| OSHKOSH AEROTECH, LLC | FL272817 | 2024-04-12 | Active | ORLANDO |
| Osho LLC | DL199638 | 2021-03-27 | Active | Sioux Falls |
| OSI COLLECTION SERVICES, INC. | FB019070 | 1996-06-24 | Inactive | HORSHAM |
| OSI EDUCATION SERVICES, INC. | FB024108 | 2000-07-19 | Inactive | NEW BERLIN |
| OSI Engineering, Inc. | FB284958 | 2024-10-11 | Revoked | Campbell |
| OSI ENVIRONMENTAL, INC. | FB012870 | 1989-07-27 | Inactive | RAMSEY |
| OSI Environmental, LLC | FL298796 | 2025-04-25 | Inactive | Raleigh |
| OSI HARDWARE, INC. | FB181317 | 2020-05-11 | Active | SANTA BARBARA |
| OSI LLC | DL212326 | 2021-10-15 | Dissolved | Watertown |
| OSI Medical Services, P.A., Inc. | FB320982 | 2026-02-17 | Active | BOCA RATON |
| OSI MEDICAL SERVICES, P.C. | FB281145 | 2024-08-15 | Revoked | BOCA RATON |
| OSI MIDWEST, INC. | FB007917 | 1981-09-04 | Revoked | OMAHA |
| OSI MIDWEST, INC. | FB015604 | 1992-10-14 | Revoked | OMAHA |
| OSI PORTFOLIO SERVICES, INC. | FB031714 | 2007-06-04 | Inactive | HORSHAM |
| OSIA, INC. | DB050099 | 2005-09-06 | Inactive | — |
| OSIER-HAMLIN-MORRIS-HURD (OHMH) POST #84 THE AMERICAN LEGION | 19550060ND | 1955-12-16 | Active | — |
| Osiris Consulting, LLC | DL248488 | 2023-04-11 | Dissolved | Bronx |
| OSIS Founder Holdings, Inc. | DB238682 | 2022-11-16 | Active | Dakota Dunes |
| OSKALOOSA MOTORS LLC | DL007895 | 2004-09-13 | Inactive | MITCHELL |
| OSL Retail Services Corporation | FB154881 | 2018-10-09 | Active | Cherry Hill |
| OSL Ventures LLC | DL240849 | 2022-12-22 | Dissolved | Rapid City |
| OSLO EVANGELICAL LUTHERAN CHURCH | CH000584 | 1927-03-31 | Dissolved | VOLGA |
| Oslo Investments LLC | DL196883 | 2021-02-17 | Dissolved | Sioux Falls |
| Oslo LLC | DL275191 | 2024-05-17 | Dissolved | Sioux Falls |
| OSM LLC | DL206802 | 2021-07-20 | Dissolved | SIOUX FALLS |
| OSM Lounge INC | DB223362 | 2022-03-23 | Dissolved | Sioux Falls |
| OSMA Group LLC | DL320065 | 2026-02-05 | Active | Prescott |
| Osman Farms, LLC | DL256344 | 2023-08-09 | Dissolved | Redfield |
| OSMAN MOTOR COMPANY, INC. | DB000595 | 1959-05-29 | Inactive | — |
| OSMAN PROPERTIES, llc | DL040025 | 2014-08-21 | Active | SIOUX FALLS |
| Osmanson Distributing, LLC | DL156893 | 2018-11-28 | Active | Sioux Falls |
| Osmers Equipment Rental LLC | DL232705 | 2022-08-16 | Dissolved | Sioux Falls |
| Osmium Financial Group, LLC | DL301123 | 2025-05-27 | Active | Hasbrouck Heights |
| OSMOCREA, LLC | DL012969 | 2007-01-16 | Dissolved | CUSTER |
| OSMOSE COMMUNICATIONS SERVICES, LLC | FL006612 | 2012-12-12 | Revoked | PEACHTREE CITY |
| OSMOSE UTILITIES SERVICES, INC. | FB026806 | 2002-11-22 | Active | Atlanta |
| OSMOSE, INC. | FB005926 | 1977-06-29 | Inactive | BUFFALO |
| OSMOSE, INC. | 19540006F | 1954-08-03 | Withdrawn | — |
| OSMUNDSON IMPLEMENT, INC. | FB038758 | 2015-08-10 | Active | SIOUX FALLS |
| OSMUNDSON IMPLEMENT, INC. | FB005243 | 1976-02-23 | Revoked | SIOUX FALLS |
