| WESTERN DAKOTA RANCH VACATIONS, INC. | — | DB010072 | 1970-04-10 | Inactive | — |
| Western Dakota Real Estate LLC | — | DL031969 | 2013-04-08 | Active | RAPID CITY |
| WESTERN DAKOTA REGIONAL WATER SYSTEM, INC. | — | NS211006 | 2021-09-24 | Active | RAPID CITY |
| Western Dakota Spraying LLC | — | DL318654 | 2026-01-21 | Active | Box Elder |
| WESTERN DAKOTA STRIKE TEAMS, INC. | — | DB030025 | 1990-12-04 | Dissolved | — |
| Western Dakota Tech Foundation, Inc | — | NS006145 | 1976-12-28 | Active | RAPID CITY |
| Western Dakota Urological Consulting, P.C. | — | DB159844 | 2019-02-01 | Dissolved | Rapid City |
| Western Dakota Vault and Precast, LLC | — | DL274751 | 2024-05-10 | Dissolved | Lemmon |
| WESTERN DAKOTA WASTE SOLUTIONS, LLC | — | DL044729 | 2015-08-14 | Dissolved | BELLE FOURCHE |
| WESTERN DAKOTA WELDING & FABRICATION LLC | — | DL030308 | 2012-12-07 | Inactive | CUSTER |
| WESTERN DENTAL CENTER - JOHN R. WIGHTMAN D.D.S., PROF.L.L.C. | — | DL021417 | 2010-05-05 | Inactive | SIOUX FALLS |
| WESTERN DENTAL SUPPORT GROUP, INC. | — | DB055300 | 2010-04-26 | Dissolved | SIOUX FALLS |
| WESTERN DERRICK & DIESEL, INC. | — | FB008870 | 1983-04-04 | Revoked | PARKSTON |
| WESTERN DEVELOPMENT CORPORATION | — | DB014027 | 1976-12-28 | Dissolved | CUSTER |
| Western Diesel & Machine, LLC | — | DL197548 | 2021-02-27 | Dissolved | Newell |
| WESTERN DIGITAL TECHNOLOGIES, INC. | — | FB022895 | 1999-08-26 | Active | San Jose |
| WESTERN DIRT DEVILS | — | NS012802 | 2005-03-30 | Suspended | BELLE FOURCHE |
| Western Distributing Company | — | FB334497 | 2026-07-23 | Active | Bismarck |
| WESTERN DISTRIBUTION SERVICE, INC. | — | FB010024 | 1985-01-22 | Inactive | PORTLAND |
| WESTERN DIVERSIFIED SERVICES, INC. | — | FB012289 | 1988-08-29 | Active | Chesterfield |
| WESTERN DIVISION, INC. | — | DB021496 | 1982-05-06 | Inactive | — |
| WESTERN DOOR COMPANY, INC. | — | DB048327 | 2004-05-25 | Dissolved | STURGIS |
| Western Drone Services LLC | — | DL328451 | 2026-05-11 | Active | Watertown |
| Western EcoSystems Technology, Inc. | — | FB153971 | 2018-09-17 | Active | Cheyenne |
| Western Edge Logistics LLC | — | DL248304 | 2023-04-07 | Dissolved | New Underwood |
| WESTERN EDGE QUARTER HORSES, INC. | — | DB039477 | 1998-01-02 | Dissolved | BROOKINGS |
| WESTERN EDGE REALTY, INC. | — | FB164310 | 2019-05-08 | Active | HETTINGER |
| Western Edge Services & Trades LLC | — | DL221060 | 2022-02-18 | Dissolved | Rapid City |
| Western Edge Surveying, LLC | — | FL315202 | 2025-12-07 | Active | Dickinson |
| Western Edge, LLC | — | DL302124 | 2025-06-15 | Active | Spearfish |
| WESTERN EDGE, LLC | — | DL023241 | 2010-12-20 | Inactive | RAPID CITY |
| WESTERN ELECTRIC COMPANY, INCORPORATED | — | FB012914 | 1989-08-18 | Active | MURRAY HILL |
