| Cinnamon Bay Partners, LLC | DL144812 | 2018-03-05 | Active | Sioux Falls |
| Cinnamon Cattle Company LLC | DL259043 | 2023-09-19 | Active | FORT PIERRE |
| Cinnamon Properties, LLC | DL196895 | 2021-02-17 | Suspended | Ipswich |
| Cinnamon Ranch LLC | DL259049 | 2023-09-19 | Active | FORT PIERRE |
| CINNAMON RIDGE HOMEOWNERS ASSOCIATION, INC. | NS010536 | 1996-04-03 | Active | RAPID CITY |
| CINNAMON RIDGE, INC. | DB032863 | 1993-03-31 | Dissolved | — |
| CINNAMON ROLLS 4-U, INC. | DB033952 | 1994-01-20 | Dissolved | — |
| CINNAMON, LLC | DL030355 | 2012-12-07 | Dissolved | Sioux Falls |
| Cinnaroll Empire, Inc. | DB174244 | 2019-12-12 | Active | Vermillion |
| CINNRIDGE, LLC | DL018830 | 2009-04-30 | Dissolved | RAPID CITY |
| CINOR CORP. | DB022881 | 1983-11-16 | Inactive | — |
| CINOS I LLC | DL010972 | 2006-03-24 | Active | 57106 |
| CINOS II LLC | DL013259 | 2007-02-20 | Active | RAPID CITY |
| CINOS III LLC | DL015508 | 2008-01-08 | Dissolved | RAPID CITY |
| CINOS IV, LLC | DL017891 | 2008-12-15 | Active | RAPID CITY |
| CINOS LAND COMPANY LLC | DL010973 | 2006-03-24 | Active | RAPID CITY |
| CINOS V LLC | DL132905 | 2017-04-26 | Active | RAPID CITY |
| CINT USA, INC. | FB304333 | 2025-07-10 | Active | NEW ORLEANS |
| CINT USA, INC. | FB266309 | 2024-01-12 | Revoked | NEW ORLEANS |
| CINTAS CORPORATION NO. 2 | FB031711 | 2007-06-01 | Active | MASON |
| CINTEX WIRELESS LLC | FL198992 | 2021-03-19 | Active | Houston |
| CINTURA LENDING, LLC | DL030578 | 2012-12-21 | Dissolved | MADISON |
| CIO, LLC | DL009477 | 2005-07-01 | Inactive | PIERRE |
| Ciorcal Designs, LLC | DL178301 | 2020-03-04 | Dissolved | Sauk Centre |
| CIOUX LLC | DL230696 | 2022-07-18 | Active | SIOUX FALLS |
| CIOUX SIOUXFALLS LLC | DL230722 | 2022-07-18 | Active | SIOUX FALLS |
| CIP CONSULTING INC | DB183506 | 2020-06-23 | Dissolved | Box Elder |
| CIP PROPERTIES, LLC | FL003836 | 2007-12-06 | Revoked | MOORCROFT |
| CIP, INC. | DB032282 | 1992-11-02 | Dissolved | GETTYSBURG |
| CIPCO DECOMMISSIONING TRUST, LLC | DL027935 | 2012-04-20 | Active | SIOUX FALLS |
| Cipher Intelligence, LLC | DL246807 | 2023-03-18 | Active | Rapid City |
| CIPHER PHARMACEUTICALS US LLC | FL284880 | 2024-10-10 | Active | Carmel |
| Cipher Phi LLC | DL259787 | 2023-09-29 | Active | Watertown |
| CIPHERED HORIZONS SOFTWARE STUDIO, LLC | DL022159 | 2010-08-16 | Dissolved | SIOUX FALLS |
| CIRCA DESIGN CO. | DB036725 | 1996-01-16 | Dissolved | — |
| CIRCA DESIGN COMPANY, L.L.C. | DL017969 | 2008-12-24 | Active | SIOUX FALLS |
| CIRCADIAN RISK INC. | FB185226 | 2020-07-29 | Revoked | ANN ARBOR |
| Circadian Risk Inc. | FB309198 | 2025-09-13 | Active | ANN ARBOR |
| CIRCASSIA PHARMACEUTICALS INC. | FB149429 | 2018-06-08 | Inactive | MORRISVILLE |
| CIRCHARO ACQUISITION CORP. | FB032170 | 2007-11-15 | Inactive | SALEM |
| Circharo Acquisition LLC | FL043429 | 2015-04-24 | Revoked | MANCHESTER |
