SIC 1221 · Mining, Oil and Gas

Bituminous Coal & Lignite Surface Mining

OpenFilings tracks 3 companies that the SEC classifies under Standard Industrial Classification code 1221; the most recent filing among them is dated Oct 26, 2026. 3 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

Bituminous Coal & Lignite Surface Mining companies (SIC 1221)
#CompanyStateLatest filingRevenue (latest FY)
1634ARLP ALLIANCE RESOURCE PARTNERS LPOKOct 26, 2026$2.2BFY2025
1766BTU PEABODY ENERGY CORPMOOct 16, 2026$3.9BFY2025
1961AMR Alpha Metallurgical Resources, Inc.TNOct 23, 2026$2.1BFY2025

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 1221
FiledCompanyFormWhat it isOriginal
Oct 26, 2026ARLP ALLIANCE RESOURCE PARTNERS LP8-KResults of operations· period Oct 26, 2026Document · Index
Oct 23, 2026AMR Alpha Metallurgical Resources, Inc.8-KResults of operations· period Oct 23, 2026Document · Index
Oct 16, 2026BTU PEABODY ENERGY CORP8-KMine safety· period Jul 9, 2026Document · Index
Sep 9, 2026BTU PEABODY ENERGY CORP8-KRegulation FD disclosure· period Sep 9, 2026Document · Index
Aug 28, 2026BTU PEABODY ENERGY CORP8-KDirector or officer change· period Aug 27, 2026Document · Index
Aug 11, 2026BTU PEABODY ENERGY CORP8-KRegulation FD disclosure· period Aug 11, 2026Document · Index
Aug 7, 2026AMR Alpha Metallurgical Resources, Inc.8-KRegulation FD disclosure· period Aug 7, 2026Document · Index
Aug 7, 2026AMR Alpha Metallurgical Resources, Inc.10-QQuarterly report· period Jun 30, 2026Document · Index
Aug 7, 2026AMR Alpha Metallurgical Resources, Inc.8-KResults of operations· period Aug 7, 2026Document · Index
Aug 6, 2026ARLP ALLIANCE RESOURCE PARTNERS LP10-QQuarterly report· period Jun 30, 2026Document · Index
Aug 6, 2026BTU PEABODY ENERGY CORP10-QQuarterly report· period Jun 30, 2026Document · Index
Jul 29, 2026BTU PEABODY ENERGY CORP8-KResults of operations; Other events· period Jul 29, 2026Document · Index
Jul 27, 2026AMR Alpha Metallurgical Resources, Inc.8-KResults of operations· period Jul 27, 2026Document · Index
Jul 27, 2026ARLP ALLIANCE RESOURCE PARTNERS LP8-KResults of operations· period Jul 27, 2026Document · Index
Jul 8, 2026ARLP ALLIANCE RESOURCE PARTNERS LP8-KMaterial agreement· period Jul 1, 2026Document · Index
Jul 2, 2026ARLP ALLIANCE RESOURCE PARTNERS LP8-KMaterial agreement; New financial obligation; Regulation FD disclosure· period Jul 1, 2026Document · Index
Jul 1, 2026BTU PEABODY ENERGY CORP8-KMaterial agreement· period Jun 30, 2026Document · Index
Jun 18, 2026AMR Alpha Metallurgical Resources, Inc.8-KRegulation FD disclosure· period Jun 18, 2026Document · Index
Jun 15, 2026BTU PEABODY ENERGY CORP8-KMaterial agreement; Agreement terminated; Regulation FD disclosure· period Jun 9, 2026Document · Index
Jun 8, 2026ARLP ALLIANCE RESOURCE PARTNERS LP8-KMaterial agreement; Regulation FD disclosure· period Jun 5, 2026Document · Index
May 15, 2026AMR Alpha Metallurgical Resources, Inc.8-KMine safety· period May 14, 2026Document · Index
May 8, 2026AMR Alpha Metallurgical Resources, Inc.8-KRegulation FD disclosure· period May 8, 2026Document · Index
May 8, 2026AMR Alpha Metallurgical Resources, Inc.10-QQuarterly report· period Mar 31, 2026Document · Index
May 8, 2026AMR Alpha Metallurgical Resources, Inc.8-KResults of operations; Shareholder vote results· period May 6, 2026Document · Index
May 8, 2026ARLP ALLIANCE RESOURCE PARTNERS LP10-QQuarterly report· period Mar 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.