| WESTERN ELECTRICAL SERVICES LLC | — | FL044028 | 2016-01-07 | Inactive | EMPORIA |
| Western Elegance Wedding Planner & Coordinator LLC | — | DL309611 | 2025-09-18 | Active | Belle Fourche |
| WESTERN ENERGY, INC. | — | DB020604 | 1981-04-28 | Inactive | — |
| WESTERN ENGINEERING COMPANY, INC. | — | FB003748 | 1971-03-08 | Inactive | HARLAN |
| WESTERN ENGINEERING, INC. | — | FB017860 | 1995-05-08 | Revoked | POWELL |
| WESTERN ENTERPRISES, INC. | — | DB049108 | 2005-01-03 | Dissolved | Hartford |
| WESTERN ENTERPRISES, LTD. | — | DB011045 | 1972-04-07 | Dissolved | — |
| WESTERN ENTERTAINMENT, INC. | — | DB029453 | 1990-05-02 | Dissolved | — |
| WESTERN EQUATORIA COMMUNITY ASSOCIATION | — | NS014868 | 2012-06-19 | Dissolved | — |
| WESTERN EQUIPMENT FINANCE, INC. | — | FB035962 | 2012-05-09 | Inactive | DEVILS LAKE |
| WESTERN EQUIPMENT SALES, LLC | — | DL005455 | 2003-01-16 | Dissolved | SIOUX FALLS |
| WESTERN EQUITIES, L.L.C. | — | DL006694 | 2003-12-22 | Dissolved | Gering |
| WESTERN EQUITY GROUP, INC. | — | FB031619 | 2007-05-03 | Revoked | PLEASANT VIEW |
| Western Estates MHP LLC | — | FL147104 | 2018-04-19 | Inactive | — |
| WESTERN ESTATES SD LLC | — | FL314827 | 2025-12-02 | Active | GREAT NECK |
| WESTERN ESTATES, INC. | — | DB021225 | 1981-12-31 | Dissolved | TALBOTT |
| Western Estates, LLC | — | DL047617 | 2016-03-18 | Dissolved | TREYNOR |
| WESTERN EXCAVATING, LLC | — | DL011193 | 2006-04-24 | Inactive | — |
| Western expansion Inc | — | DB296780 | 2025-03-31 | Dissolved | Watertown |
| Western Express Systems, LLC | — | DL035794 | 2013-11-12 | Dissolved | HARROLD |
| WESTERN EXPRESS, INC. | — | FB033822 | 2009-09-24 | Revoked | NASHVILLE |
| Western Family and Consumer Sciences Show | — | NS004207 | 1969-01-30 | Active | RAPID CITY |
| WESTERN FARM SALES, INC. | — | FB006060 | 1977-09-30 | Revoked | OAKES |
| WESTERN FEED COMPANY, INC. | — | DB039424 | 1997-12-24 | Inactive | — |
| WESTERN FEED, INC. | — | DB041960 | 1999-10-22 | Inactive | SAINT ONGE |
| WESTERN FEED, LLC, DBA WF LLC | — | FL004249 | 2008-09-23 | Revoked | INVER GROVE HEIGHTS |
| WESTERN FIDELITY MARKETING, INC. | — | FB013195 | 1989-11-20 | Inactive | FT WORTH |
| Western Finance LLC | — | DL185270 | 2020-07-29 | Active | Sioux Falls |
| WESTERN FINANCE, INC. | — | FB022717 | 1999-07-08 | Revoked | LITTLETON |
| WESTERN FINANCIAL SERVICES, INC. | — | DB022933 | 1983-12-08 | Inactive | — |
| WESTERN FIRE & SAFETY, INC. | — | FB020821 | 1997-12-18 | Revoked | DICKINSON |
| Western Frontier Development Managers, Inc. | — | DB181617 | 2020-05-15 | Active | Farmers Branch |
| Western Frontier Development Partners, L.P. | — | DP182546 | 2020-06-04 | Active | WATERTOWN |
| Western Frontier Holdings LLC | — | DL211294 | 2021-09-30 | Active | Rapid City |
