| Clarity Holdings, LLC | DL195809 | 2021-01-29 | Active | HOT SPRINGS |
| CLARITY IMAGING TECHNOLOGIES, INC. | FB031539 | 2007-04-03 | Inactive | SPRINGFIELD |
| CLARITY IMAGING TECHNOLOGIES, INC. | FB029211 | 2004-12-13 | Revoked | SPRINGFIELD |
| Clarity Law, Prof. L.L.C. | DL132784 | 2017-04-22 | Dissolved | RAPID CITY |
| Clarity Property Group, LLC | DL234173 | 2022-09-07 | Dissolved | SIOUX FALLS |
| CLARITY SOLUTIONS, INCORPORATED | DB044874 | 2001-12-28 | Active | Rapid City |
| CLARITY TELECOM, LLC | FL042797 | 2014-06-19 | Active | Denver |
| Clarity Wellness, LLC | DL168596 | 2019-08-09 | Active | SPEARFISH |
| Clarity Works EDU LLC | DL333620 | 2026-07-15 | Active | Sioux Falls |
| CLARITY, INC. | DB045593 | 2002-06-19 | Inactive | — |
| ClarityCoat LLC | DL169449 | 2019-08-28 | Dissolved | Sioux Falls |
| CLARIVUE HEALTH, INC. | FB314461 | 2025-11-25 | Active | SPEARFISH |
| Clark & Apex, LLC | DL202015 | 2021-04-29 | Active | Deadwood |
| CLARK & ASSOCIATES LAND BROKERS, LLC | FL002926 | 2006-05-09 | Active | LUSK |
| Clark & Clemmons Drywall LLC | DL129663 | 2017-01-16 | Dissolved | Rapid City |
| CLARK & ENERSEN, INC. | FB038343 | 2015-01-20 | Active | LINCOLN |
| CLARK & HOPFINGER, LTD. | DB049252 | 2005-01-31 | Dissolved | ABERDEEN |
| CLARK & PFISTER LAND COMPANY, LLC | FL001471 | 2002-12-23 | Inactive | LUSK |
| CLARK & WAMBERG, LLC | FL003488 | 2007-05-16 | Inactive | HOFFMAN ESTATES |
| CLARK 2 RNG LLC | FL216376 | 2021-12-13 | Active | Folsom |
| Clark 2023 PPLI, LLC | DL261745 | 2023-11-01 | Active | Pierre |
| CLARK A. AUDISS AGENCY, INC. | DB042643 | 2000-04-03 | Dissolved | WINNER |
| CLARK ABSTRACT & TITLE COMPANY | DB003236 | 1903-03-11 | Active | CLARK |
| CLARK ALUMNI ASSOCIATION, INC. | NS006362 | 1977-10-28 | Active | CLARK |
| CLARK AND HOPFINGER, LTD. | DB019278 | 1979-12-10 | Dissolved | — |
| CLARK AND SONS DRYWALL LLC | DL024771 | 2011-05-24 | Dissolved | RAPID CITY |
| Clark Area Baseball and Softball Association, Inc. | NS148796 | 2018-05-25 | Active | CLARK |
| CLARK AREA BASEBALL CLUB | NS013016 | 2006-01-05 | Inactive | — |
| CLARK AREA CHAMBER OF COMMERCE | NS002191 | 1943-02-04 | Active | CLARK |
| CLARK AREA NEW HORIZONS, L.L.C. | DL010323 | 2005-12-14 | Dissolved | — |
| Clark Area Rec Center, Inc. | NS221911 | 2022-03-03 | Active | Clark |
| CLARK ASSEMBLY OF GOD | CH003139 | 1983-09-19 | Active | CLARK |
| CLARK BLAKE PRODUCTION LLC | DL048983 | 2016-06-20 | Active | Belle Fourche |
| CLARK BONDING COMPANY, INC. | FB018298 | 1995-10-06 | Revoked | CHARLOTTE |
| Clark Boulevard, LLC | DL285031 | 2024-10-14 | Active | Concord |
| CLARK BROS. TRANSFER, INC. | FB012906 | 1989-08-10 | Inactive | NORFOLK |
| CLARK BROS., INC. | FB143407 | 2018-02-01 | Active | Fresno |
| CLARK BROTHERS CONSTRUCTION, INC. | DB048664 | 2004-08-25 | Active | Piedmont |
| Clark Brothers, LLC | DL300255 | 2025-05-14 | Active | Howard |
| Clark Care and Rehabilitation Center, LLC | DL128416 | 2016-12-05 | Dissolved | WOOD RIDGE |
| CLARK CENTER CEMETERIES, INC. | NS009530 | 1991-12-16 | Active | CLARK |
