SIC 4941 · Transportation, Communications and Utilities

Water Supply

OpenFilings tracks 9 companies that the SEC classifies under Standard Industrial Classification code 4941; the most recent filing among them is dated Oct 27, 2026. 9 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

Water Supply companies (SIC 4941)
#CompanyStateLatest filingRevenue (latest FY)
479AWK American Water Works Company, Inc.NJOct 27, 2026$5.1BFY2025
565SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP—Oct 21, 2026BRL 36.1BFY2024
800WTRG Essential Utilities, Inc.PAOct 27, 2026$2.5BFY2025
1631AWR AMERICAN STATES WATER COCAOct 6, 2026$658.1MFY2025
1714CWT CALIFORNIA WATER SERVICE GROUPCAOct 26, 2026$963.7MFY2025
1835HTO H2O AMERICACAOct 27, 2026$800.6MFY2025
2406MSEX MIDDLESEX WATER CONJAug 12, 2026$194.7MFY2025
2897YORW YORK WATER COPAOct 21, 2026$77.5MFY2025
2987CWCO Consolidated Water Co. Ltd.—Oct 21, 2026$132.1MFY2025

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 4941
FiledCompanyFormWhat it isOriginal
Oct 26, 2026HTO H2O AMERICA10-QQuarterly report· period Sep 30, 2026Document · Index
Oct 26, 2026HTO H2O AMERICA8-KResults of operations· period Oct 23, 2026Document · Index
Oct 21, 2026CWCO Consolidated Water Co. Ltd.8-KRegulation FD disclosure· period Oct 21, 2026Document · Index
Oct 21, 2026SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP6-KReport of a foreign private issuer· period Dec 31, 2026Document · Index
Oct 15, 2026CWCO Consolidated Water Co. Ltd.8-KMaterial agreement; Regulation FD disclosure· period Oct 8, 2026Document · Index
Oct 15, 2026CWT CALIFORNIA WATER SERVICE GROUP8-KOther events· period Oct 14, 2026Document · Index
Oct 15, 2026YORW YORK WATER CO8-KDirector or officer change· period Oct 9, 2026Document · Index
Oct 9, 2026SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP6-KReport of a foreign private issuer· period Dec 31, 2026Document · Index
Oct 2, 2026SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP6-KReport of a foreign private issuer· period Dec 31, 2026Document · Index
Oct 1, 2026HTO H2O AMERICA8-KAcquisition or disposition completed; Regulation FD disclosure· period Oct 1, 2026Document · Index
Sep 23, 2026SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP6-KReport of a foreign private issuer· period Sep 30, 2026Document · Index
Sep 18, 2026SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP6-KReport of a foreign private issuer· period Sep 30, 2026Document · Index
Sep 17, 2026AWK American Water Works Company, Inc.8-KOther events· period Sep 15, 2026Document · Index
Sep 17, 2026WTRG Essential Utilities, Inc.8-KOther events· period Sep 15, 2026Document · Index
Sep 16, 2026AWK American Water Works Company, Inc.8-KOther events· period Sep 14, 2026Document · Index
Sep 9, 2026AWK American Water Works Company, Inc.8-KOther events· period Sep 9, 2026Document · Index
Aug 31, 2026AWK American Water Works Company, Inc.8-KRegulation FD disclosure· period Aug 28, 2026Document · Index
Aug 31, 2026WTRG Essential Utilities, Inc.8-KRegulation FD disclosure· period Aug 28, 2026Document · Index
Aug 18, 2026YORW YORK WATER CO8-KDirector or officer change· period Aug 17, 2026Document · Index
Aug 17, 2026WTRG Essential Utilities, Inc.8-KRegulation FD disclosure· period Aug 17, 2026Document · Index
Aug 14, 2026SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP6-KReport of a foreign private issuer· period Jun 30, 2026Document · Index
Aug 13, 2026SBS COMPANHIA DE SANEAMENTO BASICO DO ESTADO DE SAO PAULO-SABESP6-KReport of a foreign private issuer· period Jun 30, 2026Document · Index
Aug 10, 2026CWCO Consolidated Water Co. Ltd.8-KResults of operations· period Aug 10, 2026Document · Index
Aug 10, 2026CWCO Consolidated Water Co. Ltd.10-QQuarterly report· period Jun 30, 2026Document · Index
Aug 6, 2026YORW YORK WATER CO10-QTHE YORK WATER COMPANY 10-Q 06-30-26· period Jun 30, 2026Document · Index

Related industries in Transportation, Communications and Utilities

All industries · All companies

Source

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