with its remaining activities reorganized into a number of operating businesses. U.S. Steel acquired Stelco in 2007 for a transaction value reported at approximately US$1.9 billion, consisting of cash and assumed debt. The purchase closed on October 31, 2007. Stelco was subsequently operated as U.S. Steel Canada, its shares were delisted from the Toronto Stock Exchange, and the Hamilton operation was referred to as Hamilton Works. The new ownership encountered difficult market conditions soon afterward. In 2009, U.S. Steel announced temporary shutdowns at Hamilton and most of Lake Erie Works, following substantial layoffs and the earlier idling of Hamilton's blast furnace. Customer-order declines and weak demand contributed to the shutdown of Hamilton Works in 2010. Although some assets found new operators, Hamilton's ironmaking and steelmaking functions did not return to their former scale. The primary steelmaking and ironmaking operations were permanently closed at the end of 2013, while coke ovens and cold-rolling and finishing activities continued. U.S. Steel Canada sought CCAA protection again in September 2014. During the resulting process, the Canadian business was separated from U.S. Steel Corporation. Bedrock Industries acquired U.S. Steel Canada in 2016. On December 2 of that year, the business resumed the Stelco name. Under the new ownership, Stelco pursued a return to public markets. Its initial public offering raised approximately C$200 million, and the shares began trading on the Toronto Stock Exchange on November 3, 2017. The public-company period included investment in Lake Erie Works, including pig-iron production capability added in 2021. Stelco also expanded its local community and sports presence by buying a 40 percent interest in the Hamilton Tiger-Cats in 2022. Stelco's history also includes environmental controversy. In the late 1980s, it was publicly criticized for industrial discharges into Hamilton Harbour involving substances such as cyanide, phosphorus, ammonia, solvents and phenols. Reports noted that cleanup efforts were being undertaken under provincial pollution-control orders and that harbour conditions were improving. The cessation of steelmaking in Hamilton reduced the site's later pollution profile, although the company's industrial legacy remains closely linked to Hamilton Harbour and the surrounding community. In July 2024, Cleveland-Cliffs announced plans to buy Stelco for approximately US$2.5 billion. The acquisition closed later in 2024. Stelco consequently became part of Cleveland-Cliffs and ceased to be an independently listed public company. Its active operations remain associated with Hamilton Works and Lake Erie Works, with the latter serving as the main integrated steelmaking facility.
- 2024
Acquisition by Cleveland-Cliffs
[1]Cleveland-Cliffs agrees to and completes the acquisition of Stelco for approximately US$2.5 billion.
- 2022
Hamilton Tiger-Cats investment
[1]Stelco acquires a 40 percent stake in the Hamilton Tiger-Cats.
- 2021
Pig-iron production added
[1]Lake Erie Works gains pig-iron production capability.
- 2017
Return to public markets
[1]Stelco completes an IPO and begins trading on the Toronto Stock Exchange on November 3.
- 2016
Stelco name restored
[1]Bedrock Industries acquires the Canadian business and restores the Stelco name in December.
- 2014
Second CCAA proceeding
[1]U.S. Steel Canada enters creditor protection, leading to its eventual separation from U.S. Steel Corporation.
- 2013
Hamilton steelmaking ends
[1]Hamilton's ironmaking and steelmaking operations are permanently closed, while selected finishing activities remain.
- 2007
Acquisition by U.S. Steel
[1]U.S. Steel acquires Stelco and subsequently operates the Canadian business as U.S. Steel Canada.
- 2006
Exit from restructuring
[1]Stelco exits CCAA protection after divesting non-core operations and restructuring its remaining businesses.
- 2004
Entry into CCAA protection
[1]Stelco enters court-supervised creditor protection during a financial restructuring.
Products and positioning
A Canadian, North American-focused steel supplier emphasizing integrated production, flat-rolled products, industrial scale and regional customer service.
