List of Steel Companies in the USA

Last updated 21 October 2026

There are 5,495 steel companies in the USA, one in every 11,623 US companies. Most of them are small: two in three have one to four people, and only 383 firms employ 50 people or more. One in fifteen steel firms is based in Houston, Pittsburgh, Brooklyn, Chicago and Dallas. Below you find the largest steel firms in the USA, the cities where they cluster, how many started this year and which are the oldest. The full list with addresses, phone numbers and email is in our US company database or through the Company Data API.

5,495 companies indexed · Data counted on 21 October 2026

Companies5,4951 in11,623 US companiesCities2,217Largest cityHouston 121Sole traders5%Employees1-4 (67%)Revenue$100-500K (52%)Email30%Phone65%Website44%

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A live view of all 5,495 steel firms, sorted by revenue. Narrow it by region, city, employee size, revenue, legal form or founding year, or search a firm by name.

Nucor CORPORATIONNucor CORPORATION

	Company Name	Country	City	Address 1	State/Province	Postal Code	Website	Founding Year	Yearly Revenue in U.S. Dollars	Employees Total	Business Legal Type - Description	Number of Companies in Group	Company Registration Number
1	Nucor CORPORATION	USA	Charlotte	1915 Rexford Rd Ste 400	Mecklenburg	28211-3888	nucor.*****	1958	$32,494,000,000	33,000	Corporation	542	522114
2	Cleveland-Cliffs INC.	USA	Cleveland	200 Public Sq Ste 3300	Cuyahoga	44114-2315	clevelandcliffs.*****	1847	$18,610,000,000	25,000	Corporation	219	649806
3	Steel Dynamics, INC.	USA	Fort Wayne	7575 W Jefferson Blvd	Allen	46804-4131	benefits.*****	1993	$18,176,581,000	14,400	Corporation	152	1994061014
4	United States Steel CORP	USA	Pittsburgh	600 Grant St	Allegheny	15219-2702	ussteel.*****	2025	$15,640,000,000	22,053	Corporation	1868	3396733
5	Cliffs Steel INC.	USA	Cleveland	200 Public Sq Ste 3300	Cuyahoga	44114-2315	clevelandcliffs.*****	2021	$6,381,192,645	17,884	Corporation	219	4786099
6	Cleveland-Cliffs Steel Holding CORPORATION	USA	Cleveland	200 Public Sq Ste 3300	Cuyahoga	44114	clevelandcliffs.*****	2020	$5,346,219,419	17,884	Corporation	219	2364486
7	The Renco Group INC	USA	New York	1 Rockefeller Plz Fl 29	New York	10020-2021	rencogroup.*****	1975	$3,256,940,818	15,000	Corporation	205	1104392
8	Carpenter Technology CORPORATION	USA	Philadelphia	1735 Market St Fl 15	Philadelphia	19103-7505	carpentertechnology.*****	1889	$2,877,100,000	4,500	Corporation	48	688712
9	Gerdau Ameristeel CORPORATION	USA	Tampa	4221 W Boy Scout Blvd Ste 600	Hillsborough	33607-5760	gerdau.*****	2004	$2,255,555,083	52,850	Corporation	510	N/A
10	Cleveland-Cliffs Steel CORPORATION	USA	Cleveland	200 Public Sq Ste 3300	Cuyahoga	44114-2315	clevelandcliffs.*****	1989	$1,897,177,054	6,200	Corporation	219	2190200
11	Cleveland-Cliffs Steel LLC	USA	Chicago	1 S Dearborn St Fl 19	Cook	60603-2302	N/A	2020	$1,865,173,753	11,672	Corporation	219	3494636
12	Suncoke Energy, INC.	USA	Lisle	1011 Warrenville Rd Ste 600	Dupage	60532-0904	suncoke.*****	1960	$1,837,300,000	2,477	Corporation	58	4909555
13	Titan International, INC.	USA	West Chicago	1525 Kautz Rd Ste 600	Dupage	60185-9601	titan-intl.*****	1890	$1,828,443,000	8,200	Corporation	83	5715926
14	Gerdau Ameristeel Us INC.	USA	Tampa	4221 W Boy Scout Blvd Ste 600	Hillsborough	33607-5760	gerdau.*****	1999	$1,501,159,342	45,000	Corporation	510	195537
15	Metallus INC.	USA	Canton	1835 Dueber Ave Sw	Stark	44706-2728	timkensteel.*****	1899	$1,158,300,000	1,865	Corporation	15	2240402
16	Charlotte Pipe And Foundry Company	USA	Charlotte	2109 Randolph Rd	Mecklenburg	28207-1521	charlottepipe.*****	1901	$841,884,876	1,828	Corporation	45	0027080
17	Haynes International, INC.	USA	Kokomo	1020 W Park Ave	Howard	46904	haynesintl.*****	2024	$589,956,000	1,284	Corporation	141	2109284
18	Webco Industries, INC.	USA	Sand Springs	13301 W Highway 51	Tulsa	74063-5025	webcotube.*****	1969	$584,678,000	1,500	Corporation	18	1900350003
19	Charter Manufacturing Company, INC.	USA	Mequon	12121 Corporate Pkwy	Ozaukee	53092-3332	chartermfg.*****	1990	$570,481,866	2,050	Corporation	26	S 041393
20	L. B. Foster Company	USA	Pittsburgh	415 Holiday Dr Ste 1	Allegheny	15220-2793	lbfoster.*****	1902	$540,009,000	1,191	Corporation	77	0002811554
21	Ellwood Group, INC.	USA	Ellwood City	600 Commercial Ave	Lawrence	16117	ellwoodgroup.*****	1910	$509,818,860	1,903	Corporation	32	0002980162
22	Oregon Steel Mills LLC	USA	Chicago	71 S Wacker Dr Ste 1700	Cook	60606-4637	orionsteel.*****	2025	$502,833,860	2,091	Corporation	427	782834
23	Allegheny Ludlum, LLC	USA	Pittsburgh	1000 Six Ppg Pl	Allegheny	15222	alleghenyludlum.*****	1996	$498,922,667	10,900	Corporation	118	0004070480
24	Steel Dynamics Columbus, LLC	USA	Columbus	1945 Airport Rd	Lowndes	39701-9526	columbus.*****	2005	$498,554,391	790	Corporation	152	4003689
25	C M C Steel Fabricators, INC.	USA	Seguin	1 Steel Mill Dr	Guadalupe	78155-7510	cmc.*****	1978	$494,622,224	1,911	Corporation	386	0042590700

