Steel Works, Blast Furnaces & Rolling & Finishing Mills
SIC 3310 · 7 companies
This page lists all SEC-registered public companies classified under SIC code 3310 (Steel Works, Blast Furnaces & Rolling & Finishing Mills). SIC — Standard Industrial Classification — is a four-digit code system used by the SEC to group companies by their primary line of business. You can also view financial rankings for this industry.
The Steel Works, Blast Furnaces & Rolling & Finishing Mills industry includes 7 SEC-registered public companies.
The largest by revenue is Worthington Steel, Inc.,
which reported $3.1B in FY2025.
Companies in this industry with available XBRL data collectively reported $4.6B in revenue across their most recent fiscal years.
| Company | Ticker | Exchange | State | Filings |
|---|---|---|---|---|
| FRIEDMAN INDUSTRIES INC | FRD | NASDAQ | TX | 578 |
| GERDAU S.A. | GGB | NYSE | D5 | 579 |
| GIBRALTAR INDUSTRIES, INC. | ROCK | NASDAQ | DE | 1,001 |
| INSTEEL INDUSTRIES INC | IIIN | NYSE | NC | 1,000 |
| NATIONAL STEEL CO | SID | NYSE | D5 | 1,001 |
| WORTHINGTON ENTERPRISES, INC. | WOR | NYSE | OH | 1,000 |
| Worthington Steel, Inc. | WS | NYSE | OH | 182 |