Flat-rolled steel
Hot-rolled steel
Hot-rolled sheet and coil are produced by reducing and finishing steel at elevated temperatures. These products serve construction, transportation, energy and general industrial applications where high formability, structural performance and cost efficiency are important.
Flat-rolled steel
Cold-rolled steel
Cold-rolled products are further processed after hot rolling to achieve tighter dimensional control, smoother surfaces and specified mechanical properties. They are suited to applications requiring a more refined finish and consistent forming performance, including manufacturing and automotive uses.
Coated flat steel
Galvanized and coated steel
Coated steel products add corrosion resistance and improve service life in demanding environments. Stelco's coated offerings support building, automotive, infrastructure and other applications where exposed steel requires protection and a durable finished surface.
Ironmaking · 2021
Pig iron
Pig iron production capability was added at Lake Erie Works in 2021. Pig iron is an intermediate iron product made in a blast furnace and can be used as a metallic input in steelmaking or supplied for other industrial requirements.
Steelmaking materials
Coke
Coke-oven operations remain part of the Hamilton Works footprint. Metallurgical coke is used as a fuel and reducing agent in blast-furnace ironmaking and is an important supporting material in integrated steel production.
Controversies
2026
Canada industry minister demands plan from Cleveland-Cliffs to honour Stelco acquisition commitments
In October 2026, Canadian Industry Minister Mélanie Joly sent a letter to Stelco president Paul Simon demanding a plan outlining how Cleveland-Cliffs will honour the legally binding commitments it made when it acquired the steelmaker in 2024, including maintaining at least the same number of unionized employees and the vast majority of non-unionized employees for five years. Joly rejected the suggestion that U.S. tariffs and changing market conditions relieve the company of those obligations. Cleveland-Cliffs CEO Lourenco Goncalves called her comments totally unfair and said the company would respond to the letter within the five-business-day deadline, preparing two submissions, including a plan to meet its commitments and a detailed document with commercially sensitive information he said would be protected under the Investment Canada Act.
1989
Hamilton Harbour pollution criticism
Stelco was identified in environmental reporting as one of Ontario's significant industrial polluters. Historical discharges into Hamilton Harbour were associated with substances including cyanide, phosphorus, ammonia, solvents and phenols. Reporting also described cleanup work carried out under provincial pollution-control requirements and noted improving harbour conditions.
Brand decisions
2024
Sell Stelco to Cleveland-CliffsM&ABackground
Cleveland-Cliffs sought to expand its North American steel platform through the acquisition of Stelco's Canadian operations.
Action taken
Cleveland-Cliffs agreed to acquire Stelco for approximately US$2.5 billion and completed the transaction later in 2024.
Aftermath
Stelco became part of Cleveland-Cliffs and was no longer an independently listed public company.
Transaction value. Approximately US$2.5 billion (2024)
2022
Acquire a minority stake in the Hamilton Tiger-CatsM&ABackground
Stelco expanded its local corporate and community presence through an investment in Hamilton's professional football franchise.
Action taken
Stelco purchased a 40 percent interest in the Hamilton Tiger-Cats.
Aftermath
The investment strengthened the company's association with its historic Hamilton home market.
2021
Add pig-iron capabilityOtherBackground
Stelco sought to broaden the output of its Lake Erie integrated facility.
Action taken
The company added pig-iron production capability to the Lake Erie blast furnace.
Aftermath
Lake Erie Works gained an additional iron product alongside its steelmaking activities.
2017
Return to public ownershipOtherBackground
After its acquisition by Bedrock Industries and rebranding, Stelco sought capital through the Canadian public markets.
Action taken
Stelco completed an IPO that raised approximately C$200 million and listed on the Toronto Stock Exchange.
Aftermath
The company operated as an independently traded Canadian steel producer until its acquisition by Cleveland-Cliffs in 2024.
IPO proceeds. Approximately C$200 million (2017)
2014
Commence a second CCAA restructuringStrategyBackground
U.S. Steel Canada faced renewed financial and operational pressure after years of weak demand and facility closures.
