| OWE AKU INTERNATIONAL JUSTICE PROJECT, INC. | FN133949 | 2017-06-05 | Revoked | MANDERSON |
| OWEN & SEE, LLP | DR000573 | 2001-08-24 | Inactive | — |
| OWEN & SON, INC. | DB012977 | 1975-07-09 | Inactive | — |
| OWEN COMPANIES, INC. | DB032117 | 1992-09-09 | Active | WATERTOWN |
| OWEN FARMS, INC. | DB029005 | 1989-12-27 | Inactive | — |
| Owen Farms, LLC | DL323148 | 2026-03-12 | Active | Henry |
| OWEN GARNOS FAMILY LIMITED PARTNERSHIP | DP001230 | 2000-12-15 | Inactive | — |
| OWEN HEALTH CARE INC | DB312437 | 2025-10-29 | Active | Belle Fourche |
| OWEN JOHNSON'S INSURANCE AGENCY, INC. | DB029657 | 1990-07-09 | Dissolved | — |
| Owen Joseph LLC | DL048198 | 2016-04-27 | Dissolved | RAPID CITY |
| OWEN KUNZE POST 116, AMERICAN LEGION, OF ALPENA, S.D. | NS001522 | 1948-04-07 | Dissolved | ALPENA |
| OWEN KUNZE UNIT 116 AMERICAN LEGION AUXILIARY | NS011467 | 2000-04-05 | Dissolved | ALPENA |
| OWEN LIVESTOCK COMPANY | DB010779 | 1971-10-20 | Dissolved | — |
| Owen Matthew Productions LLC | DL201098 | 2021-04-16 | Dissolved | spearfish |
| Owen Shield Supply Tactical LLC | DL298293 | 2025-04-18 | Suspended | Sturgis |
| Owen Stavick Trucking, LLC | DL272912 | 2024-04-16 | Dissolved | Veblen |
| OWENS & MINOR DISTRIBUTION, INC. | FB025522 | 2001-09-26 | Active | Glen Allen |
| Owens Apartments Investment LLC | DL135068 | 2017-07-16 | Active | Rapid City |
| OWENS AVIATION, INC. | DB048909 | 2004-11-16 | Inactive | — |
| OWENS CONSTRUCTION INC. | FB037094 | 2013-10-15 | Active | EL DORADO |
| Owens Corning Roofing and Asphalt, LLC | FL216418 | 2021-12-14 | Active | Toledo |
| OWENS CORNING SALES, INC. | FB001959 | 1962-10-29 | Inactive | TOLEDO |
| OWENS CORNING SALES, LLC | FL003126 | 2006-09-28 | Active | Toledo |
| OWENS ENTERPRISES, INC. | DB049070 | 2004-12-27 | Dissolved | BROOKINGS |
| OWENS INTERSTATE SALES, INC. | DB010628 | 1971-06-24 | Active | Sturgis |
| OWENS INTERSTATE SPEARFISH, INC. | DB057597 | 2013-02-25 | Dissolved | STURGIS |
| OWENS INVESTMENTS, LLLP | DP001793 | 2007-02-12 | Active | SIOUX FALLS |
| OWENS L.L.C. | DL028712 | 2012-07-05 | Active | IROQUOIS |
| OWENS MEDICAL CONSULTING, INC. | DB048068 | 2004-03-29 | Dissolved | SIOUX FALLS |
| OWENS RENTALS PARTNERSHIP, LLP | DR000720 | 2003-06-05 | Revoked | — |
| OWENS, INCORPORATED | DF019858 | 1980-07-08 | Inactive | — |
| OWENS-FARROW PARTNERSHIP, LLP | DR000759 | 2003-10-10 | Inactive | SPEARFISH |
| OWENSVILLE COMMUNICATIONS, LLC | DL008414 | 2004-12-29 | Inactive | — |
| Owie, Inc. | DB058577 | 2014-01-08 | Dissolved | HURON |
| OWIMEX INC. | DB057291 | 2012-11-26 | Dissolved | Watertown |
| Owinza Quilters Cooperative | CO142619 | 2018-01-16 | Dissolved | KYLE |
| OWISRAEL FOUNDATION | NS049829 | 2015-12-07 | Dissolved | Brookings |
| OWL BENEVOLENT AND FRATERNAL CLUB | 19170006ND | 1917-08-31 | Dissolved | — |
| OWL BUTTE SOUTH DAKOTA, L.L.C. | DL013052 | 2007-01-24 | Active | Absarokee |