| WESTERN FRONTIER INSURANCE AGENCY INC. | — | FB031778 | 2007-06-25 | Active | BOWMAN |
| WESTERN FUELS ASSOCIATION, INC. | — | FN006017 | 1977-08-31 | Revoked | WHEATLAND |
| WESTERN FUNDING INCORPORATED | — | FB038260 | 2014-12-03 | Active | LAS VEGAS |
| WESTERN GAMES, INC. | — | DB032463 | 1992-12-28 | Inactive | — |
| WESTERN GAMING, INC. | — | DB177513 | 2020-02-18 | Dissolved | DEADWOOD |
| WESTERN GENERAL AGENCY INC. D/B/A WESTERN GAMING INSURANCE AGENCY | — | FB018337 | 1995-10-16 | Revoked | SALT LAKE CITY |
| WESTERN GENERAL CORPORATION | — | DB021949 | 1982-11-29 | Active | HALF MOON BAY |
| WESTERN GENERAL DEALER SERVICES, INC. | — | FB030531 | 2006-04-07 | Active | CHESTERFIELD |
| WESTERN GEOPHYSICAL COMPANY OF AMERICA | — | FB001124 | 1952-01-22 | Inactive | HOUSTON |
| WESTERN GIFTS CORP. | — | DB032715 | 1993-02-23 | Inactive | — |
| WESTERN GOLD EXPLORATION AND MINING, LIMITED PARTNERSHIP | — | FP000039 | 1988-12-21 | Inactive | GOLDEN |
| WESTERN GOLD PARTNERS, LLC | — | DL003050 | 2000-06-14 | Inactive | — |
| Western Governors University | — | FN260584 | 2023-10-12 | Revoked | Salt Lake City |
| WESTERN GRAIN, INCORPORATED | — | DB012426 | 1974-07-25 | Inactive | — |
| WESTERN GROCERS INC. | — | FB008499 | 1982-07-29 | Inactive | MINNEAPOLIS |
| WESTERN GROWTH, INC. | — | DB028900 | 1989-11-21 | Inactive | — |
| Western Gulf Basin LLC | — | DL313416 | 2025-11-12 | Active | Rapid City |
| Western Handyman LLC | — | DL246319 | 2023-03-13 | Dissolved | Owanka |
| WESTERN HARDWOOD FLOORS, INC. | — | DB036780 | 1996-01-29 | Inactive | — |
| WESTERN HEALTH NETWORK, INC. | — | FN010248 | 1988-10-28 | Inactive | FARGO |
| WESTERN HEALTH SYSTEMS, INC. | — | NS005259 | 1973-03-05 | Inactive | — |
| WESTERN HEALTH, INC. | — | DB022418 | 1983-05-20 | Dissolved | RAPID CITY |
| Western Heights Apartments 24 LLC | — | FL259814 | 2023-09-29 | Active | Denver |
| Western Heights Apartments SD LLC | — | FL312500 | 2025-10-29 | Inactive | Atlanta |
| WESTERN HEIGHTS DEVELOPMENT, INC. | — | DB009609 | 1969-04-27 | Inactive | — |
| WESTERN HEIGHTS JUNIOR CHAMBER OF COMMERCE D/B/A WESTERN HEIGHTS JAYCEES | — | NS006527 | 1978-06-20 | Inactive | — |
| Western Heights Limited Partnership | — | DP002687 | 2014-02-11 | Active | SIOUX FALLS |
| WESTERN HEIGHTS WOMEN OF TODAY | — | NS013401 | 1988-06-22 | Inactive | — |
| WESTERN HEIGHTS WOMEN OF TODAY | — | NS013786 | 2008-07-24 | Dissolved | SIOUX FALLS |
| WESTERN HEMISPHERE HOLDING CO. | — | DB025062 | 1986-01-22 | Dissolved | — |
| WESTERN HERITAGE INSURANCE MARKETING GROUP, INC. | — | FB036856 | 2013-07-01 | Active | GREAT FALLS |
| WESTERN HERITAGE INSURANCE MARKETING GROUP, INC. | — | FB027393 | 2003-06-12 | Revoked | GREAT FALLS |
| WESTERN HERITAGE, INCORPORATED | — | DB020307 | 1981-01-05 | Inactive | — |