| OSMUNDSON, INC. | DB028265 | 1989-04-03 | Inactive | — |
| OSNES ENTERPRISES LLC | DL017398 | 2008-09-22 | Active | PIERRE |
| Osnes Family Farm, LLC | DA129747 | 2017-01-18 | Active | PIERRE |
| Osnes Homestead Enterprises, LLC | DL326410 | 2026-04-18 | Active | Burke |
| OSNESS SALES, INC. | DB040168 | 1998-06-15 | Inactive | — |
| OSO Content, LLC | DL316985 | 2026-01-03 | Active | Box Elder |
| OSO Enterprises, LLC | DL225878 | 2022-04-27 | Active | Rapid City |
| OSO SD Investments LLC | DL281363 | 2024-08-20 | Active | BELLFLOWER |
| OSP CONSULTANTS, INC. | FB020815 | 1997-12-16 | Revoked | STERLING |
| OSP Global Solutions LLC | DL192656 | 2020-12-11 | Inactive | Rapid City |
| OSPREY CAPITAL SD LLC | DL024881 | 2011-06-06 | Inactive | SIOUX FALLS |
| OSPREY INVESTIGATIVE SOLUTIONS, LLC | DL218548 | 2022-01-14 | Active | RAPID CITY |
| Osprey Trail Road District | DM009865 | 2015-07-13 | Active | — |
| OSR Holding Company LLC | FL274384 | 2024-05-06 | Active | Chicago |
| OSRAM SYLVANIA INC. | FB020018 | 1997-04-21 | Active | Hillsboro |
| OSRAM SYLVANIA INC. | FB006984 | 1980-03-17 | Inactive | WILMINGTON |
| OSRAM SYLVANIA INC. | 19590022F | 1959-02-24 | Merged | — |
| OSRX, Inc. | FB267639 | 2024-02-01 | Active | Missoula |
| OSS-II, LLC | DL176995 | 2020-02-06 | Inactive | SPEARFISH |
| OSSATRON SERVICES OF SIOUX FALLS, LIMITED PARTNERSHIP | FP000443 | 2001-06-20 | Inactive | MARIETTA |
| Ossio Inc. | FB198619 | 2021-03-15 | Active | Woburn |
| OSSO VR, INC. | FB250155 | 2023-05-04 | Inactive | SAN FRANCISCO |
| OST INC. | DB042723 | 2000-04-24 | Inactive | — |
| OST,LLC | DL205390 | 2021-06-25 | Active | OSTERVILLE |
| Ostara Inc. | FB314393 | 2025-11-24 | Active | St. Louis |
| Ostby Auctioneering, LLC | DL313687 | 2025-11-14 | Active | New Effington |
| OSTBYE MASONRY, INC. | DB043899 | 2001-03-14 | Dissolved | MITCHELL |
| OSTBYE'S FLOORING INCORPORATED | DB049834 | 2005-06-10 | Dissolved | Sioux Falls |
| Ostendorf Consulting Professional Limited Liability Company | DL035762 | 2013-11-12 | Inactive | RAPID CITY |
| OSTEOMED CORPORATION | FB034597 | 2010-08-26 | Inactive | ADDISON |
| OSTEOMED LIMITED PARTNERSHIP | FP000762 | 2010-08-26 | Inactive | ADDISON |
| OSTEOMED LLC | FL006284 | 2012-04-23 | Active | Addison |
| Osteopathic Emergency Services P.C. | DB167977 | 2019-07-29 | Dissolved | Rosebud |
| OSTEOPOROSIS SCREENING CENTER, P.C. | DB036331 | 1995-10-12 | Dissolved | RAPID CITY |
| OSTEOPOROSIS SCREENING CENTER, P.C. | DB025515 | 1986-06-24 | Inactive | — |
| OsteoSolutions, L.L.C. | DL039900 | 2014-08-12 | Dissolved | DAKOTA DUNES |
| OsteoStrong Franchising, Inc. | FB246480 | 2023-03-14 | Active | Houston |
| Oster & Associates LLC | DL313650 | 2025-11-14 | Active | Rapid City |
| OSTER AND ASSOCIATES, INC. | DB039589 | 1998-01-26 | Inactive | — |