Action taken
The Canadian business applied for creditor protection and was subsequently separated from U.S. Steel Corporation.
Aftermath
The restructuring enabled the 2016 sale to Bedrock Industries and the restoration of the Stelco identity.
2010
Close Hamilton Works steelmaking operationsStrategyBackground
Weak market conditions and declining customer orders reduced the economic viability of the Hamilton steelmaking operation.
Action taken
U.S. Steel shut down Hamilton Works, with primary steelmaking and ironmaking later permanently closed.
Aftermath
Hamilton retained selected coke, cold-rolling and finishing activities, while Lake Erie Works became the principal steelmaking site.
2007
Sell Stelco to U.S. SteelM&ABackground
Stelco's restructuring and financial position created an opportunity for acquisition by a larger international steel producer.
Action taken
U.S. Steel acquired the company for approximately US$1.9 billion, including cash and assumed debt.
Aftermath
The business was renamed and operated as U.S. Steel Canada, and its Toronto Stock Exchange listing was removed.
Transaction value. Approximately US$1.9 billion (2007)
2004
Enter court-supervised restructuringStrategyBackground
Financial difficulties and creditor pressure made a formal restructuring necessary.
Action taken
Stelco sought protection under the Companies' Creditors Arrangement Act and began divesting non-core operations.
Aftermath
The company exited CCAA protection in 2006 with a reorganized operating structure.
Recent events
- Unconfirmed
Reported
Stelco continues Hamilton plant layoffs[5]
Stelco continued laying off hundreds of workers at its Hamilton steel plant, citing pressure from U.S. tariffs. The federal government said the layoffs breached Stelco's binding agreement to maintain jobs.
Reported
Stelco layoffs take effect as it indefinitely idles Hamilton Works cold rolled and coated steel operations[6]
Stelco is set to indefinitely idle its cold rolled and coated steel operations at Hamilton Works beginning October 9, 2026, with up to 500 employees across its Hamilton and Lake Erie facilities potentially affected; the United Steelworkers union estimates about 350 Hamilton workers will lose their jobs. Stelco attributes the decision to weak demand, continued imports and the impact of U.S. tariffs on Canadian steel, and says it will shift production toward its Lake Erie Works facility in Nanticoke. The union says available positions at Nanticoke are far fewer than the number of Hamilton workers facing layoffs and has questioned the company's explanation for the cuts. Cleveland Cliffs acquired Stelco in 2024 under conditions that included commitments to maintain employment levels, and Industry Minister Mélanie Joly has warned that Ottawa could take legal action if the company fails to meet those obligations.
Reported
Canada's industry minister demands compliance plan from Stelco and Cleveland-Cliffs over job commitments and threatens enforcement[4]
Canada's Industry Minister Melanie Joly said Wednesday that Stelco Holdings and its U.S. parent Cleveland-Cliffs cannot characterize planned layoffs of up to 500 workers as an 'act of God' or force majeure, saying the employment undertakings made when Ottawa approved the 2024 takeover are binding. She said she sent a letter on Monday to Stelco president Paul Simon demanding a plan outlining how Cleveland-Cliffs intends to comply with all undertakings, including maintaining more than 1,500 jobs, and warned that Ottawa will pursue enforcement action if the company does not comply. Ottawa had not yet received a response from Stelco on the letter.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
Reported
Stelco begins issuing layoff notices as first of up to 500 job cuts set to take effect Sunday[7]
Stelco Holdings Inc., the Hamilton, Ontario steelmaker owned by U.S.-based Cleveland-Cliffs Inc., has started handing out layoff notices at its Hamilton plant as the first stage of plans to cut up to 500 workers across its Hamilton and Lake Erie facilities over about three weeks, citing the ongoing trade crisis, weak demand and continued import pressure. About 90 workers were expected to receive notices this week, with the first layoffs taking effect Sunday; roughly 330 Hamilton workers are affected, with additional cuts expected among co-op workers and Lake Erie Works pickling employees. The company describes the cuts as indefinite layoffs while the union treats them as temporary under its collective agreement. Industry Minister Mélanie Joly has threatened legal action against Cleveland-Cliffs if it fails to provide a plan outlining how it will honour the job commitments made when it acquired Stelco in 2024.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
- Unconfirmed
Reported
Stelco plans to lay off up to 500 workers amid U.S. tariffs and market pressures[4]
Stelco Holdings, the Hamilton-based steelmaker owned by U.S.-based Cleveland-Cliffs, has a plan to lay off up to 500 workers, which it attributes to U.S. tariffs and market pressures. Canada's industry minister disputes the cuts, saying they conflict with binding employment commitments made when Ottawa approved Cleveland-Cliffs' 2024 takeover of Stelco.