| WESTERN HILLS ENTERPRISES, INC. | — | DB022570 | 1983-07-08 | Inactive | — |
| WESTERN HILLS EQUIPMENT, INC. | — | DB037581 | 1996-08-23 | Dissolved | BUFFALO GAP |
| WESTERN HILLS HEALTH CARE OF ABERDEEN, INC. | — | DB030619 | 1991-05-02 | Dissolved | ABERDEEN |
| WESTERN HILLS HEALTH CARE, INC. | — | DB030875 | 1991-08-12 | Inactive | — |
| WESTERN HILLS HEALTH CARE, INC. | — | DB050754 | 2006-02-24 | Dissolved | RAPID CITY |
| Western Hills Holdings LLC | — | DL332217 | 2026-06-27 | Active | Rapid City |
| WESTERN HILLS HUMANE SOCIETY | — | NS007880 | 1984-06-15 | Active | SPEARFISH |
| WESTERN HILLS LIFE SERVICES, INC. | — | DB032216 | 1992-10-09 | Inactive | — |
| WESTERN HILLS PAINTING, LLC | — | DL032945 | 2013-06-25 | Active | Rapid City |
| WESTERN HILLS TECHNOLOGY, LLC | — | DL027678 | 2012-03-27 | Dissolved | RAPID CITY |
| WESTERN HILLS, LLC | — | DL029015 | 2012-08-03 | Active | SIOUX FALLS |
| WESTERN HOLDINGS, LLC | — | DL012517 | 2006-11-16 | Active | SIOUX FALLS |
| WESTERN HOME MORTGAGE CORPORATION | — | FB023217 | 1999-11-18 | Revoked | IRVINE |
| WESTERN HORIZON ENTERPRISES, LLC | — | DL019776 | 2009-09-18 | Dissolved | CHAMBERLAIN |
| Western Horizons, LLC | — | DL139682 | 2017-11-10 | Active | Hot Springs |
| WESTERN HOSPITAL CORPORATION OF SOUTH DAKOTA | — | NS005869 | 1975-09-26 | Inactive | — |
| WESTERN HOSPITALITY GROUP, LLC | — | DL010011 | 2005-10-17 | Dissolved | RAPID CITY |
| WESTERN HOSPITALITY, INC. | — | DB177515 | 2020-02-18 | Dissolved | DEADWOOD |
| Western Housing Enterprises, LLC | — | DL162282 | 2019-03-26 | Inactive | Rapid City |
| WESTERN HOUSING, INC. | — | DB012211 | 1974-03-21 | Inactive | — |
| Western Icon Angus LLC | — | DL143959 | 2018-02-13 | Dissolved | Cavour |
| WESTERN ICON LAND DEVELOPMENT COMPANY, INC. | — | DB056938 | 2012-06-06 | Active | Cavour |
| WESTERN INDUSTRIAL CONTRACTORS, INC. | — | FB017183 | 1994-08-15 | Active | Aurora |
| WESTERN INDUSTRIES, INC. | — | FB012075 | 1988-05-02 | Inactive | MILES CITY |
| WESTERN INFORMATION SYSTEMS, INC. | — | FB013052 | 1989-09-27 | Revoked | DENVER |
| WESTERN INN, INC. | — | DB028218 | 1989-03-16 | Dissolved | — |
| Western Installation and Logistics, Inc. | — | FB177033 | 2020-02-07 | Active | WatertownArvada |
| WESTERN INSTITUTE OF SAFETY AND HEALTH, WISH | — | NS009045 | 1989-10-18 | Inactive | — |
| WESTERN INSURANCE AGENCY, INC. | — | FB015350 | 1992-07-01 | Revoked | GOODLAND |
| WESTERN INSURANCE AGENCY, INC. | — | FB012618 | 1989-03-06 | Inactive | PHOENIX |
| WESTERN INTERNATIONAL SECURITIES, INC. | — | FB031362 | 2007-02-01 | Inactive | San Diego |
| WESTERN INTERSTATE BANCORP, INC. | — | FB022554 | 1999-05-19 | Revoked | TUSTIN |
| WESTERN INVESTIGATIVE SERVICES, INC. | — | DB036058 | 1995-07-21 | Inactive | — |