| OWL CONSTRUCTORS, CO. | FB010802 | 1986-04-04 | Revoked | IRVINE |
| OWL CREEK ENTERPRIZES, LLC | DL015327 | 2007-12-20 | Dissolved | NEWELL |
| OWL CREEK ORGANICS, LLC | DL044076 | 2015-06-22 | Active | NISLAND |
| OWL CREEK RANCH, L.L.C. | DL008223 | 2004-11-22 | Dissolved | PAYNESVILLE |
| Owl Creek Ranch, LLC | DL178142 | 2020-03-09 | Active | Belle Fourche |
| Owl Creek Services LLC | DL314198 | 2025-11-20 | Active | NISLAND |
| OWL CREEK TELEPHONE COMPANY | PU000440 | 1959-02-17 | Inactive | — |
| OWL CREEK TRUCKING LLC | DL030246 | 2012-12-04 | Dissolved | BELLE FOURCHE |
| OWL CROSSING, LLC | DL004388 | 2002-01-22 | Dissolved | — |
| Owl Dream House, LLC | DL241057 | 2022-12-28 | Active | Houston |
| OWL FEATHER WAR BONNET WOMEN'S RESOURCE CENTER | NS009675 | 1992-07-29 | Inactive | — |
| Owl Freightways, LLC | DL290376 | 2025-01-06 | Active | Sioux Falls |
| Owl Help LLC | DL259048 | 2023-09-19 | Dissolved | Lead |
| OWL Ludlow, LLC | FL043106 | 2014-11-13 | Active | Houston |
| Owl Mountain Properties LLC | DL147193 | 2018-04-21 | Dissolved | Spearfish |
| OWL NEST CONSTRUCTION LLC | DL020501 | 2009-12-30 | Dissolved | MISSION |
| OWL NEST CONSULTING, LLC. | DL026459 | 2011-12-08 | Dissolved | SPEARFISH |
| Owl Operations LLC | DL284560 | 2024-10-06 | Active | McCook Lake |
| Owl Properties, LLC | DL199412 | 2021-03-24 | Active | Rapid City |
| Owl River Origins LLC | DL258401 | 2023-09-09 | Dissolved | Watertown |
| OWL TECH, INC. | DB142572 | 2018-01-15 | Dissolved | MADISON |
| Owl trucking llc | DL331466 | 2026-07-10 | Active | Canistota |
| OWL'S HEAD VOLUNTEER FIRE COMPANY | 19530017ND | 1953-05-06 | Active | — |
| OWL, INC. | DB057478 | 2013-01-16 | Active | Bainville |
| OWL, LLC | DL028859 | 2012-07-18 | Inactive | SIOUX FALLS |
| OWLS HEAD GRANGE ASSOCIATION INC. | 19390025ND | 1939-11-09 | Dissolved | — |
| OWLS HEAD VILLAGE LIBRARY ASSOCIATION | 19270016ND | 1927-09-01 | Active | — |
| OwlTing USA, Inc. | FB226761 | 2022-05-10 | Active | ARLINGTON |
| Owlways 29:11 LLC | DL207854 | 2021-09-01 | Active | Volga |
| OwlyBox LLC | DL131972 | 2017-03-29 | Dissolved | WHITEWOOD |
| OWN DEVELOPMENT COMPANY, LLC | FL042993 | 2014-09-22 | Inactive | SAN DIEGO |
| Own The Day Fitness LLC | DL188731 | 2020-10-02 | Dissolved | Spearfish |
| OWN YOUR LIFE, LLC | DL030873 | 2013-01-09 | Active | RAPID CITY |
| OWN, INC | FB030074 | 2005-10-24 | Active | SPRINGFIELD |
| OWN.LEASE, INC | FB242029 | 2023-02-01 | Active | Plano |
| OWNENERGY, INC. | FB038161 | 2014-10-06 | Active | San Diego |
| Owner Direct Network, LLC | DL254864 | 2023-07-18 | Active | Sioux Falls |
| OWNER DIRECT REALTY, INC. | DB014074 | 1977-01-13 | Inactive | — |
| OWNER'S AUTO MART OF SIOUX FALLS, L.L.C. | DL003427 | 2000-12-21 | Inactive | — |
| OWNER-OPERATOR FINANCE COMPANY | FB022876 | 1999-08-20 | Inactive | LIVINGSTON |
| OWNER-OPERATOR SERVICES, INC. | FB016690 | 1994-02-09 | Active | GRAIN VALLEY |
