| ORRIS LMK, LLC | DL288583 | 2024-12-10 | Active | Watertown |
| ORRIS MAO, LLC | DL288565 | 2024-12-10 | Active | Watertown |
| ORRIS MLM, LLC | DL288581 | 2024-12-10 | Active | Watertown |
| ORRIS SMO, LLC | DL288557 | 2024-12-10 | Active | Watertown |
| Orrvexxa Group Corp | DB319150 | 2026-01-27 | Active | Alhambra |
| ORSOCO, LLC | DL046799 | 2016-01-19 | Dissolved | Kerrville |
| Orsted Onshore North America Power, LLC | FL174541 | 2019-12-18 | Inactive | Chicago |
| ORSTED ONSHORE REAL ESTATE HOLDINGS, LLC | FL229102 | 2022-06-17 | Active | Chicago |
| ORT'S TIRE & SERVICE, INC. | DB027353 | 1988-05-09 | Dissolved | — |
| Ortega Companies LLC | DL284817 | 2024-10-09 | Active | Sioux Falls |
| Ortega Holdings LLC | FL324842 | 2026-04-01 | Active | overland park |
| Ortega National Parks LLC | FL287408 | 2024-11-19 | Active | OVERLAND PARK |
| ORTEN M CHRISTOPHERSON, DDS P.C. | DB013320 | 1976-01-05 | Dissolved | — |
| Orth Custom Homes LLC | DL202008 | 2021-04-29 | Active | Spearfish |
| ORTH CUSTOM HOMES, LLC | DL024559 | 2011-05-03 | Inactive | SPEARFISH |
| Orth Family Farm, LLC | DL036883 | 2014-01-10 | Dissolved | RAPID CITY |
| Orth Farms Family Limited Partnership | DP140891 | 2017-12-12 | Active | ALPENA |
| Orth Lawn Service, LLC | DL216920 | 2021-12-21 | Active | Mobridge |
| ORTHALLIANCE, INC. | FB020915 | 1998-01-15 | Inactive | METAIRE |
| Orthaus Family Farms LLC | DL131876 | 2017-03-27 | Active | FLORENCE |
| ORTHAUS FARMS, INC. | DF000021 | 1989-04-06 | Inactive | — |
| Ortho Aligner Assist LLC | DL201209 | 2021-04-19 | Active | Rapid City |
| ORTHO MEDICS HOLDING COMPANY, LLC | DL021592 | 2010-05-26 | Dissolved | SIOUX FALLS |
| ORTHO MEDICS SIOUX FALLS, LLC | DL021593 | 2010-05-26 | Dissolved | SIOUX FALLS |
| Ortho Superstore LLC | DL285306 | 2024-10-17 | Dissolved | Brookings |
| ORTHO-CLINICAL DIAGNOSTICS, INC. | FB035464 | 2011-10-11 | Active | Raritan |
| ORTHOACCEL TECHNOLOGIES, INC. | FB039005 | 2015-12-04 | Revoked | BELLAIRE |
| OrthoDesigns, Inc. | DB240807 | 2022-12-22 | Active | Dakota Dunes |
| ORTHODONTIC PROPERTIES LIMITED PARTNERSHIP | DP000998 | 1999-02-22 | Active | — |
| ORTHODONTICS OF THE BLACK HILLS, P.C. | DB219235 | 2022-01-26 | Dissolved | Rapid City |
| ORTHODONTICS, LTD. | DB019455 | 1980-02-04 | Dissolved | SIOUX FALLS |
| ORTHODOX AVIATION LEASING, LLP | DR000384 | 1999-05-24 | Inactive | — |
| ORTHOFIX INC. | FB025706 | 2001-11-19 | Inactive | LEWISVILLE |
| ORTHOFIX INC. | FB020892 | 1998-01-08 | Revoked | ST PAUL |