| CLARK CENTER EVANGELICAL LUTHERAN CHURCH OF CLARK | CH000833 | 1956-12-20 | Inactive | — |
| Clark City SD Property Holdings, LLC | DL163494 | 2019-04-22 | Active | Skokie |
| Clark City SD Skilled Nursing Facility, LLC | DL163387 | 2019-04-18 | Active | SKOKIE |
| CLARK COLONY SCHOOL | NS007562 | 1983-04-18 | Active | RAYMOND |
| Clark Commercial Industries LLC | DL217478 | 2021-12-30 | Active | Renner |
| Clark Commercial LLC | DL220072 | 2022-02-07 | Active | Renner |
| Clark Community Aquatic Center | NS280626 | 2024-08-08 | Active | CLARK |
| CLARK COMMUNITY OIL COMPANY | CO000173 | 1929-04-12 | Active | CLARK |
| CLARK COMMUNITY PHARMACY, INC. | DB046536 | 2003-03-03 | Dissolved | WATERTOWN |
| Clark Company | DB004743 | 1954-12-17 | Dissolved | ABERDEEN |
| Clark Construction Group, LLC | FL212108 | 2021-10-12 | Active | McLean |
| Clark Construction LLC | DL133048 | 2017-05-02 | Suspended | Sioux Falls |
| CLARK CONSULTING, INC. | FB022896 | 1999-08-26 | Inactive | DALLAS |
| CLARK CONSULTING, LLC | FL005151 | 2010-05-24 | Active | GREENWICH |
| CLARK COUNTY CARRIERS, LLC | DL006847 | 2004-01-22 | Inactive | — |
| CLARK COUNTY CATTLE COMPANY | DF008648 | 1968-10-03 | Inactive | — |
| CLARK COUNTY CHAPTER OF THE IZAAK WALTON LEAGUE OF AMERICA | NS001819 | 1949-08-01 | Inactive | — |
| CLARK COUNTY COLLECTION SERVICE, LLC | FL002275 | 2005-02-16 | Active | LAS VEGAS |
| CLARK COUNTY CONSERVATION DISTRICT | DM009339 | 1948-01-02 | Active | CLARK |
| Clark County Courier LLC | DL241583 | 2023-01-05 | Active | Clark |
| CLARK COUNTY FARMERS ELEVATOR COMPANY | CO000212 | 1904-05-08 | Inactive | CLARK |
| Clark County Finishers, LLC | DL146691 | 2018-04-10 | Active | Clark |
| Clark County Fireman Association, Inc. | NS205576 | 2021-06-28 | Dissolved | Garden City |
| Clark County Friends of Youth Development | NS226152 | 2022-05-02 | Dissolved | Clark |
| CLARK COUNTY HISTORICAL SOCIETY, INC. | NS006367 | 1977-11-04 | Active | CLARK |
| CLARK COUNTY HORSEMAN'S CLUB, INC. | NS012932 | 2005-09-07 | Active | HENRY |
| CLARK COUNTY MUTUAL FIRE AND LIGHTNING INSURANCE COMPANY | IN000016 | 1934-11-13 | Active | — |
| CLARK COUNTY PHEASANT CLUB, LLC | DL014416 | 2007-08-03 | Inactive | VIENNA |
| CLARK COUNTY PRO PHEASANTS, INC. | NS008231 | 1986-01-24 | Active | Clark |
| CLARK COUNTY PUBLISHING, INC. | DB047718 | 2003-12-31 | Dissolved | CLARK |
| CLARK COUNTY RIDERS | NS008544 | 1987-05-27 | Active | WEBSTER |
| CLARK COUNTY TRANSPORTATION SERVICES, LLC | DL012271 | 2006-10-11 | Inactive | — |
| CLARK CREDIT CORPORATION | FB004666 | 1974-05-06 | Inactive | DALLAS |
| CLARK DESIGN/BUILD, LLC | FL000963 | 2001-05-15 | Inactive | BETHESDA |
| CLARK DEVELOPMENT CORPORATION | NS004799 | 1970-08-17 | Dissolved | CLARK |
| CLARK DEVELOPMENTS, LLC | DL160297 | 2019-02-12 | Active | Mitchell |
| CLARK DREW CONSTRUCTION INC. | DB038584 | 1997-05-16 | Active | BROOKINGS |
| CLARK DRIVE INN, INC. | DB042763 | 2000-05-04 | Dissolved | CLARK |
| CLARK EIDE, INC. | DB044394 | 2001-08-02 | Inactive | — |
| CLARK EMS ASSOCIATION | NS333173 | 2026-07-09 | Active | Clark |