| Oster Consulting LLC | DL228019 | 2022-05-31 | Active | Rapid City |
| OSTER CONSULTING, LLC | DL025509 | 2011-08-24 | Inactive | SIOUX FALLS |
| OSTER ENTERPRISES, INC. | FB037689 | 2014-04-11 | Inactive | JAMESTOWN |
| OSTER FEEDLOTS, INC. | DF019452 | 1980-02-04 | Active | EUREKA |
| OSTER INCORPORATED | DB060456 | 2015-11-09 | Dissolved | MOBRIDGE |
| Oster Law Firm, PLLC | DL198577 | 2021-03-13 | Active | Sioux Falls |
| Oster Patents, LLC | DL133785 | 2017-05-29 | Inactive | Brandon |
| Oster Properties, LLC | DL138785 | 2017-10-22 | Active | Rapid City |
| OSTER-SEIBEL EXCAVATING, L.L.C. | DL170431 | 2019-09-19 | Active | STURGIS |
| OSTERKAMP CONCRETE, INC. | DB041906 | 1999-10-04 | Dissolved | PIERRE |
| OSTERKAMP SERVICES, L.L.C. | DL011123 | 2006-04-13 | Dissolved | SIOUX FALLS |
| Osterkamp Transportation Services LLC | DL175403 | 2020-01-07 | Dissolved | Northville |
| Osterloh Farm and Orchard L.L.C. | DL240839 | 2022-12-23 | Inactive | HOT SPRINGS |
| Osterloo Farms LLLP | DP002796 | 2015-02-12 | Inactive | MITCHELL |
| Osterloo Holdings LLC | DL146018 | 2018-03-29 | Dissolved | Aberdeen |
| OSTERLOO KADLEC HOLDINGS, LLC | DL164370 | 2019-05-09 | Active | Rapid City |
| Osterloo Real Estate, LLC | DL040764 | 2014-10-20 | Dissolved | Sioux Falls |
| Osterloo, LLC | DL040765 | 2014-10-20 | Dissolved | Sioux Falls |
| Ostermyer Holdings, LLC | DL315188 | 2025-12-07 | Active | Sioux Falls |
| OsternProperties. LLC | DL235586 | 2022-09-27 | Active | Sturgis |
| OSTG INC. | FB026199 | 2002-04-29 | Revoked | ACTON |
| OSTHUS FAMILY PROPERTIES, L.L.C. | DL015594 | 2008-01-22 | Dissolved | LENNOX |
| Osti, LLC | DL281823 | 2024-08-27 | Active | Sioux Falls |
| OSTLUND CHEMICAL COMPANY | FB014345 | 1991-03-13 | Inactive | GREELEY |
| OSTOMY SUPPLY & CARE CENTER, INC. | FB013343 | 1990-01-22 | Inactive | FARGO |
| OSTRICH-MARLIN INCORPORATED | DB177128 | 2020-02-10 | Dissolved | Seattle |
| Ostriland Inc | DB283955 | 2024-09-27 | Active | Sioux Falls |
| OstriTreats INC | DB209600 | 2021-09-03 | Active | Sioux Falls |
| Ostrom Rentals, LLC | DL241282 | 2022-12-30 | Dissolved | Spearfish |
| Ostrom Services, LLC | DL174374 | 2020-01-01 | Inactive | Spearfish |
| Ostrom Services, LLC | DL326226 | 2026-04-16 | Active | Spearfish |
| OSTROV CORPORATION | FB015970 | 1993-04-02 | Inactive | AKRON |
| Osundolu Leadership Institute LLC | DL317763 | 2026-01-12 | Active | Watertown |
| OSUNTOKUN MEDICAL, INC. | DB043210 | 2000-09-11 | Inactive | — |
| OSW, LLC | DL009613 | 2005-08-01 | Dissolved | — |
| Oswald Contracting & Properties LLC | DL141452 | 2017-12-23 | Active | Beresford |
| Oswald Engineering Solutions, LLC | DL148179 | 2018-05-12 | Dissolved | Spearfish |
| OSWALD FISHERIES, INC. | FB031949 | 2007-08-29 | Inactive | ELLENDALE |
| OSWALD INVESTIGATIONS, LLC | DL020840 | 2010-02-19 | Active | VERMILLION |
| Oswald Investments, LLC | DL274297 | 2024-05-03 | Active | Vermillion |