| ORTHOFIX US LLC | FL266978 | 2024-01-23 | Active | Lewisville |
| OrthoFold LLC | DL234923 | 2022-09-19 | Dissolved | Rapid City |
| OrthoLive Medical Group, PC | FB279169 | 2024-07-19 | Active | Cincinnati |
| ORTHOLOCUMS LLC | FL042660 | 2014-05-05 | Inactive | DAYTON |
| Orthologic Consulting, LLC | DL131472 | 2017-03-13 | Inactive | DAKOTA DUNES |
| ORTHOLOGIC CORP. | FB021577 | 1998-07-20 | Inactive | TEMPE |
| ORTHONET LLC | FL044436 | 2016-07-05 | Active | Eden Prairie |
| ORTHOPAEDIC AND TRAUMA ASSOCIATES, LTD. | DB011340 | 1972-11-01 | Dissolved | — |
| ORTHOPAEDIC BUILDING PARTNERSHIP, L.L.P. | DR000074 | 1996-08-06 | Active | RAPID CITY |
| Orthopaedic Building Partnership, LLC | DL287149 | 1996-08-06 | Inactive | RAPID CITY |
| ORTHOPAEDIC CONSULTANTS, LTD. | DB007370 | 1968-07-02 | Dissolved | SIOUX FALLS |
| ORTHOPAEDICS OF STEAMBOAT SPRINGS, P.C. | FB038990 | 2015-11-23 | Revoked | STEAMBOAT SPRINGS |
| ORTHOPEDIC & SPORTS MEDICINE CLINIC, P.C. | DB019426 | 1980-01-21 | Inactive | — |
| ORTHOPEDIC ANCILLARY SERVICES, LLC | DL002549 | 1999-11-02 | Inactive | RAPID CITY |
| ORTHOPEDIC ASSOCIATES P.C. | DB050815 | 2006-03-09 | Dissolved | MITCHELL |
| ORTHOPEDIC CENTER OF THE DAKOTAS MANAGEMENT SERVICES | DR000629 | 2002-04-30 | Dissolved | ABERDEEN |
| ORTHOPEDIC ENTERPRISES, L.L.C. | DL002809 | 2000-02-25 | Dissolved | — |
| ORTHOPEDIC EQUIPMENT COMPANY, INC. | FB005363 | 1976-05-10 | Revoked | BOURBON |
| Orthopedic Institute Foundation | NS174898 | 2019-12-27 | Active | TEA |
| Orthopedic Institute Performance, LLC | DL035695 | 2013-11-14 | Inactive | SIOUX FALLS |
| Orthopedic Institute Real Estate Group - Mitchell, LLC | DL222182 | 2022-03-07 | Active | Tea |
| Orthopedic Institute Real Estate Group - Tea, LLC | DL257123 | 2023-08-22 | Active | Tea |
| Orthopedic Institute Real Estate Group, LLC | DL217810 | 2022-01-04 | Active | Tea |
| ORTHOPEDIC INSTITUTE, P.C. | DB011441 | 1972-12-28 | Active | Tea |
| ORTHOPEDIC LAND COMPANY, LLC | DL004304 | 2001-12-24 | Inactive | RAPID CITY |
| ORTHOPEDIC PHYSICAL THERAPY CENTER, LTD. | DB049640 | 2005-04-26 | Active | Aberdeen |
| ORTHOPEDIC PROPERTIES, LLP | DR000171 | 1997-07-23 | Dissolved | ABERDEEN |
| ORTHOPEDIC SURGERY SPECIALISTS, LTD. | DB037198 | 1996-05-09 | Dissolved | ABERDEEN |
| ORTHOPEDICS INTERNATIONAL, L.L.C. | DL023465 | 2011-01-10 | Dissolved | YANKTON |
| OrthoRefresh.com LLC | DL226109 | 2022-05-01 | Active | Sioux Falls |