| Western Investment Company | — | DB058091 | 2013-09-26 | Active | SIOUX FALLS |
| WESTERN INVESTMENTS (BUSINESS TRUST) | — | DT035023 | 1994-11-23 | Inactive | — |
| WESTERN INVESTMENTS, INC. | — | DB025548 | 1986-07-03 | Inactive | — |
| WESTERN INVESTORS, LLC | — | DL025281 | 2011-07-25 | Dissolved | ABERDEEN |
| WESTERN INVESTORS, LLC | — | DL016010 | 2008-03-18 | Inactive | — |
| WESTERN IOWA CELLULAR, INC. | — | FB011800 | 1987-11-30 | Active | Alpharetta |
| Western Iowa Non-Wing Sprint Cars, LLC | — | DL226996 | 2022-05-13 | Active | Harrisburg |
| WESTERN JUNIOR LIVESTOCK SHOW ASSOCIATION | — | NS000805 | 1965-04-13 | Active | Hermosa |
| WESTERN LAND AND CATTLE CO. INC. | — | DB026594 | 1987-07-31 | Inactive | — |
| WESTERN LAND AND CATTLE CO., INC. | — | DB034487 | 1994-06-13 | Inactive | — |
| WESTERN LAND AND LIVESTOCK, LLC | — | DL018666 | 2009-04-09 | Dissolved | PIEDMONT |
| Western Land and Metals, LLC | — | DL008034 | 2004-10-14 | Active | Gravette |
| Western Land Brokers, LLC | — | DL040919 | 2014-10-31 | Dissolved | New Underwood |
| Western Land Management, LLC | — | DL280719 | 2024-08-09 | Active | Aberdeen |
| WESTERN LAND SERVICES INC | — | FB029860 | 2005-08-10 | Active | LUDINGTON |
| WESTERN LAND SERVICES INC. | — | FB006668 | 1979-06-14 | Revoked | CALGARY |
| WESTERN LAND, LLC | — | DL008164 | 2004-11-08 | Inactive | — |
| WESTERN LEASING, LLC | — | DL018576 | 2009-03-26 | Active | Rapid City |
| Western Legacy Development Corporation INC | — | DB254752 | 2023-07-17 | Active | Rapid City |
| Western Legacy, LLC | — | DL228109 | 2022-06-01 | Dissolved | RAPID CITY |
| WESTERN LIVESTOCK SERVICE, INC. | — | DB033301 | 1993-08-03 | Inactive | — |
| WESTERN LIVESTOCK, INC. | — | DB049808 | 2005-06-03 | Dissolved | — |
| Western Low Voltage Incorporated | — | FB322811 | 2026-03-09 | Active | Lebanon |
| Western Machine Control LLC | — | FL228741 | 2022-06-11 | Active | Buffalo |
| WESTERN MACHINE, INCORPORATED | — | DB016404 | 1979-02-05 | Active | SIOUX FALLS |
| WESTERN MACK SALES, INC. | — | DB021190 | 1981-12-24 | Dissolved | — |
| WESTERN MAILERS, INC. | — | DB031962 | 1992-07-21 | Dissolved | — |
| WESTERN MAINE ASSOCIATES | — | 19250015D | 1925-01-01 | Suspended | — |
| WESTERN MAINE INSTITUTE FOR PSYCOTHERAPY AND EDUCATION, INC. | — | 19680052ND | 1968-07-10 | Suspended | — |
| WESTERN MAINE SUPPLY COMPANY | — | 19640215D | 1964-05-18 | Active | — |
| WESTERN MALL BARBERS, INC. | — | DB021600 | 1982-06-22 | Dissolved | SIOUX FALLS |
| WESTERN MALL MERCHANTS ASSOCIATION | — | NS004216 | 1969-02-06 | Inactive | — |
| WESTERN MALL SOUTH DAKOTA LLC | — | FL044443 | 2016-07-08 | Inactive | SIOUX FALLS |
| WESTERN MALL SUPER WASH, INC. | — | DB035257 | 1995-01-09 | Inactive | — |
| WESTERN MALL, INC. | — | DB050798 | 2006-03-06 | Active | Sioux Falls |
