Headquarters state · SD

Public companies headquartered in South Dakota

6 of the companies OpenFilings tracks list a business address in South Dakota. The most common cities are Sioux Falls (3), Rapid City (1), Brookings (1), Lead (1).

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

Companies based in South Dakota

Public companies headquartered in South Dakota
#CompanyIndustry (SIC)Latest filingRevenue (latest FY)
1185BKH BLACK HILLS CORP /SD/Electric ServicesOct 23, 2026$2.3BFY2025
1370NWE NorthWestern Energy Group, Inc.Electric & Other Services CombinedOct 5, 2026$1.6BFY2025
2136CASH PATHWARD FINANCIAL, INC.National Commercial BanksOct 26, 2026$839.9MFY2025
2470DAKT DAKTRONICS INC /SD/Miscellaneous Manufacturing IndustriesOct 27, 2026$838.7MFY2026
2658DC Dakota Gold Corp.Metal MiningSep 11, 2026—FY2025
2699BTGO BITGO HOLDINGS, INC.Finance ServicesOct 13, 2026—

Ranked by position in the SEC company ticker list (roughly by market value). The headquarters state comes from the business address in EDGAR and can differ from the state of incorporation.

Largest industries in South Dakota

Latest reports from South Dakota companies

Recent filings by companies headquartered in South Dakota
FiledCompanyFormWhat it isOriginal
Oct 23, 2026BKH BLACK HILLS CORP /SD/8-KRegulation FD disclosure· period Oct 22, 2026Document · Index
Oct 21, 2026CASH PATHWARD FINANCIAL, INC.8-KResults of operations; Regulation FD disclosure· period Oct 21, 2026Document · Index
Oct 14, 2026DAKT DAKTRONICS INC /SD/8-KExit or disposal costs; Material impairment; Other events· period Oct 12, 2026Document · Index
Oct 6, 2026BKH BLACK HILLS CORP /SD/8-KRegulation FD disclosure· period Oct 6, 2026Document · Index
Sep 25, 2026BTGO BITGO HOLDINGS, INC.8-KDirector or officer change· period Sep 21, 2026Document · Index
Sep 18, 2026DAKT DAKTRONICS INC /SD/8-KDirector or officer change; Shareholder vote results· period Sep 16, 2026Document · Index
Sep 17, 2026CASH PATHWARD FINANCIAL, INC.8-KDirector or officer change· period Sep 14, 2026Document · Index
Sep 11, 2026DAKT DAKTRONICS INC /SD/8-KDirector or officer change· period Sep 5, 2026Document · Index
Sep 9, 2026NWE NorthWestern Energy Group, Inc.8-KRegulation FD disclosure· period Sep 9, 2026Document · Index
Sep 2, 2026DAKT DAKTRONICS INC /SD/10-QQuarterly report· period Aug 1, 2026Document · Index
Sep 2, 2026DAKT DAKTRONICS INC /SD/8-KMaterial agreement; Results of operations; Director or officer change; Regulation FD disclosure; Other events· period Sep 1, 2026Document · Index
Aug 28, 2026BTGO BITGO HOLDINGS, INC.8-KMaterial agreement; Regulation FD disclosure· period Aug 27, 2026Document · Index
Aug 20, 2026CASH PATHWARD FINANCIAL, INC.8-KOther events· period Aug 20, 2026Document · Index
Aug 17, 2026BKH BLACK HILLS CORP /SD/8-KOther events· period Aug 17, 2026Document · Index
Aug 12, 2026BTGO BITGO HOLDINGS, INC.10-QQuarterly report· period Jun 30, 2026Document · Index
Aug 12, 2026BTGO BITGO HOLDINGS, INC.8-KResults of operations; Director or officer change· period Aug 10, 2026Document · Index
Aug 12, 2026DC Dakota Gold Corp.10-QQuarterly report· period Jun 30, 2026Document · Index
Aug 6, 2026BKH BLACK HILLS CORP /SD/10-QQuarterly report· period Jun 30, 2026Document · Index
Aug 6, 2026CASH PATHWARD FINANCIAL, INC.10-QQuarterly report· period Jun 30, 2026Document · Index
Aug 5, 2026BKH BLACK HILLS CORP /SD/8-KResults of operations· period Aug 5, 2026Document · Index
Jul 30, 2026NWE NorthWestern Energy Group, Inc.8-KResults of operations; Regulation FD disclosure· period Jul 29, 2026Document · Index
Jul 30, 2026NWE NorthWestern Energy Group, Inc.10-QQuarterly report· period Jun 30, 2026Document · Index
Jul 29, 2026DC Dakota Gold Corp.8-KDirector or officer change; Regulation FD disclosure· period Jul 24, 2026Document · Index
Jul 28, 2026DAKT DAKTRONICS INC /SD/DEF 14ADefinitive proxy statement· period May 2, 2026Document · Index
Jul 22, 2026CASH PATHWARD FINANCIAL, INC.8-KResults of operations; Regulation FD disclosure· period Jul 22, 2026Document · Index

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Source

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