| ORTHOREHAB, INC. | FB025272 | 2001-06-26 | Revoked | TEMPE |
| ORTHORX, INC. | FB030344 | 2006-02-06 | Active | CARLSBAD |
| OrthoTech, LLC | FL283840 | 2024-09-25 | Active | Nashille |
| ORTHOTIC & PROSTHETIC HEALTH SERVICES, L.L.C. | DL006365 | 2003-10-08 | Inactive | — |
| ORTHOTIC & PROSTHETIC SPECIALTIES, INC. | DB044129 | 2001-05-14 | Active | SIOUX FALLS |
| ORTHOTIC AND PROSTHETIC ASSOCIATES, INC. | DB034769 | 1994-09-01 | Inactive | — |
| Ortiz Contracting LLC | DL246918 | 2023-03-20 | Dissolved | Sioux Falls |
| ORTIZ MACHINE COMPANY, LLC | FL042497 | 2014-03-03 | Inactive | BOCA RATON |
| ORTLEY FREE LUTHERAN CHURCH OF ORTLEY, SOUTH DAKOTA | CH002899 | 1971-03-21 | Inactive | — |
| ORTLEY SENIOR CITIZENS, INCORPORATED | NS007818 | 1984-04-04 | Dissolved | Sioux Falls |
| ORTLEYS PEST CONTROL LLC | DL135695 | 2017-08-07 | Active | McLaughlin |
| ORTMAN CHEMICAL SALES, L.L.C. | DL006625 | 2003-12-12 | Inactive | MARION |
| ORTMAN CHIROPRACTIC CLINIC, P.C. | DB013296 | 1975-12-30 | Active | CANISTOTA |
| ORTMAN DEVELOPMENT, L.L.C. | DL009390 | 2005-06-15 | Active | Bonita Springs |
| ORTMAN FAMILY FARM, LLP | DR001283 | 2009-08-10 | Inactive | Rapid City |
| Ortman Family Farms LLC | DL177298 | 2020-02-13 | Active | MARION |
| ORTMAN FAMILY, LLC | DA029125 | 2012-08-16 | Inactive | — |
| ORTMAN FAMILY, LLC | DL029125 | 2012-08-16 | Active | — |
| ORTMAN FARMS, INC. | DF000026 | 1989-06-01 | Active | MARION |
| Ortman Finances, LLC | DL274068 | 2024-05-01 | Active | Canistota |
| ORTMAN FOUNDATION | NS000693 | 1954-06-15 | Dissolved | — |
| Ortman Hotel, LLC | DL148437 | 2018-06-01 | Dissolved | Canistota |
| ORTMAN INVESTMENT CORPORATION | DB010189 | 1970-07-09 | Inactive | — |
| Ortman Lake House, L.L.C. | DL135865 | 2017-08-11 | Dissolved | Canistota |
| Ortmans Seasonal Services LLC | DL276802 | 2024-06-13 | Active | Canistota |
| Orton Land, LLC | DL048149 | 2016-04-22 | Active | Sioux Falls |
| Ortonville Auto Parts LLC | DL291094 | 2025-01-15 | Active | Milbank |
| ORTONVILLE JAYCEES, INC. | FN010536 | 1997-11-06 | Revoked | ORTONVILLE |
| ORTONVILLE SOUTHSIDE STORAGE LLC | DL029684 | 2012-10-12 | Inactive | MILBANK |
| ORTONVILLE STONE CO. | FB019767 | 1997-01-31 | Revoked | ORTONVILLE |
| ORU Brands LLC | DL325879 | 2026-04-12 | Active | Sioux Falls |
| ORUB412 LLC | DL230387 | 2022-07-11 | Dissolved | Watertown |
| ORV-AIR, INC. | DB019450 | 1980-02-01 | Dissolved | — |
| ORVEDAHL CONSTRUCTION, INC. | FB006134 | 1977-11-14 | Revoked | MINNEAPOLIS |