| OWNERGUARD CORPORATION | FB031666 | 2007-05-14 | Active | Fort Worth |
| OWNERS AUTO MARKET INC. | DB033427 | 1993-09-17 | Inactive | — |
| OWNERS AUTO MART MITCHELL, INC. | DB044819 | 2001-12-17 | Active | MITCHELL |
| OWNERSHIP FINANCIAL COACHING, LLC | DL254931 | 2023-07-18 | Active | Rapid City |
| OWNIT MORTGAGE SOLUTIONS, INC. | FB030704 | 2006-06-12 | Revoked | AGOURA HILLS |
| OWS, LLC | FL244696 | 2023-02-17 | Active | BOCA RATON |
| Owsley Construction llc | DL206710 | 2021-07-19 | Active | Rapid city |
| Owson Properties, LLC | DL218005 | 2022-01-07 | Active | sturgis |
| OWT ASSOCIATION (RAPID CITY) | NS007938 | 1984-09-19 | Inactive | — |
| OX AND W, INC. | DF016105 | 1978-10-31 | Dissolved | — |
| OX Beauty Company, LLC. | DL288440 | 2024-12-08 | Active | Watertown |
| OX BPO, LLC. | DL293481 | 2025-02-17 | Active | Watertown |
| OX Car Care, Inc. | FB182510 | 2020-06-03 | Inactive | Irvine |
| Ox Works LLC | DL219838 | 2022-02-02 | Active | Aberdeen |
| Ox Yoke Plaza LLC | DL273918 | 2024-04-30 | Active | Box Elder |
| OX YOKE RANCH, INC. | DB031948 | 1992-07-14 | Inactive | — |
| OX YOKE RANCH, L.L.C. | DL002239 | 1999-05-03 | Inactive | — |
| OXA ROOFING & CONSTRUCTION LLC | DL280649 | 2024-08-08 | Active | BROOKINGS |
| OxBow Data Management Systems, LLC | FL214601 | 2021-11-16 | Active | BELLEVUE |
| OXBOW DEVELOPMENT CORPORATION | DB020872 | 1981-08-07 | Inactive | — |
| Oxbow Estates LLC | DL316339 | 2025-12-23 | Active | Sioux Falls |
| Oxbow Forest & Land LLC | DL250011 | 2023-05-03 | Active | BOX ELDER |
| Oxbow Logistics, LLC | DL265516 | 2023-12-31 | Dissolved | Box Elder |
| OXBOW OFFICE I, L.L.C. | DL000343 | 1995-01-03 | Dissolved | — |
| OXBOW OFFICE II, L.L.C. | DL000344 | 1995-01-03 | Dissolved | — |
| OXBOW OFFICE III, L.L.C. | DL000345 | 1995-01-03 | Dissolved | — |
| OXBOW OFFICE IV, L.L.C. | DL000346 | 1995-01-03 | Dissolved | — |
| OXBOW OFFICE V, L.L.C. | DL000347 | 1995-01-03 | Dissolved | — |
| OXBOW PROPERTIES, LLC | DL291026 | 2025-01-14 | Active | SIOUX FALLS |
| OXBOW RANCH, L.L.C. | DL014487 | 2007-08-17 | Dissolved | Custer |
| OXBOW/TERRACE HILLS ESTATES , LLLP | DP000101 | 1988-12-23 | Inactive | — |
| Oxenham Group, LLC | DL170872 | 2019-10-01 | Active | Sioux Falls |
| OXENOX, LLC | DL023248 | 2010-12-21 | Dissolved | ABERDEEN |
| OXENTENKO, INC. | FB010848 | 1986-05-05 | Active | BISMARCK |
| OXFAM-AMERICA, INC. | FN010389 | 1992-11-30 | Revoked | BOSTON |
| OXFORD 225 LLC | DL263363 | 2023-11-29 | Dissolved | SIOUX FALLS |
| OXFORD AGENCY, INC. | DB023864 | 1984-10-24 | Inactive | BLOOMINGTON |
| Oxford Apartments LLC | DL207896 | 2021-08-06 | Active | Hollywood |
| Oxford Architecture, P.C. | FB288932 | 2024-12-13 | Active | Nashville |
| Oxford Capital Group LLC | DL042367 | 2015-02-19 | Active | Sioux Falls |
| OXFORD CHEMICALS, INC. | FB006713 | 1979-07-23 | Inactive | ATLANTA |