| CLARK ENGINEERING CORPORATION | FB014071 | 1991-01-09 | Inactive | Plymouth |
| CLARK ENGINEERING OF SOUTH DAKOTA, LLC | DL017400 | 2008-09-23 | Inactive | SIOUX FALLS |
| CLARK ENTERPRISES, INC. | DB056979 | 2012-06-21 | Dissolved | EDGEMONT |
| CLARK EXCAVATING, LLC | FL005231 | 2010-07-12 | Revoked | BRAINERD |
| CLARK FACILITY SERVICES, LLC | FL000928 | 2001-04-16 | Inactive | BETHESDA |
| Clark Family Chiropractic, LLC | DL049646 | 2016-08-19 | Active | Clark |
| Clark Family Dental Center, LLC | DL141108 | 2017-12-15 | Active | Clark |
| Clark Family Enterprise, LLC | DL049272 | 2016-07-15 | Active | RATHDRUM |
| Clark Family Farms LLC | DL291320 | 2025-01-17 | Active | Sioux Falls |
| Clark Family Investments LLC | DL287506 | 2024-11-20 | Active | Murray |
| Clark Family Transport LLC | DL283125 | 2024-09-16 | Active | Sioux Falls |
| CLARK FARM AND RANCH SUPPLY, INC. | DB025672 | 1986-09-03 | Inactive | — |
| CLARK FARM MUTUAL INSURANCE COMPANY | IN000017 | 1975-02-13 | Dissolved | CLARK |
| Clark Farms, LLC | DL178457 | 2020-03-09 | Active | Alcester |
| Clark Farrier Company LLC | DL260692 | 2023-10-13 | Active | Meadow |
| CLARK FLIGHT SCHOOL, LLC | DL022162 | 2010-08-16 | Inactive | GARDEN CITY |
| CLARK FORESTRY, INC. | DB039140 | 1997-10-10 | Dissolved | CUSTER |
| CLARK FROZEN FOOD CENTER, INC. | DB011642 | 1973-04-27 | Dissolved | — |
| CLARK GARAGE CO., INC. | 19480012D | 1948-07-30 | Active | — |
| Clark Gas LLC | DL217675 | 2022-01-03 | Dissolved | Hot Springs |
| CLARK GEO-DRILLING, LLC | DL028147 | 2012-05-10 | Active | RAYMOND |
| CLARK GLOBAL TECHNOLOGIES, L.L.C. | FL000849 | 2001-01-08 | Revoked | BETHESDA |
| CLARK GOLF CLUB | NS001774 | 1967-12-18 | Dissolved | CLARK |
| Clark Handyman Services, LLC | DL172926 | 2019-11-13 | Active | Sioux falls |
| Clark Hardware, Inc. | DB202871 | 2021-05-13 | Active | Webster |
| CLARK HARDWARE, LLC | DL021590 | 2010-05-26 | Dissolved | CLARK |
| CLARK HIGH SCHOOL CLAY TARGET LEAGUE, INC. | NS178610 | 2020-03-11 | Active | — |
| Clark Holdings, LLC | DL153477 | 2018-09-05 | Active | SIOUX FALLS |
| CLARK HOMETOWN VARIETY, INC. | DB053537 | 2008-04-24 | Dissolved | CLARK |
| CLARK HOUSING & REDEVELOPMENT COMMISSION | DM009674 | 2008-01-08 | Active | CLARK |
| CLARK HUTTERIAN BRETHREN | NS004211 | 1955-06-22 | Inactive | — |
| CLARK HUTTERIAN BRETHREN, INC. | NS007079 | 1981-01-23 | Active | RAYMOND |
| CLARK INDUSTRIAL DEVELOPMENT CORPORATION | NS005919 | 1976-01-05 | Active | CLARK |
| CLARK INSURANCE | 19310006D | 1931-08-12 | Active | — |
| CLARK INSURANCE AGENCY, INC. | DB030078 | 1990-12-24 | Dissolved | CLARK |
| CLARK INSURANCE INC. | FB206832 | 2021-07-20 | Inactive | Portland |
| Clark Investments LLC | DL260697 | 2023-10-13 | Active | Meadow |
| CLARK IRRIGATION CO. | FB006056 | 1977-09-27 | Revoked | APPLETON |
| CLARK ISLAND BAPTIST CHURCH | 19670001N | 1967-02-22 | Active | — |
| Clark Land Services, Inc. | FB039160 | 2016-02-29 | Inactive | PUEBLO WEST |
| Clark Land Services, LLC | FL314106 | 2025-11-19 | Active | Paso Robles |
| CLARK LAND SERVICES, LLC | FL264584 | 2023-12-14 | Revoked | PASO ROBLES |