| CIRCLE (10) CAMPGROUND, INC. | DB014597 | 1977-08-17 | Inactive | — |
| CIRCLE 10 CAMPGROUND, L.L.C. | DL007915 | 2004-09-15 | Inactive | — |
| CIRCLE 10 RANCH, INCORPORATED | DB001176 | 1960-09-02 | Dissolved | SIOUX FALLS |
| Circle 13 LLC | DL142521 | 2018-01-12 | Active | Vermillion |
| CIRCLE 4 RANCH, INC. | DF000076 | 1992-03-17 | Active | WAUBAY |
| Circle 6, LLC | DL129063 | 2016-12-28 | Active | Winner |
| CIRCLE 9 LLC | DL013382 | 2007-03-08 | Dissolved | SPEARFISH |
| Circle A Cycle, LLC | DL162824 | 2019-04-05 | Active | Rapid City |
| CIRCLE A FARMS (BUSINESS TRUST) | DB030486 | 1991-03-29 | Inactive | — |
| CIRCLE A MUD COMPANY | FB009737 | 1984-08-16 | Inactive | DENVER |
| Circle Arrow Ranch, LLC | DL140849 | 2017-12-11 | Active | WILLOW LAKE |
| CIRCLE B CHUCKWAGON, INC. | DB056494 | 2011-12-09 | Dissolved | RAPID CITY |
| CIRCLE B COWBOYS, INC. | DB056495 | 2011-12-09 | Dissolved | RAPID CITY |
| CIRCLE B ENTERPRISES, INC. | DB037145 | 1996-04-29 | Inactive | — |
| CIRCLE B ENTERPRISES, INC. | DB012812 | 1975-03-20 | Dissolved | — |
| CIRCLE B FARMS, INC. | DB021655 | 1982-07-12 | Inactive | BROOKINGS |
| CIRCLE B HONEY FARMS, INC. | DB056409 | 2011-10-21 | Active | Hazel |
| Circle B Investments LLC | DL197502 | 2021-02-26 | Active | Watertown |
| CIRCLE B, LLC | DL021788 | 2010-06-24 | Dissolved | MITCHELL |
| Circle Bar J LLC | DL196541 | 2021-02-11 | Dissolved | Humboldt |
| CIRCLE BAR RANCH, INC. | DF045999 | 2002-10-21 | Dissolved | MARVIN |
| Circle C Bar Feeds LLC | DL218268 | 2022-01-11 | Active | Saint Onge |
| Circle C Bar Performance Horses LLC | DL196485 | 2021-02-10 | Active | Saint Onge |
| Circle C Construction, LLC | DL043613 | 2015-05-08 | Active | Spearfish |
| CIRCLE C HORSEMANSHIP LLC | DL240021 | 2022-12-08 | Active | WAGNER |
| Circle Clinical, LLC | DL244067 | 2023-02-09 | Active | Sioux Falls |
| Circle CPA Corporation | DB175364 | 2020-01-06 | Dissolved | Watertown |
| CIRCLE D CONSTRUCTION LLC | FL042569 | 2014-04-03 | Revoked | NAMPA |
| Circle D Farms LLC | DL162265 | 2019-03-26 | Dissolved | HURON |
| CIRCLE DIAMOND CORPORATION | DB024047 | 1985-01-02 | Active | BROOKINGS |
| Circle E Beef, LLC | DL258118 | 2023-09-06 | Active | Murdo |
| Circle E Drive In L.L.C. | DL224555 | 2022-04-08 | Active | Murdo |
| Circle E Family Farm, LLC | DL258114 | 2023-09-06 | Active | Murdo |
| CIRCLE E, LLC | DL003879 | 2001-06-25 | Active | Highlands Ranch |
| Circle F Enterprises LLC | DL334202 | 2026-07-21 | Active | Sioux Falls |
| Circle F Farmhouse, LLC | DL249617 | 2023-04-27 | Active | TRIPP |
| Circle Five Ranch, LLC | DL240027 | 2022-12-08 | Active | Rapid City |
| Circle Five Ranch, LLC | DA240027 | 2022-12-08 | Active | Rapid City |
| CIRCLE G, L.L.P. | DR000238 | 1998-01-16 | Dissolved | — |
| Circle H Cleaning Service LLC | DL129407 | 2017-01-05 | Dissolved | RAPID CITY |