Reported
Stelco begins issuing layoff notices as first job cuts set to take effect Oct. 11[3]
Stelco, the Canadian steelmaker owned by Cleveland-Cliffs, began issuing individual layoff notices in Hamilton on Oct. 7, 2026, with about 90 workers expected to receive notices this week; the first layoffs take effect Sunday, Oct. 11, with roughly 330 Hamilton workers expected to be affected over three weeks, plus additional cuts at Lake Erie Works (where 40 to 50 workers could be laid off as early as Oct. 24 as pickling-line operations are reduced) and among co-op workers. The move implements a plan announced the prior week to lay off up to 500 workers across the Hamilton and Lake Erie facilities, citing the ongoing trade crisis, weak demand and continued import pressure. Cleveland-Cliffs CEO Lourenco Goncalves said the layoffs are temporary and that workers will be brought back once a Canada-U.S. steel trade deal is reached.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
Reported
Canada industry minister demands plan from Cleveland-Cliffs to honour Stelco acquisition commitments[3]
On Monday, Oct. 5, 2026, Canadian Industry Minister Mélanie Joly sent a letter to Stelco president Paul Simon demanding a plan outlining how Cleveland-Cliffs will honour the legally binding commitments it made when it acquired the steelmaker in 2024, including maintaining at least the same number of unionized employees and the vast majority of non-unionized employees for five years. Joly rejected the suggestion that U.S. tariffs and changing market conditions relieve the company of those obligations. Cleveland-Cliffs CEO Lourenco Goncalves called her comments totally unfair and said the company would respond to the letter by Tuesday, Oct. 13, within the five-business-day deadline, preparing two submissions, including a plan to meet its commitments and a detailed document with commercially sensitive information he said would be protected under the Investment Canada Act.
Weekdays and relative dates follow the original report; their exact calendar dates have not been verified.
Reported
Stelco reports higher second-quarter earnings[8]
Stelco Holdings Inc. reported second-quarter earnings of $363 million, up from nil in the same quarter a year earlier, and revenue of $918 million, compared with $411 million a year earlier. The company attributed the increase to higher steel prices and shipping volumes.
Sources9 sources
- 1Stelcoen.wikipedia.org
- 2Stelco official websitestelco.com
- 3Canada industry minister demands plan from Cleveland-Cliffs to honour Stelco acquisition commitmentswinnipegfreepress.com
- 4Canada industry minister demands plan from Cleveland-Cliffs to honour Stelco acquisition commitmentscbc.ca
- 5Stelco继续裁减汉密尔顿工厂员工globalnews.ca
- 6Stelco无限期停运汉密尔顿工厂冷轧及涂层钢业务，裁员开始生效canadianinquirer.net
- 7斯特尔科开始发放裁员通知，首批裁员将于周日生效，裁员总人数可达500人globalnews.ca
- 8Stelco公布第二季度盈利增长infotel.ca
- 9Joly threatens ‘full force of the law’ over Cleveland-Cliffs’ Stelco job commitmentsbnnbloomberg.ca
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