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Largest steel firms in the USA

The biggest firms by staff and by revenue, the largest in Houston, the biggest newcomers of 2026 and the oldest firms. Click a name for the record.

Gerdau Ameristeel is the largest steel firm in the USA by headcount. 383 firms employ 50 people or more; 240 employ 100 or more.

1Tampa52,850 staff
2Cleveland25,000 staff
3Pittsburgh22,053 staff
4Fort Wayne14,400 staff
5Irving12,722 staff
6Pittsburgh10,900 staff
7West Chicago8,200 staff
8Monessen5,010 staff
9Philadelphia4,500 staff
10Lisle2,477 staff

By employee size · 5,486 firms with a known headcount

Employees	Firms	%
1-4	3,671	67%
5-9	713	13%
10-19	420	8%
20-49	299	5%
50-99	143	3%
100-199	100	2%
200-499	94	2%
500-999	33	0.6%
1,000+	13	0.2%

67% have 1 to 4 people; 299 have 20 to 49; 383 have 50 or more.

By yearly revenue (USD)

Revenue	Firms	%
< $100K	972	21%
$100K-$500K	2,382	52%
$500K-$1M	424	9%
$1M-$5M	525	11%
$5M-$10M	104	2%
$10M-$50M	104	2%
$50M-$100M	21	0.5%
$100M-$500M	31	0.7%
$500M+	22	0.5%

52% between $100,000 and $500,000; 525 between $1M and $5M; 282 above $5M.

Where in the USA?

Houston has the most steel companies in the USA (121), ahead of Pittsburgh (94), Brooklyn (65), Chicago (53) and Dallas (45). Together the five hold one in fifteen of them.

Cities by number of firms

2,217 US cities have at least one steel firm; 79 have ten or more; 1,349 have exactly one. Click a city to set the lens.

By county 847 counties

County	Firms	%
Harris	157	3%
Allegheny	136	2%
Los Angeles	120	2%
Cook	110	2%
Orange	103	2%
Maricopa	93	2%
Miami-Dade	80	1%
Dallas	79	1%
Kings	67	1%
Tarrant	67	1%

Show all 847

Firm sizes in the USA

Of the 5,486 US steel firms with a known headcount, 3,671 (67%) have one to four people, 713 have five to nine, 719 have ten to 49 and 383 have 50 or more. Most firms turn over between $100,000 and $500,000 a year (2,382, 52%).

EU size bands · the grey line shows all US companies

Micro under 104,384 80%
Small 10 to 49719 13%
Medium 50 to 249337 6%
Large 250+46 0.8%

Grey line: the share among all US companies (96% have under ten staff).

282

firms turn over more than $5 million a year; 178 more than $10 million.

firms were entered in 2026.

Steel firms in Houston

Houston has 121 steel companies and steel firms, <0.1% of all 881,247 Houston companies and 60% above the national share. Two in three Houston firms have fewer than five people; 9 have 50 or more. 1 new firm was entered in 2026, 11 date from before 1990.

Size

1-4 staff: 79 · 65%
5-9: 14 · 12%
10-19: 12 · 10%
20-49: 7 · 6%
50+: 9 · 7%

Legal form

Sole traders: 4 · 3%
Partnerships: 2 · 2%
Corporations and LLCs: 71 · 59%
Other or none: 44 · 36%

Of the US total: 2.2%
Of all Houston companies: <0.1%
Against the national share: 1.6×

New

Entered 2026 so far: 1
Entered 2025: 1
Of USA's 2026 entries: 2.3%

Old

Before 1990: 11 · 9%
1990 or later: 110 · 91%
Of USA's pre-1990 firms: 2.2%

Reachable

Email: 40 · 33%
Phone: 81 · 67%
Website: 64 · 53%

Revenue (USD)

Under $100K: 11 · 11%
$100K-$500K: 61 · 60%
$500K-$1M: 9 · 9%
$1M and more: 20 · 20%

Largest

14,649
2217
3121
485
584

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How many steel companies are there in the USA?