| OSWALD LAW, P.C. | DB056992 | 2012-06-26 | Dissolved | SPEARFISH |
| Oswald Properties LLC | DL167337 | 2019-07-15 | Dissolved | BERESFORD |
| OSWALD PROPERTIES, LLC | FL005076 | 2010-03-31 | Revoked | BRUCE |
| OSWALD TRUCKING, L.L.C. | DL005844 | 2003-05-08 | Active | HURON |
| OT Payments LLC | DL253123 | 2023-06-19 | Active | WATERTOWN |
| OT PPLI LLC | DL311224 | 2025-10-10 | Active | Sioux Falls |
| OT Trax LLC | DL197996 | 2021-03-05 | Inactive | Dakota Dunes |
| OT WALLEYE GUYS, LLC | DL042133 | 2015-01-30 | Dissolved | SIOUX FALLS |
| OT, LLC | DL032967 | 2013-06-26 | Dissolved | SIOUX FALLS |
| OTA | NS049859 | 2016-01-08 | Dissolved | Sioux Falls |
| Ota Au Films LLC | DL237625 | 2022-10-31 | Dissolved | Eagle Butte |
| OTA Investments, LLC | DL152841 | 2018-08-22 | Active | Fairburn |
| Otak, Inc. | FB134684 | 2017-06-29 | Active | Portland |
| OTAKU INCORPORATED | NS013105 | 2006-04-10 | Dissolved | SIOUX FALLS |
| OTasket, L.L.C. | DL037660 | 2014-03-03 | Dissolved | RAPID CITY |
| OTB - Mitchell, LLC | FL253385 | 2023-06-22 | Active | Watertown |
| OTB - Pierre, LLC | FL261188 | 2023-10-22 | Active | Watertown |
| OTB - Sioux Falls, LLC | FL253469 | 2023-06-24 | Active | Watertown |
| OTB - SPEARFISH, LLC | FL286794 | 2024-11-11 | Active | Watertown |
| OTB - Vermillion, LLC | FL286812 | 2024-11-11 | Inactive | Watertown |
| OTB - WATERTOWN, LLC | FL286817 | 2024-11-11 | Active | Watertown |
| OTB - YANKTON, LLC | FL286818 | 2024-11-11 | Active | Watertown |
| OTB ACQUISITION LLC | FL202373 | 2021-05-05 | Revoked | Irving |
| OTB Computing L.L.C | DL137756 | 2017-10-01 | Dissolved | Box Elder |
| OTB FUNDING 1 LLC | DL050091 | 2016-09-26 | Active | Souix Falls |
| OTB Land, LLC | DL246327 | 2023-03-13 | Active | Rapid City |
| OTB, LLC | DL285303 | 2024-10-17 | Active | Sioux Falls |
| OTC PROPERTY PRESERVATION LLC | DL031151 | 2013-02-07 | Dissolved | Lyons |
| OTE, INC. | DB038546 | 1997-05-06 | Inactive | — |
| OTECH SD, LLC | DL277193 | 2024-06-18 | Active | Aberdeen |
| OTECI YO TIPI SAKOWIN | NS011736 | 2001-04-12 | Inactive | — |
| OTEKA TRANSPORT SERVICES LLC | DL028158 | 2012-05-10 | Dissolved | BOX ELDER |
| OTF DISTRIBUTION, LLC | FL140029 | 2017-11-20 | Revoked | BOCA RATON |
| OTF Product Sourcing, LLC | FL160664 | 2019-02-21 | Revoked | Boca Raton |
| OTF PRODUCT SOURCING, LLC | FL195000 | 2021-01-19 | Active | BOCA RATON |
| OTG MARKETING LLC | DL047949 | 2016-04-11 | Dissolved | BRUCE |
| OTG, LLC | DL020617 | 2010-01-19 | Active | SIOUX FALLS |
| OTH NE, LLC | FL261222 | 2023-10-23 | Active | 25 First Ave. SW STE A |
| OTH WY, LLC | FL261083 | 2023-10-19 | Active | Watertown |
| Other Mother, L.L.C. | DL006673 | 2003-12-18 | Active | NORTH SIOUX CITY |
| OTI KAGA LIMITED PARTNERSHIP | DP000601 | 1996-11-18 | Active | — |
| OTI KAGA, INC. | NS009908 | 1993-07-29 | Dissolved | Eagle Butte |