| WESTERN MALL, L.L.C. | — | DL000687 | 1996-01-09 | Dissolved | — |
| Western Management Corp. | — | DB294941 | 2025-03-07 | Active | New York |
| WESTERN MANAGEMENT, INC. | — | DB050292 | 2005-11-07 | Dissolved | PIERRE |
| WESTERN MAPPING, INC. | — | DB028382 | 1989-05-12 | Inactive | — |
| WESTERN MARINE INSURANCE SERVICES CORPORATION | — | FB025068 | 2001-04-25 | Revoked | STOCKTON |
| WESTERN MARKETING ASSOCIATES CORPORATION | — | FB012234 | 1988-08-03 | Inactive | MISSOURI VALLEY |
| WESTERN MARKETING ASSOCIATES CORPORATION | — | FB012514 | 1988-12-27 | Inactive | MO. VALLEY |
| WESTERN MARKETING ASSOCIATES, LLC | — | FL232801 | 2022-08-17 | Active | Missouri Valley |
| Western Marketing LLC | — | DL218179 | 2022-01-10 | Dissolved | Watertown |
| WESTERN MASONS MUTUAL LIFE ASSOCIATION | — | IN000090 | 1886-03-11 | Active | — |
| WESTERN MATERIALS, INC. | — | FB004002 | 1972-03-21 | Revoked | HARLAN |
| WESTERN MEADOWS, LLC | — | DL020446 | 2009-12-22 | Active | SIOUX FALLS |
| WESTERN MEAT AND LOCKER, INC. | — | DB046967 | 2003-06-09 | Dissolved | SIOUX FALLS |
| WESTERN MEATS, INC. | — | DB019211 | 1979-11-09 | Inactive | — |
| WESTERN MECHANICAL SERVICE, INC. | — | DB014176 | 1977-02-28 | Dissolved | RAPID CITY |
| WESTERN MEDIA, INC. | — | DB025856 | 1986-11-19 | Inactive | — |
| WESTERN MEDICAL CONSULTANTS, INC. | — | FB027306 | 2003-05-12 | Inactive | PORTLAND |
| WESTERN MEDICAL SERVICES, INC. D/B/A WESTERN MEDICAL (HOME CARE AND STAFFING) SERVICES, INC. | — | FB020439 | 1997-08-25 | Inactive | WALNUT CREEK |
| WESTERN METALS, INC. | — | DB022207 | 1983-03-10 | Inactive | — |
| WESTERN MICRO SYSTEMS, INC. | — | DB028425 | 1989-05-25 | Inactive | — |
| WESTERN MICROELECTRONICS, INC. | — | DB028691 | 1989-09-08 | Inactive | — |
| WESTERN MICROSCOPE, LLC | — | DL029551 | 2012-09-27 | Inactive | BELLE FOURCHE |
| WESTERN MINE SERVICE, INC. | — | FB024129 | 2000-07-25 | Inactive | GILLETTE |
| WESTERN MINE SERVICE, INC. | — | FB030815 | 2006-07-24 | Inactive | HERMOSA |
| WESTERN MINESEARCH COMPANY, INCORPORATED | — | DB022840 | 1983-10-28 | Inactive | — |
| WESTERN MINING CORPORATION (USA) | — | FB014955 | 1991-12-02 | Inactive | DENVER |
| WESTERN MONEY SYSTEMS, INC. | — | FB035215 | 2011-06-13 | Inactive | LAS VEGAS |
| WESTERN MORTGAGE & INVESTMENTS, INC. | — | FB027454 | 2003-06-30 | Revoked | THAYNE |
| WESTERN MORTGAGE & REALTY COMPANY | — | FB017207 | 1994-08-24 | Inactive | PASCO |
| WESTERN MOTEL REALTY, INC. | — | DB010404 | 1971-01-05 | Inactive | — |
| WESTERN MOTOR COMPANY | — | DB003050 | 1963-01-08 | Dissolved | — |
| WESTERN MOUNTAIN INVESTMENT AND HOLDING COMPANY, INC. | — | DB027895 | 1988-12-05 | Inactive | — |
| WESTERN MUNICIPAL CONSTRUCTION, INC. | — | FB021107 | 1998-03-17 | Active | BILLINGS |