| Circle H Consulting, LLC | DL214460 | 2021-11-15 | Dissolved | Hudson |
| Circle H Holdings, LLLP | DP264926 | 2023-12-21 | Active | SIOUX FALLS |
| CIRCLE H LIVESTOCK EXPRESS L.L.C. | DL015316 | 2007-12-19 | Inactive | — |
| CIRCLE H LLC | DA012961 | 2007-01-12 | Inactive | Menno |
| Circle H Motel, LLC | DL048128 | 2016-04-21 | Revoked | LAKE ANDES |
| Circle H Services, LLC | DL291196 | 2025-01-16 | Active | Canton |
| CIRCLE H TRAVEL, LLC | DL013888 | 2007-05-11 | Dissolved | WAGNER |
| CIRCLE INDUSTRIES, INC. | DB026373 | 1987-05-12 | Inactive | — |
| CIRCLE INTERNET FINANCIAL, INC. | FB037949 | 2014-07-07 | Inactive | Boston |
| CIRCLE INTERNET FINANCIAL, LLC | FL196860 | 2021-02-17 | Active | Boston |
| CIRCLE J RENTALS, LLC | DL026933 | 2012-01-19 | Inactive | LAKE ANDES |
| CIRCLE J. FARMS INC. | DF019583 | 1980-03-24 | Active | Sioux Falls |
| Circle K Bins and Equipment LLC | DL205446 | 2021-06-28 | Active | LeMars |
| Circle K Campground, LLC | DL164411 | 2019-05-09 | Dissolved | White Lake |
| Circle K Farrier Service, LLC | DL050389 | 2016-10-21 | Active | Fairburn |
| CIRCLE K OF ARKANSAS INC. | FB035491 | 2011-10-19 | Inactive | ROSEBUD |
| Circle K Properties, LLC | DL050388 | 2016-10-21 | Active | Fairburn |
| CIRCLE K RANCH, INC. | DF013316 | 1976-01-05 | Dissolved | Mitchell |
| Circle K Stores Inc. | FB179593 | 2020-04-06 | Active | Tempe |
| CIRCLE K STORES INC. | FB026003 | 2002-02-28 | Inactive | EL PASO |
| Circle L Farms, Inc. | DB058245 | 2013-11-04 | Active | HAYTI |
| CIRCLE L. RANCH, INC. | DF016728 | 1979-05-23 | Active | KIMBALL |
| CIRCLE LAZY T LODGE, LLC | DL022606 | 2010-10-12 | Inactive | PUKWANA |
| Circle Logix LLC | DL049403 | 2016-07-28 | Dissolved | MAZOMANIE |
| Circle M Ag LLC | DL233643 | 2022-08-29 | Dissolved | Clark |
| CIRCLE MEDIA INC. | FN011181 | 2010-04-05 | Inactive | THORNWOOD |
| Circle Minerals LLC | DL241219 | 2022-12-30 | Inactive | Watertown |
| CIRCLE OF CARE, INC. | NS277836 | 2024-06-27 | Dissolved | Austin |
| Circle of Care, L.L.C. | DL285402 | 2024-10-18 | Dissolved | AUSTIN |
| Circle Of Champions LLC | DL317893 | 2026-01-13 | Active | Freeman |
| CIRCLE OF COURAGE - STARR COMMONWEALTH, LTD. | DB050808 | 2006-03-08 | Dissolved | LENNOX |
| CIRCLE OF COURAGE, INC. | DB040941 | 1999-01-07 | Dissolved | LENNOX |
| Circle Of Excellence, Inc. | DB289064 | 2024-12-16 | Dissolved | Watertown |
| CIRCLE OF FRIENDS, INC. | DB050910 | 2006-03-30 | Dissolved | HILL CITY |
| Circle of Healing | NS315454 | 2025-12-10 | Active | St. Francis |
| Circle of Life Consulting Incorporated | DB310535 | 2025-09-30 | Active | SIOUX FALLS |
| CIRCLE OF LIFE KOLA HOME CARE, INC. | DB056115 | 2011-05-02 | Dissolved | MINNEAPOLIS |
| Circle of Life Kola Home Care, LLC | FL169483 | 2019-08-29 | Active | Minneapolis |
| CIRCLE OF SISTERHOOD FOUNDATION, INC. | FN030436 | 2015-04-15 | Active | Belmont |