| OTICON, INC. | FB236494 | 2022-10-11 | Active | SOMERSET |
| OTIS & JACOBS LIMITED PARTNERSHIP I | DP001533 | 2004-05-27 | Active | — |
| OTIS & JACOBS, INC. | DB048179 | 2004-04-22 | Inactive | RAPID CITY |
| OTIS BAPTIST CHURCH | 19210009N | 1921-08-11 | Active | — |
| Otis Educational Systems, Inc. | DB293601 | 2025-02-19 | Dissolved | Arlington |
| OTIS EDUCATIONAL SYSTEMS, INC. | FB035715 | 2012-01-26 | Revoked | Kennesaw |
| OTIS ELEVATOR COMPANY | FB000788 | 1937-12-31 | Active | Farmington |
| OTIS ELEVATOR COMPANY | 19130001F | 1913-09-26 | Active | — |
| OTIS ENGINEERING CORPORATION | FB005893 | 1977-06-02 | Inactive | DALLAS |
| OTIS ENTERPRISES, LIMITED PARTNERSHIP | DP000939 | 1998-12-16 | Active | — |
| OTIS MINNESOTA SERVICES, LLC | FL232675 | 2022-08-16 | Active | WELLSVILLE |
| OTIS SPUNKMEYER, INC. | FB020984 | 1998-02-10 | Inactive | SAN LEANDRO |
| OTIS SPUNKMEYER, INC. | FB025983 | 2002-02-22 | Inactive | SAN LEANDRO |
| Otis, LLC | DL219293 | 2022-01-26 | Active | Rapid City |
| OTIS-MAGIE INSURANCE AGENCY, INC. | FB027274 | 2003-05-01 | Inactive | Duluth |
| OTISFIELD CEMETERIES ASSOCIATION | 19220015N | 1922-12-26 | Active | — |
| OTISFIELD VOLUNTEER FIREFIGHTERS ASSOCIATION | 19550049ND | 1955-09-28 | Active | — |
| OTISOTA, LLC | DL030067 | 2012-11-15 | Dissolved | WINTER HAVEN |
| OTIUM SANCTUM, LLC | DL010301 | 2005-12-12 | Dissolved | WHITEWOOD |
| OTIWOTA ARCHEAOLOGICAL RESEARCH INSTITUTE | NS007349 | 1982-03-31 | Inactive | — |
| OTJ Architects, Inc. | FB199466 | 2021-03-26 | Revoked | Washington |
| OTL Hospitality, LLC | DL130970 | 2017-02-23 | Dissolved | SIOUX FALLS |
| OTL Outdoors LLC | DL267091 | 2024-01-24 | Active | Hartford |
| OTM Insurance Specialists, LLC | FL209617 | 2021-09-03 | Active | Boerne |
| OTM, LLC | DL248589 | 2023-04-13 | Dissolved | Summerset |
| OTNO DEVELOPMENT CORPORATION | DB041084 | 1999-02-12 | Inactive | — |
| OTOCORP, INC. | DB036759 | 1996-01-24 | Inactive | — |
| Otoka Asset Management, LLC | DL042927 | 2015-03-24 | Active | SIOUX FALLS |
| Otolith LLC | DL257122 | 2023-08-22 | Dissolved | Chicago |
| Otologic Solutions, L.L.C. | DL192487 | 2020-12-08 | Dissolved | Colleyville |
| OTONOMY, INC. | FB038500 | 2015-04-30 | Inactive | San Diego |
| Otoole SD5, LLC | DL235110 | 2022-09-21 | Active | Rapid City |
| OTR Dummy LLC | DL273843 | 2024-04-28 | Active | Watertown |
| OTR PARTNERS I, LIMITED PARTNERSHIP | DP000036 | 1988-03-01 | Inactive | LEADWOOD |
| OTR PARTNERS II, LIMITED PARTNERSHIP | DP000038 | 1988-03-04 | Inactive | — |
| OTR PARTNERS III, LIMITED PARTNERSHIP | DP000039 | 1988-03-04 | Inactive | — |
| OTR PARTNERS IV, LIMITED PARTNERSHIP | DP000040 | 1988-03-04 | Inactive | — |
| OTR PARTNERS IX, LIMITED PARTNERSHIP | DP000045 | 1988-03-04 | Inactive | — |
| OTR PARTNERS V, LIMITED PARTNERSHIP | DP000041 | 1988-03-04 | Inactive | — |