| ORVEON GLOBAL US LLC | FL211595 | 2021-10-04 | Active | New York |
| Orvessa LLC | DL329091 | 2026-05-19 | Active | Watertown |
| Orvest LLC | DL180441 | 2020-04-24 | Inactive | Watertown |
| Orvest LP | DP181398 | 2020-05-12 | Active | WATERTOWN |
| ORVILLE AND WILBUR, LLC | DL024987 | 2011-06-20 | Dissolved | SIOUX FALLS |
| ORVILLE CORP, INC. | 19560086D | 1956-04-13 | Dissolved | — |
| ORVILLE HVEEM CONSTRUCTION, INC. | DB021737 | 1982-08-11 | Inactive | — |
| ORVILLE SMITH LAND AND CATTLE COMPANY, INC. | DB048128 | 2004-04-09 | Inactive | WITTEN |
| ORVIN E. OLIVIER AGENCY, INC. | DB044891 | 2001-12-31 | Dissolved | Sioux Falls |
| ORVIN E. OLIVIER BALLOONS, LLC | DL004322 | 2001-12-31 | Active | SIOUX FALLS |
| ORVIS/CUSHMAN & WAKEFIELD RANCH AND RECREATIONAL PROPERTIES, LLC | FL003562 | 2007-06-22 | Inactive | COLORADO SPRINGS |
| ORWICK LAND COMPANY, L.L.C. | DA000590 | 1995-10-23 | Active | NEWELL |
| ORWICK LANDS LIMITED PARTNERSHIP, L.P. | DP000964 | 1998-12-31 | Active | — |
| ORWICK RANCH, LLP | DR000330 | 1998-12-23 | Active | NEWELL |
| ORWIGS AVIATION, LLC | DL028987 | 2012-07-31 | Dissolved | SIOUX FALLS |
| ORYX CRUDE TRADING & TRANSPORATION, INC. | FB015232 | 1992-05-04 | Inactive | OKLAHOMA CITY |
| ORYX CRUDE TRADING & TRANSPORTATION LIMITED PARTNERSHIP | FP000154 | 1992-05-04 | Inactive | DALLAS |
| ORYX ENERGY COMPANY | FB003879 | 1971-09-28 | Inactive | DALLAS |
| ORYX GAS MARKETING COMPANY | FB013144 | 1989-11-03 | Inactive | DALLAS |
| ORYX GAS TRANSMISSION COMPANY, INC. | FB012172 | 1988-06-27 | Inactive | DALLAS |
| Oryx Insurance Brokerage, Inc. | FB144070 | 2018-02-16 | Active | Binghamton |
| Oryx Oilfield Services, LLC | FL043923 | 2015-11-17 | Revoked | GRAPEVINE |
| ORYX, INC. | DB044100 | 2001-05-04 | Dissolved | TERRE HAUTE |
| OS DEVELOPMENT, INC. | DB051420 | 2006-08-07 | Dissolved | RAPID CITY |
| OS RESTAURANT SERVICES, INC. | FB024689 | 2000-12-28 | Inactive | TAMPA |
| OS RESTAURANT SERVICES, LLC | FL006244 | 2012-01-13 | Active | TAMPA |
| OS SALESCO, INC. | FB020792 | 1997-12-08 | Inactive | DOVER |
| OS TITLE AGENCY, INC. | FB028853 | 2004-08-25 | Inactive | CLEVELAND |
| OSA ENTERPRISES LIMITED PARTNERSHIP | DP002451 | 2012-12-05 | Active | SIOUX FALLS |
| OSA WILDLIFE SANCTUARY FOUNDATION, INC. | NS013224 | 2006-09-07 | Active | VERMILLION |
| OSAIC FA, INC. | FB003279 | 1969-05-07 | Active | FORT WAYNE |
| OSAIC FS, INC. | FB026822 | 2002-12-02 | Active | FORT WAYNE |
| OSAIC INSTITUTIONS, INC. | FB038850 | 2015-09-24 | Active | MERIDEN |