| CIRCLE P FARMS, INC. | DF023725 | 1984-09-10 | Inactive | — |
| CIRCLE P RANCH TRUCKING, LLC | DL037140 | 2014-01-23 | Active | WOLSEY |
| CIRCLE PINES ROAD DISTRICT | TD200853 | 2021-04-14 | Active | — |
| CIRCLE POINT VENTURES LLC | DL130459 | 2017-02-08 | Active | SIOUX FALLS |
| Circle Prairie LLC | DL329997 | 2026-06-01 | Active | Garretson |
| Circle R Cattle Company, LLC | DL160691 | 2019-02-21 | Active | Belleview |
| Circle R Ranch, LLLP | DP160967 | 2019-02-27 | Active | RAPID CITY |
| CIRCLE R SEED, INC. | DB031875 | 1992-06-24 | Inactive | — |
| Circle R Steel, LLC | DL266327 | 2024-01-12 | Active | Watertown |
| CIRCLE R, LLC | DL009240 | 2005-05-19 | Active | Pierre |
| CIRCLE REFLECTION 'J' RANCH, L.L.C. | DL013266 | 2007-02-21 | Suspended | BATH |
| Circle Resources, LLC | DL152939 | 2018-08-24 | Dissolved | Gregory |
| CIRCLE S CARRIERS, INC. | DB047656 | 2003-12-22 | Dissolved | CANTON |
| CIRCLE S CONSULTING, L.L.C. | DL025989 | 2011-10-17 | Active | Owasso |
| CIRCLE S RANCH, INC. | DF030360 | 1991-03-05 | Active | ISABEL |
| CIRCLE SEVEN, INC. | 19660280D | 1966-03-18 | Canceled | — |
| CIRCLE SIX RANCH, INC. | DB031861 | 1992-06-19 | Inactive | — |
| Circle Space Services | NS154437 | 2018-09-26 | Dissolved | Gregory |
| CIRCLE STUDIO, LLC | DL012470 | 2006-11-09 | Inactive | — |
| CIRCLE T RANCH, LLC | DA137708 | 2017-09-29 | Inactive | PARKSTON |
| CIRCLE T, L.L.C. | DL006418 | 2003-10-20 | Inactive | MADISON |
| Circle View Guest Ranch B & B, LLC | DL040842 | 2014-10-27 | Active | SCENIC |
| CIRCLE W LAND & CATTLE L.L.C. | DL001051 | 1996-12-09 | Active | MOUNT VERNON |
| Circle WJ Ranch, Inc. | DB060437 | 2015-11-02 | Active | MILBANK |
| Circle Y Furniture, LLC | DL333896 | 2026-07-16 | Active | Burke |
| Circle Z Enterprises LLC | DL285507 | 2024-10-22 | Active | Sioux Falls |
| CIRCLE Z TIMBER AND TRAIL LLC | DL287604 | 2024-11-21 | Active | CUSTER |
| CIRCLE, INC. | DB022813 | 1983-10-17 | Inactive | — |
| CIRCLE-W CREDIT UNION | 19570018D | 1957-02-20 | Merged | — |
| CIRCLEBACK LENDING, INC. | FB038971 | 2015-11-13 | Revoked | BOCA RATON |
| CIRCLING SKIES, L.L.C. | DL019652 | 2009-08-31 | Dissolved | STILLWATER |
| Circling Thunder LLC | DL196298 | 2021-02-08 | Active | Sacramento |
| Circuit EV Solutions Inc | FB310969 | 2025-10-07 | Active | Sioux Falls |
| CIRCUIT FITNESS, L.L.C. | DL048285 | 2016-05-02 | Dissolved | BRANDON |
| Circuit Labs LLC | DL326459 | 2026-04-20 | Active | Clark |
| Circuit Martial Arts L.L.C. | DL151994 | 2018-08-02 | Active | Brandon |
| CIRCUITOPIA LLC | DL016097 | 2008-03-27 | Inactive | — |
| Circulation Observation Library LLC | DL310195 | 2025-09-26 | Active | Watertown |
| CIRCULATION, INC. | FB174628 | 2019-12-19 | Active | DENVER |
| CIRCUS LOUNGE, INC. | DB023082 | 1984-01-20 | Inactive | ABERDEEN |
| Circus Wing Sauce, LLC | DL038112 | 2014-03-27 | Active | ABERDEEN |
