Top steel companies in Canada
| 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 | Algoma Steel Group INC | Canada | Sault Ste Marie | 105 West St | Ontario | P6A 7B4 | algoma.***** | 1901 | $2,067,239,682 | 99 | Corporation | 9 | N/A |
| 2 | Gerdau Ameristeel CORPORATION | Canada | Whitby | 1 Gerdau Crt | Ontario | L1N 5T1 | www2.***** | 1970 | $1,954,435,200 | 4,800 | Corporation | 471 | 8366705 |
| 3 | Canadian Solar INC | Canada | Kitchener | 4273 King St E Suite 102 | Ontario | N2P 2E9 | canadiansolar.***** | 2001 | $1,521,241,000 | 13,478 | Corporation | 136 | N/A |
| 4 | Algoma Steel INC | Canada | Sault Ste Marie | 105 West St | Ontario | P6A 7B4 | algoma.***** | 2016 | $1,221,522,000 | 3,000 | Corporation | 9 | N/A |
| 5 | Old Steelco INC | Canada | Sault Ste Marie | 105 West St | Ontario | P6A 7B4 | algoma.***** | 1901 | $1,180,804,600 | 2,900 | Corporation | 9 | 8914052 |
| 6 | Windsor Machine & Stamping (2009) LTD | Canada | Windsor | 2187 Huron Church Rd Unit 340a | Ontario | N9C 2L8 | windsormachine.***** | 2013 | $1,058,652,400 | 2,600 | Corporation | 7 | N/A |
| 7 | Stelco INC | Canada | Hamilton | 386 Wilcox St | Ontario | L8L 8K5 | stelco.***** | 2024 | $895,782,800 | 2,200 | Corporation | 220 | 16508511 |
| 8 | Arcelormittal Produits Longs Canada S.e.n.c. | Canada | Contrecoeur | 4000 Rte Des Acieries | Québec | J0L 1C0 | long-canada.***** | 2015 | $407,174,000 | 1,000 | Partnership of unknown type | 9 | N/A |
| 9 | Ivaco Rolling Mills 2004 L.P. | Canada | L'Orignal | 1040 Hwy 17 | Ontario | K0B 1K0 | ivacorm.***** | 1970 | $285,021,800 | 700 | Partnership of unknown type | 162 | N/A |
| 10 | Welded Tube Of Canada CORP | Canada | Concord | 111 Rayette Rd | Ontario | L4K 2E9 | weldedtube.***** | 2012 | $244,304,400 | 600 | Corporation | 6 | N/A |
| 11 | Molycop LTD | Canada | Kamloops | 250 Andover Cres | British Columbia | V2C 6X2 | molycop.***** | 2011 | $162,869,600 | 400 | Corporation | 13 | N/A |
| 12 | Altasteel INC | Canada | Edmonton | 9401 34 St Nw | Alberta | T6B 2X6 | altasteel.***** | 2017 | $156,761,990 | 385 | Corporation | 50 | N/A |
| 13 | Bailey-Hunt LIMITED | Canada | Concord | 1 Caldari Rd | Ontario | L4K 3Z9 | bmp-group.***** | 1950 | $154,726,120 | 380 | Corporation | 5180 | N/A |
| 14 | Les Forges De Sorel Cie | Canada | Saint-joseph-de-sorel | 100 Rue Mccarthy | Québec | J3R 3M8 | sorelforge.***** | 1939 | $146,582,640 | 360 | Corporation | 271 | N/A |
| 15 | Dfi CORPORATION | Canada | Edmonton | 2404 51 Ave Nw | Alberta | T6P 0E4 | dfipiling.***** | 1969 | $122,966,548 | 302 | Corporation | 6 | N/A |
| 16 | Bailey Metal Products LIMITED | Canada | Concord | 1 Caldari Rd | Ontario | L4K 3Z9 | bmp-group.***** | 1950 | $122,966,548 | 302 | Corporation | 5180 | N/A |
| 17 | Max Aicher (north America) Realty INC. | Canada | Hamilton | 855 Industrial Dr | Ontario | L8L 0B2 | mana-barmill.***** | 2010 | $50,896,750 | 125 | Corporation | 86 | N/A |
| 18 | Central Wire Industries LTD | Canada | Perth | 1 North St | Ontario | K7H 2S2 | centralwire.***** | 1979 | $36,277,600 | 200 | Corporation | 18 | N/A |
| 19 | Edmonton Exchanger & Manufacturing LTD | Canada | Edmonton | 5545 89 St Nw | Alberta | T6E 5W9 | edmontonexchanger.***** | 2005 | $34,100,944 | 188 | Corporation | 4 | N/A |
| 20 | Westman Steel INC | Canada | Winnipeg | 2976 Day St | Manitoba | R2C 2Z2 | westmangroup.***** | 1999 | $28,115,140 | 155 | Corporation | 69 | N/A |
| 21 | Canadian National Steel CORPORATION | Canada | Camrose | 5302 39 St | Alberta | T4V 2N8 | evrazna.***** | 2005 | $27,208,200 | 150 | Corporation | 411 | N/A |
| 22 | Les Structures G.B. Ltee | Canada | Rimouski | 105 Montee Industrielle-et-commerciale | Québec | G5M 1A8 | structuresgb.***** | 1978 | $27,208,200 | 150 | N/A | N/A | |