| OSAIC RIA, INC. | FB268497 | 2024-02-14 | Active | Scottsdale |
| OSAIC SERVICES, INC. | FB029135 | 2004-11-19 | Active | Scottsdale |
| OSAIC WEALTH, INC. | FB033611 | 2009-06-30 | Active | ELIZABETH |
| OSAIC, INC. | FB039206 | 2016-03-18 | Active | SCOTTSDALE |
| OSANDY PARTNERS, L.L.C. | DL000967 | 1996-09-18 | Inactive | SIOUX FALLS |
| OSBEN, INC. | DB016602 | 1979-04-19 | Inactive | — |
| OSBERG CONSTRUCTION COMPANY | FB015436 | 1992-08-04 | Inactive | SEATTLE |
| OSBERG, INC. | DB000939 | 1960-03-17 | Dissolved | — |
| OSBORN & MULLER TRUCKING, LLC | DL020705 | 2010-02-01 | Dissolved | DAVIS |
| OSBORN CLOTHING COMPANY | DB037835 | 1996-11-07 | Dissolved | HURON |
| Osborn Holdings, LLC | DL166160 | 2019-06-18 | Active | Winner |
| Osborn Insurance Group, LLC | FL245040 | 2023-02-23 | Active | Springfield |
| OSBORN INVESTMENTS, INC. | DB022829 | 1983-10-25 | Inactive | — |
| OSBORN LIMITED PARTNERSHIP | DP000400 | 1994-06-15 | Inactive | — |
| OSBORN'S OF BAKEN PARK, INCORPORATED | DB000325 | 1958-12-03 | Inactive | — |
| OSBORN'S OF CALIFORNIA, INC. | DB010983 | 1972-02-25 | Inactive | — |
| OSBORN'S OF HURON, INC. | DB014803 | 1977-11-10 | Inactive | — |
| OSBORN'S OF PUEBLO, INC. | DB013835 | 1976-09-28 | Inactive | — |
| OSBORN'S OF RAPID CITY, INC. | DB008449 | 1968-09-23 | Inactive | — |
| OSBORN'S OF SIOUX FALLS, INC. | DB002921 | 1962-09-27 | Inactive | — |
| OSBORN'S WESTERN MALL, INC. | DB008853 | 1968-10-30 | Inactive | — |
| Osborne Enterprise LLC | DL136732 | 2017-09-05 | Dissolved | Sioux Falls |
| OSBORNE GALACTIC CONSORTIUM, LLC | DL025996 | 2011-10-17 | Dissolved | SIOUX FALLS |
| OSBORNE PROPERTIES LIMITED PARTNERSHIP | FP000362 | 1998-10-05 | Active | BURNSVILLE |
| OSBORNE PROPERTIES LLP | FR000030 | 1997-07-21 | Inactive | — |
| Osborne Property HQ LLC | DL270786 | 2024-03-15 | Dissolved | Ipswich |
| Osborne Property Management LLC | DL246996 | 2023-03-21 | Active | Ipswich |
| OSBORNS OF SUPER CITY, ABERDEEN, INC. | DB001173 | 1960-09-01 | Inactive | — |
| OSBT SERVICES, LLC | FL043033 | 2014-10-06 | Active | HOUSTON |
| OSCAR L. BENOIT, INC. | 19400012D | 1940-08-02 | Dissolved | — |
| OSCAR LOGISTICS INC | DB331507 | 2026-06-18 | Active | SIOUX FALLS |
| Oscar Mike Adventures Inc. | DB188898 | 2020-10-06 | Dissolved | Sioux Falls |
| Oscar Nail Spa LLC | DL274845 | 2024-05-13 | Dissolved | Huron |
| OSCAR NAILS & SPA ENTERPRISE, INC. | DB057609 | 2013-03-01 | Dissolved | BROOKINGS |