Steel companies and steel firms in the USA

5,495

21 October 2026

There are 5,495 steel companies and steel firms in the USA in our data (21 October 2026). That is one in every 11,623 US companies. About one new firm is entered in the register every week this year (44 so far in 2026).

Structure

Single-site firms: 4,339 79%
Head offices: 248
Branch offices: 908

Classification

Our platform filter is SIC 3312.

3,260 of the 5,495 are corporations and LLCs (59%); 270 are sole traders. They come from the state business registers and our US register data, through the Company Data API.

Sole traders or corporations: how they are organised

One in twenty US steel firms work as sole traders, against 5% of all US companies. Three in five are corporations and LLCs.

Sole traders2705%
Partnerships1022%
Corporations and LLCs3,26059%
No form on record or other1,86334%

Single-site: 79%
Head offices: 248
Branches: 908

All US companies: 5% sole traders, 1% partnerships, 68% corporations and LLCs.

The oldest firms in the USA

Our data holds 6 US steel firms from before 1900, 33 from before 1950 and 491 from before 1990.

1810
1. Coatesville
1847
1. Cleveland
1870
1. North Haven
1889
1. Philadelphia
1890
1. West Chicago
1899
1. Canton

Older than you

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Move the slider to a year. Two live counts, scoped to this industry.

1990

491

US steel firms date from before 1990

were entered in 1990

Newcomers in the USA in 2026

44 steel firms were entered in the US register so far in 2026, about one per week, after 154 in 2025. The USA as a whole saw 2,970,531 new companies in 2026, so this industry takes <0.1% of the inflow.

1432022
2202023
2222024
1542025
442026 so far

43 of this year's 44 are corporations and LLCs.

The biggest newcomers of 2026

The year is the register entry; an established firm that changes legal form appears as new.

1Tanner45 staff
2Miami2 staff
3Mcdonough2 staff
4Houston2 staff
5South Easton2 staff

How reachable are they?

Steel firms are easier to reach than the average US company: 65% list a phone number and 44% a website.

Email1,635 30%
Phone3,576 65%
Website2,440 44%

Grey line: all US companies (email 15%, phone 42%, website 24%).

The full list with these fields is in our US company database.

How they compare

Next to related industries

There are 2 gunsmiths for every steel firm in the USA.

Industry	Firms	Website	1-4 staff
Gunsmiths	8,736	82%	91%
Steel Companies	5,495	44%	67%
Glass Companies	1,133	58%	57%
Gemstone and Lapidary Businesses	1,070	48%	82%
Gold Companies	711	32%	69%
Hydraulic Equipment Suppliers	505	70%	47%

In other countries

The USA has more steel firms than Germany or the UK.

Country	Firms	Per 1,000 cos.
South Africa	9,266	1.2
The USA	5,495	0.1
Germany	1,197	0.2
The UK	1,055	0.1
Brazil	937	0.0

More countries →

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Frequently asked questions

How many steel companies are there in the USA?

There are 5,495 steel companies and steel firms in the USA in our data, counted on 21 October 2026. That is one in every 11,623 US companies.

Which is the largest steel firm in the USA?

Gerdau Ameristeel in Tampa, with 52,850 staff. By revenue Nucor in Charlotte leads with $32.5 billion a year.

Which US city has the most steel companies?

Houston, with 121, ahead of Pittsburgh (94), Brooklyn (65), Chicago (53) and Dallas (45).

How many steel firms are there in Houston?

121, which is <0.1% of all 881,247 Houston companies and 60% above the national share.

How big is a typical steel firm?

Small. 67% of the 5,486 firms with a known headcount have one to four people; 383 have 50 or more. Most turn over between $100,000 and $500,000 a year.

Are US steel companies sole traders or companies?

One in twenty (270) are sole traders, 2% are partnerships and 59% (3,260) are corporations and LLCs.

How many steel firms started in 2026?

44 were entered in the US register so far in 2026, after 154 in 2025. 43 of them are corporations and LLCs.

What is the oldest steel firm in the USA?

Lukens in Coatesville, 1810, followed by Cleveland-Cliffs in Cleveland (1847) and Hartford Wire Works Co in North Haven (1870). 6 firms date from before 1900.

Which industry code covers steel companies?

Our platform filters them on SIC 3312 (steel works, blast furnaces, including coke ovens, and rolling mills).

Can I download the full list?

Yes. All 5,495 firms with address, phone, email, legal form, employees, revenue and founding year, as Excel, CSV or through the API.

Discover more: related industries, by city, in other countries

The lists closest to this one. Every industry and city in the USA is on the USA page.

Manufacturing

Companies in US cities

Europe

Americas

Asia Pacific

Steel Companies in Australia

Africa and Middle East

Steel Companies in South Africa

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