| 23 | Almita Piling INC | Canada | Ponoka | Gd Stn Main | Alberta | T4J 1R4 | almita.***** | 2010 | $25,394,320 | 140 | 4 | 7339810 | |
| 24 | Matalco Canada INC | Canada | Brampton | 850 Intermodal Dr | Ontario | L6T 0B5 | matalco.***** | 2023 | $22,643,195 | 97 | Corporation | N/A | N/A |
| 25 | Max Aicher (north America) LIMITED | Canada | Hamilton | 855 Industrial Dr | Ontario | L8L 0B2 | mana-barmill.***** | 2010 | $22,310,724 | 123 | Corporation | 86 | N/A |
Showing 25 of 846 companies
Request Free SampleSteel companies in Canada by province
846 steel companies across 10 Canadian provinces and territories. Hover any province to see its share of the Canadian steel companies market.
Steel companies in Canada by employee size
| Bracket | Companies | Share |
|---|---|---|
| 1-4 | 350 | |
| 5-9 | 209 | |
| 10-19 | 106 | |
| 20-49 | 80 | |
| 50-99 | 40 | |
| 0 or Unknown | 22 | |
| 100-199 | 20 | |
| 200-499 | 12 | |
| 500-999 | 4 | |
| 1.000-4.999 | 3 |
Steel companies in Canada by revenue
| Bracket | Companies | Share |
|---|---|---|
| 1.000.000 to 4.999.999 | 305 | |
| 100.001 to 499.999 | 233 | |
| 0 or Unknown | 111 | |
| 500.000 to 999.999 | 78 | |
| 5.000.000 to 9.999.999 | 51 | |
| 10.000.000 to 49.999.999 | 51 | |
| 100.000.000 to 499.999.999 | 9 | |
| 1.000.000.000 or more | 6 | |
| 50.000.000 to 99.999.999 | 1 | |
| 500.000.000 to 999.999.999 | 1 |
SIC and industry classification for Canadian steel companies
Canadian steel companies fall under SIC code 3312. The list above covers every active Canadian company tagged with this code plus closely related codes, so the province and revenue breakdowns reflect the entire sector rather than a sample.
Closely related business services
Frequently asked questions about steel companies in Canada
Our list tracks 846 active steel companies across all ten Canadian provinces and three territories, sourced from federal Corporations Canada (ISED) and provincial business registries and verified monthly. The exact count changes as firms register, dissolve and merge.
The province with the most steel companies is Ontario, followed by Quebec, British Columbia, Alberta and Manitoba. The full province breakdown above shows the share each Canadian province and territory holds.
Canadian steel companies are primarily covered by SIC code 3312. The list above covers every active Canadian company tagged with this code plus closely related codes. The platform link beside each result lets you filter by sub-code or by SIC major group.
Yes. Apply your filters (province, size, revenue, etc.) on the platform, preview the result, then export the full filtered list as CSV or Excel. Larger exports are delivered by email link. Request a free sample first if you want to evaluate the data before you buy.
Every record includes the firm name, full business address, primary phone, business email (where available), website, BN, employee size, revenue band, founding year and SIC classification. Records are sourced from federal Corporations Canada and provincial registries and re-verified monthly.
Monthly. Each refresh removes firms that have dissolved and adds new registrations from the latest federal and provincial registry feeds. The "Last updated" line at the top of this page shows the most recent refresh date.
10 Canadian provinces and territories have at least one active steel companie in our list. The province with most steel companies is Ontario, followed by Quebec, British Columbia, Alberta and Manitoba. Use the interactive province map above to compare any two provinces by share of the Canadian steel companies market.