| OSCAR NAILS BROOKINGS, LLC | DL035327 | 2013-10-03 | Active | Watertown |
| Oscar Nails Spa,LLC | DL289652 | 2024-12-25 | Dissolved | Huron |
| OSCAR NAILS WATERTOWN, LLC | DL038005 | 2014-03-24 | Active | WATERTOWN |
| OSCAR RENDA CONTRACTING, INC. | FB029312 | 2005-01-26 | Revoked | ROANOKE |
| OSCAR'S GOURMET COFFEE L.L.C. | DL004915 | 2002-07-16 | Dissolved | SIOUX FALLS |
| Oscar's Lawn Care LLC | DL203572 | 2021-05-25 | Active | Vermillion |
| Oscar's Machine Shop, LLC | DL049909 | 2016-09-12 | Active | CLARK |
| Oscar's Marsh LLC | DL191914 | 2020-11-25 | Dissolved | SIOUX FALLS |
| OSCAR'S MINI-STORAGE, LLC | DL020257 | 2009-11-25 | Active | SIOUX FALLS |
| OSCAR'S TRUCK RENTAL, L.L.C. | DL002553 | 1999-11-08 | Inactive | — |
| Oscar's Window Cleaning and House Maintenance, LLC | DL214402 | 2021-11-12 | Dissolved | Rapid CIty |
| OSCAR, INC. | DF030009 | 1990-11-29 | Active | Huron |
| Osceola Community Hospital, Inc. | FN239945 | 2022-12-07 | Active | Sibley |
| OSCEOLA ENERGY, LLC | DL034913 | 2013-08-27 | Dissolved | BRIDGEPORT |
| OSCEOLA FARMERS ELEVATOR | CO000121 | 1940-01-29 | Inactive | — |
| Osceola Group Marketing, LLC | FL254573 | 2023-07-13 | Active | MISSION |
| Osceola Lake Restoration | NS155657 | 2018-10-26 | Active | IROQUOIS |
| Osceola Operating, Inc. | DB059220 | 2014-07-08 | Dissolved | BRIDGEPORT |
| OSCEOLA SANITARY SEWER DISTRICT | SD000032 | 1995-11-15 | Active | — |
| Oscillia Consulting LLC | DL327264 | 2026-04-28 | Active | Central City |
| Oscillia LLC | DL283025 | 2024-09-13 | Active | CENTRAL CITY |
| OSCILLON LLC | DL028096 | 2012-05-07 | Active | Watertown |
| OSCO DRUG, INC. | FB011600 | 1987-07-28 | Inactive | BOISE |
| OSCO USA INC. | DB058105 | 2013-09-30 | Dissolved | ABERDEEN |
| OSD Care of SD, LLC | DL165925 | 2019-06-12 | Inactive | Sioux Falls |
| OSDI MIDWEST, INC. | FB025955 | 2002-02-11 | Revoked | OMAHA |
| OSE LLC | DL035152 | 2013-09-19 | Inactive | SIOUX FALLS |
| Oseguera LLC | DL244494 | 2023-02-15 | Dissolved | Aberdeen |
| OSF SOUTH DAKOTA SERVICES, LIMITED PARTNERSHIP | FP000675 | 2007-03-23 | Inactive | TAMPA |
| OSFH HOLDINGS, INC. | DB037533 | 1996-08-08 | Inactive | — |
| OSH LLC | DL032213 | 2013-04-25 | Active | RAPID CITY |
| OSH WEB SERVICES LLC | DL309190 | 2025-09-13 | Active | Bronx |
| Oshay Private Holdings I LLC | DL313808 | 2025-11-17 | Active | Rapid City |
| OSHEIM FUNERAL HOME, INC. | DB016841 | 1979-06-29 | Dissolved | — |
| Oshima, LLC | DL041913 | 2015-01-12 | Active | SIOUX FALLS |