SIC 3310 · Manufacturing

Steel Works, Blast Furnaces & Rolling & Finishing Mills

OpenFilings tracks 6 companies that the SEC classifies under Standard Industrial Classification code 3310; the most recent filing among them is dated Oct 27, 2026. 6 of them report standardized annual figures in XBRL, shown in the revenue column.

SEC EDGAR snapshot updated Oct 27, 2026, 11:27 PM EDT. Not investment advice.

Companies in this industry

Steel Works, Blast Furnaces & Rolling & Finishing Mills companies (SIC 3310)
#CompanyStateLatest filingRevenue (latest FY)
911GGB GERDAU S.A.—Oct 27, 2026BRL 69.9BFY2025
1667WOR WORTHINGTON ENTERPRISES, INC.OHOct 23, 2026$1.4BFY2026
1962WS Worthington Steel, Inc.OHOct 23, 2026$3.4BFY2026
2224SID NATIONAL STEEL CO—Oct 9, 2026$43.7BFY2024
2340ROCK GIBRALTAR INDUSTRIES, INC.NYOct 15, 2026$1.1BFY2025
2807IIIN INSTEEL INDUSTRIES INCNCOct 22, 2026$647.7MFY2025

Ranked by position in the SEC company ticker list (roughly by market value) among all companies we track. Revenue is the latest full fiscal year; amounts in a foreign currency are shown with its code.

Latest reports from these companies

Annual, quarterly and current reports and proxy statements filed by the companies above, newest first.

Recent filings, SIC 3310
FiledCompanyFormWhat it isOriginal
Oct 27, 2026GGB GERDAU S.A.6-KReport of a foreign private issuer· period Oct 27, 2026Document · Index
Oct 26, 2026GGB GERDAU S.A.6-KReport of a foreign private issuer· period Oct 26, 2026Document · Index
Oct 26, 2026GGB GERDAU S.A.6-KReport of a foreign private issuer· period Oct 26, 2026Document · Index
Oct 26, 2026GGB GERDAU S.A.6-KReport of a foreign private issuer· period Oct 26, 2026Document · Index
Oct 26, 2026GGB GERDAU S.A.6-KReport of a foreign private issuer· period Oct 23, 2026Document · Index
Oct 23, 2026WOR WORTHINGTON ENTERPRISES, INC.8-KRegulation FD disclosure· period Oct 22, 2026Document · Index
Oct 23, 2026WS Worthington Steel, Inc.8-KRegulation FD disclosure· period Oct 23, 2026Document · Index
Oct 22, 2026IIIN INSTEEL INDUSTRIES INC8-KResults of operations· period Oct 22, 2026Document · Index
Oct 21, 2026WS Worthington Steel, Inc.8-KRegulation FD disclosure· period Oct 21, 2026Document · Index
Oct 15, 2026ROCK GIBRALTAR INDUSTRIES, INC.8-KMaterial agreement; Regulation FD disclosure· period Oct 15, 2026Document · Index
Oct 13, 2026WS Worthington Steel, Inc.10-QQuarterly report· period Aug 31, 2026Document · Index
Oct 9, 2026SID NATIONAL STEEL CO6-KReport of a foreign private issuer· period Dec 31, 2026Document · Index
Oct 9, 2026WOR WORTHINGTON ENTERPRISES, INC.10-QQuarterly report· period Aug 31, 2026Document · Index
Oct 7, 2026WS Worthington Steel, Inc.8-KResults of operations; Other events· period Oct 6, 2026Document · Index
Sep 29, 2026SID NATIONAL STEEL CO6-KReport of a foreign private issuer· period Sep 30, 2026Document · Index
Sep 25, 2026WOR WORTHINGTON ENTERPRISES, INC.8-KResults of operations; Director or officer change; Shareholder vote results· period Sep 21, 2026Document · Index
Sep 24, 2026WS Worthington Steel, Inc.8-KShareholder vote results· period Sep 23, 2026Document · Index
Sep 22, 2026WOR WORTHINGTON ENTERPRISES, INC.8-KResults of operations; Other events· period Sep 22, 2026Document · Index
Sep 15, 2026SID NATIONAL STEEL CO6-KReport of a foreign private issuer· period Sep 30, 2026Document · Index
Sep 15, 2026WOR WORTHINGTON ENTERPRISES, INC.8-KRegulation FD disclosure· period Sep 15, 2026Document · Index
Sep 14, 2026SID NATIONAL STEEL CO6-KReport of a foreign private issuer· period Sep 30, 2026Document · Index
Sep 8, 2026WS Worthington Steel, Inc.8-KMaterial agreement; Regulation FD disclosure· period Sep 8, 2026Document · Index
Sep 3, 2026SID NATIONAL STEEL CO6-KReport of a foreign private issuer· period Sep 30, 2026Document · Index
Sep 1, 2026GGB GERDAU S.A.6-KReport of a foreign private issuer· period Aug 31, 2026Document · Index
Aug 31, 2026WOR WORTHINGTON ENTERPRISES, INC.8-KMaterial agreement; New financial obligation· period Aug 31, 2026Document · Index

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Source

  • U.S. Securities and Exchange Commission, EDGAR company submissions (SIC code and description) and XBRL company facts. The SEC does not endorse OpenFilings.