| OXFORD COUNTY AGRICULTURAL SOCIETY | 18410000ND | 1841-04-13 | Active | — |
| OXFORD COUNTY FARM BUREAU ASSOCIATION | 19530003CP | 1953-08-24 | Active | — |
| OXFORD COUNTY MINERAL AND GEM ASSOCIATION, INC. | 19680024ND | 1968-03-07 | Active | — |
| OXFORD COUNTY TELEPHONE AND TELEGRAPH COMPANY | 19010009D | 1901-01-11 | Active | — |
| OXFORD COUNTY UNITED PARISH | 19270016N | 1927-12-07 | Active | — |
| OXFORD FARMERS CO-OPERATIVE TELEPHONE COMPANY | 19100011D | 1910-03-02 | Suspended | — |
| OXFORD FARMS INC. | DF025264 | 1986-03-31 | Active | HAYTI |
| OXFORD FOODS, INC. | 19470062D | 1947-06-27 | Canceled | — |
| OXFORD GLOBAL PARTNERS, LLC | DL262869 | 2024-01-01 | Active | SIOUX FALLS |
| OXFORD GLOBAL RESOURCES, INC. | FB022920 | 1999-09-03 | Inactive | BEVERLY |
| OXFORD GLOBAL RESOURCES, LLC | FL043209 | 2015-01-13 | Active | Beverly |
| OXFORD GRANGE CORPORATION | 19140012ND | 1914-11-05 | Dissolved | — |
| OXFORD HILLS MUSIC, ART & DRAMA BOOSTERS | 19660026ND | 1966-04-04 | Dissolved | — |
| Oxford House CMBD LLC | DL259150 | 2023-09-20 | Active | Sioux Falls |
| OXFORD HOUSE, INC. | FN030485 | 2015-12-29 | Active | Silver Spring |
| Oxford Insurance Services Limited Partnership | FP000914 | 2015-03-02 | Inactive | HOUSTON |
| OXFORD INSURANCE SERVICES LLC | FL044547 | 2016-08-24 | Inactive | HOUSTON |
| OXFORD LABORATORIES OF SOUTH DAKOTA, INC. | DB024104 | 1984-12-18 | Dissolved | — |
| OXFORD MINING & MILLING CO. | 19240022D | 1924-04-26 | Dissolved | — |
| OXFORD OFFICE SUITES ASSOCIATION, INC. | NS013204 | 2006-08-18 | Dissolved | SIOUX FALLS |
| OXFORD OFFICE SUITES II, INC. | NS013152 | 2006-06-05 | Dissolved | SIOUX FALLS |
| Oxford Preferred, LLC | DL038728 | 2014-05-08 | Active | PIERRE |
| OXFORD SECURITIES CORPORATION | FB009812 | 1984-10-05 | Revoked | BETHESDA |
| OXFORD VETERINARY LABORATORIES, INC. | FB014869 | 1991-10-15 | Revoked | WORTHINGTON |
| OXFORD VILLA ASSOCIATION, INC. | NS013089 | 2006-03-27 | Active | SIOUX FALLS |
| OXFORDSVI, INC. | FB031262 | 2006-12-27 | Revoked | PEORIA |
| oxi fresh, LLC | DL140613 | 2017-12-05 | Inactive | ALCESTER |
| OXID, INC. | DB021156 | 1981-12-10 | Dissolved | — |
| OXIO Corporation | FB290766 | 2025-01-10 | Active | New York |
| OXLEY & GOLDBURN INSURANCE, INC. | FB028487 | 2004-04-28 | Active | ROCKVILLE |
| OXMAN VII LLC | DL278546 | 2024-07-10 | Inactive | SIOUX FALLS |
| Oxner Law Office, LLC | DL170783 | 2019-10-01 | Inactive | Sioux Falls |
| Oxner Media Group, LLC | DL287010 | 2024-11-13 | Inactive | Sioux Falls |
| Oxner Storage, LLC | DL216880 | 2021-12-21 | Active | BOWDLE |
| Oxner, LLC | DL224873 | 2022-04-13 | Active | Ipswich |
| OXO TOWER LIMITED COMPANY | DL009655 | 2005-08-09 | Inactive | — |
| OXONIA INSURANCE GROUP, INC. | FB031315 | 2007-01-17 | Revoked | TAMARAC |
| OXOX OIL, LTD. | DB038050 | 1996-12-31 | Dissolved | RAPID CITY |
| Oxum, LLC | DL308520 | 2025-09-04 | Active | Watertown |