| CIRCUS WORLD TOY STORES, INC. | FB011004 | 1986-08-01 | Revoked | LANSING |
| CIRESI & ASSOCIATES, INC. | FB011156 | 1986-11-03 | Revoked | NEWBURY |
| CIRI Development Corporation | FB315840 | 2025-12-16 | Active | ANCHORAGE |
| Cirik Brands, LLC | DL241314 | 2023-01-01 | Active | Elkton |
| Cirka Performance Arts LLC | DL214897 | 2021-11-20 | Inactive | Sioux Falls |
| Cirque Dakota LLC | DL046623 | 2016-01-11 | Dissolved | SIOUX FALLS |
| Cirrata Partners Insurance Agency LLC | FL228135 | 2022-06-02 | Active | New York |
| CIRRUS COMMERCIAL REALTY SERVICES, INC. | DB051496 | 2006-09-01 | Dissolved | Sioux Falls |
| CIRRUS CONCEPT CONSULTING, LLC | FL236523 | 2022-10-11 | Active | Dayton |
| Cirrus Consulting LLC | DL202418 | 2021-07-01 | Dissolved | Austin |
| CIRRUS FLIGHT SERVICES, LLC | DL143214 | 2018-01-29 | Dissolved | Sioux Falls |
| CIRRUS HOLDINGS USA, LLC | FL134422 | 2017-06-21 | Revoked | CHARLOTTE |
| CIRRUS WELLNESS, LLC | DL010302 | 2005-12-12 | Active | RAPID CITY |
| CirrusTek LLC | DL220910 | 2022-02-17 | Dissolved | Austin |
| Cirtec Medical Corp. | FB227538 | 2022-05-23 | Active | Brooklyn Park |
| CIS COMPANY INTERNATIONAL SECURITY, INC. | DB039642 | 1998-02-05 | Inactive | — |
| CIS Consulting, LLC | DL224642 | 2022-04-11 | Suspended | Box Elder |
| CIS ENTERPRISES, LLC | DL027517 | 2012-03-13 | Dissolved | ABERDEEN |
| CIS FINANCIAL SERVICES, INC. | FB026336 | 2002-06-11 | Inactive | HAMILTON |
| CIS FINANCIAL SERVICES, INC. | FB036563 | 2013-02-13 | Inactive | HAMILTON |
| CIS Group, LLC | FL209989 | 2021-09-13 | Active | Southlake |
| CIS GROUP, LLC | FL003596 | 2007-07-05 | Revoked | Southlake |
| CIS TECHNICAL SERVICES, INC. | FB026290 | 2002-05-28 | Revoked | CLEVELAND |
| CISA CORPORATE SERVICES, LLC | DL154422 | 2018-09-26 | Active | SIOUX FALLS |
| CISA HOLDINGS, LLC | DL141516 | 2017-12-26 | Active | SIOUX FALLS |
| CISA TRUST COMPANY (SOUTH DAKOTA), LLC | DL047438 | 2016-03-08 | Active | SIOUX FALLS |
| Cisar Contracting, LLC | DL237226 | 2022-10-23 | Active | ABERDEEN |
| CISCO CORPORATION | DB039144 | 1997-10-15 | Active | CANISTOTA |
| CISCO FINANCIAL GROUP L.L.C. | DL002664 | 1999-12-28 | Inactive | — |
| CISCO SYSTEMS CAPITAL CORPORATION | FB021790 | 1998-09-17 | Active | SAN JOSE |
| CISCO SYSTEMS, INC. | FB030043 | 2005-10-12 | Active | SAN JOSE |
| CISCO SYSTEMS, INC. | FB027702 | 2003-09-16 | Revoked | SAN JOSE |
| CISD, LLC | FL002811 | 2006-02-17 | Revoked | PLEASANT HILL |
| CISEC, INC. | NS013192 | 2006-08-04 | Dissolved | — |
| Cisneros Drywall LLC | DL275582 | 2024-05-23 | Active | Sioux Falls |
| CISOX, LLC | DL288632 | 2024-12-10 | Active | Sioux Falls |
| CIT ACCEPTANCE LLC | FL002862 | 2006-03-15 | Inactive | SALT LAKE CITY |
| CIT BANK INC. | FB035552 | 2011-11-16 | Inactive | SALT LAKE CITY |
| CIT BUS CORPORATION | FB020867 | 1997-12-30 | Inactive | LIVINGSTON |