| OxX Company LLC | DL313755 | 2025-11-17 | Active | Sheridan |
| OXY PETROLEUM, INC. | FB010662 | 1986-01-16 | Inactive | TULSA |
| OXY PETROLEUM, INC. | FB007514 | 1981-01-29 | Inactive | TULSA |
| OXY USA INC. | FB008772 | 1983-01-20 | Inactive | TULSA |
| OXY-GEN XTRA, LLC | DL004859 | 2002-06-25 | Inactive | BRITTON |
| Oxy808 LLC | DL246269 | 2023-03-12 | Dissolved | vermillion |
| OXYGEN SERVICE CO., INC. | FB024877 | 2001-03-02 | Active | Saint Paul |
| OXYGEN SERVICES, INCORPORATED | DB020573 | 1981-04-13 | Dissolved | — |
| Oxypro, Inc. | FB180767 | 2020-04-30 | Active | IRVING |
| OY'S GRAVEL, L.L.C. | DL005836 | 2003-05-05 | Dissolved | — |
| Oyanke wan Oyate unkitawa yuhapi Limited Partnership | DP185640 | 2020-07-20 | Active | KYLE |
| Oyate Appliance LLC | DL180792 | 2020-05-01 | Dissolved | Sioux City |
| OYATE CONCERN | NS012266 | 2003-03-25 | Active | — |
| OYATE DEVELOPMENT CORPORATION | NS008298 | 1986-05-15 | Inactive | — |
| OYATE EARLY CHILDHOOD ASSOCIATION | NS009465 | 1991-08-26 | Inactive | — |
| Oyate EMS LLC | DL198057 | 2021-03-05 | Suspended | McLaughlin |
| OYATE FOR SOBRIETY, INC. | NS012822 | 2005-04-20 | Inactive | — |
| Oyate Health Center | NS245673 | 2023-03-03 | Dissolved | Rapid City |
| OYATE HO (VOICE OF THE PEOPLE) | NS012088 | 2002-08-26 | Dissolved | — |
| Oyate Hope Academy | NS240042 | 2022-12-09 | Active | OGLALA |
| OYATE KICI YUHA (KEEPER FOR THE PEOPLE), LLC | DL029552 | 2012-09-27 | Dissolved | TIMBER LAKE |
| Oyate Kin Chante Wastepi | NS176145 | 2020-01-21 | Dissolved | RAPID CITY |
| OYATE KIN CULTURAL SOCIETY | NS008308 | 1986-06-05 | Inactive | — |
| OYATE KIN INA MAKA | NS269831 | 2024-03-04 | Active | Rapid City |
| OYATE KIN WACEKIYA OMNICIYE | NS011059 | 1998-06-24 | Inactive | — |
| OYATE KIWASTE, INC. | NS014290 | 2010-04-12 | Dissolved | — |
| Oyate Management LLC | DL152851 | 2018-08-22 | Dissolved | Rapid City |
| Oyate Mentorship & Management LLC | DL283345 | 2024-09-18 | Dissolved | Eagle Butte |
| Oyate Mni CO. | NS133030 | 2017-05-01 | Dissolved | MOBRIDGE |
| Oyate Nazin (Standing Nation) Community Development Corporation | NS283102 | 2024-10-01 | Active | Pine Ridge |
| OYATE NETWORKING PROJECT, INC. | NS010389 | 1995-08-29 | Active | Mission |
| OYATE OKICIYAPI (PEOPLE/NATIONS HELPING ONE ANOTHER) | NS012523 | 2004-03-17 | Inactive | — |
| OYATE PARKS | NS014628 | 2011-06-23 | Dissolved | Hot Springs |
| Oyate Partners, LLC | DL313120 | 2025-11-06 | Active | Lower Brule |
| Oyate Products LLC | DL177061 | 2020-02-07 | Active | Sisseton |
| OYATE SOCCER | NS013081 | 2006-03-24 | Inactive | — |
| Oyate Tawa | NS332219 | 2026-06-27 | Active | Pine Ridge |
| OYATE TECA PROJECT | NS009993 | 1993-12-17 | Active | KYLE |
| Oyate Tech Business Solutions LLC | DL323060 | 2026-03-11 | Active | Hot Springs |
| OYATE TRAIL OF SOUTHERN SOUTH DAKOTA ASSOCIATION, INCORPORATED | NS010148 | 1994-08-09 | Dissolved | ROSEBUD |