| CLARK LANE ROAD DISTRICT | DM009311 | 1990-04-23 | Active | — |
| Clark Lanes L.L.C. | DL292706 | 2025-02-06 | Active | Clark |
| Clark Law, PLLC | DL186541 | 2020-08-24 | Inactive | SIOUX FALLS |
| Clark Law, PLLC | DL273654 | 2024-04-25 | Inactive | Sioux Falls |
| CLARK LIVESTOCK, INC. | DB050710 | 2006-02-14 | Dissolved | CLARK |
| CLARK LODGE NO. 42, A.F. & A.M. | NS001370 | 1954-11-29 | Inactive | — |
| CLARK LUMBER COMPANY, INC. | 19520011D | 1952-02-08 | Active | — |
| CLARK MATERIAL HANDLING COMPANY | FB019803 | 1997-02-10 | Revoked | LEXINGTON |
| CLARK MATERIAL HANDLING COMPANY | FB027269 | 2003-04-29 | Active | FLOWER MOUND |
| CLARK MEDICAL CENTER P.A. | DB010664 | 1971-07-28 | Inactive | — |
| CLARK NUTRITION, INC. | DB033484 | 1993-10-01 | Inactive | — |
| CLARK PAVING LLC | FL001339 | 2002-07-22 | Revoked | TEMPE |
| CLARK PAVING LLC | DL024322 | 2011-04-08 | Active | LETCHER |
| CLARK POWERSPORTS AND SMALL ENGINE REPAIR, LLC | DL187045 | 2020-09-01 | Active | ONIDA |
| CLARK PRINTING, INC. | DB015072 | 1978-02-23 | Dissolved | — |
| CLARK PRINTING, LLC | DL015456 | 2007-12-31 | Active | SPEARFISH |
| CLARK PRODUCTS COMPANY | DT000033 | 2005-07-01 | Active | — |
| Clark Properties LLC | DL182403 | 2020-06-02 | Dissolved | Sioux Falls |
| Clark Properties LLC | DL304653 | 2025-07-15 | Active | Sioux Falls |
| CLARK PROPERTIES, LLC | DL011826 | 2006-08-01 | Dissolved | Black Hawk |
| CLARK QUALITY MEATS, LLC | DL005231 | 2002-11-08 | Inactive | — |
| CLARK RANCH & PREDATOR CONTROL, LLC | DL243266 | 2023-01-30 | Active | VEBLEN |
| Clark Ranch, LLC | DL140226 | 2018-01-01 | Active | Morristown |
| CLARK REALTY AND ASSOCIATES LLC | DL018945 | 2009-05-19 | Active | PIEDMONT |
| CLARK REDER ENGINEERING, INC. | FB036833 | 2013-06-17 | Active | West Chester |
| CLARK RENTAL SYSTEM, INC. | FB007168 | 1980-08-06 | Inactive | DALLAS |
| CLARK RESEARCH, LLC | DL014360 | 2007-07-27 | Inactive | SIOUX FALLS |
| CLARK RINGSAKER, L.L.C. | DL018899 | 2009-05-12 | Dissolved | WATERTOWN |
| CLARK RNG LLC | FL216374 | 2021-12-13 | Active | Folsom |
| Clark Rotary Club | NS049697 | 2015-07-08 | Active | Clark |
| CLARK RURAL WATER SYSTEM, INC. | NS006434 | 1978-03-07 | Active | CLARK |
| Clark RV Tank Cleaning LLC | DL230006 | 2022-07-05 | Active | Watertown |
| CLARK SALES, INC. | DB040640 | 1998-10-26 | Inactive | CLARK |
| CLARK SCHAFF AIRPORT TEAM, LLC | DL017704 | 2008-11-13 | Inactive | SIOUX FALLS |
| Clark SD TNRR | NS261199 | 2023-10-23 | Active | clark |
| CLARK SECURITIES, INC. | FB022515 | 1999-05-10 | Revoked | GREENSBORO |
| Clark Services LLC | DL227744 | 2022-05-25 | Dissolved | Beulah |
| CLARK SIOUX FALLS, L.L.C. | FL001039 | 2001-08-27 | Revoked | NORFOLK |
| Clark Storage, LLC | DL302738 | 2025-06-18 | Active | Clark |
| CLARK TAYLORMADE STRUCTURES, INC. | DB022336 | 1983-04-25 | Dissolved | — |
| Clark Trucking LLC | DL272971 | 2024-04-16 | Active | Aurora |
| CLARK UNITED FUND, INC. | NS004652 | 1969-08-19 | Inactive | — |
| Clark Veterinary Service, LLC | DL041740 | 2014-12-29 | Dissolved | CLARK |
| Clark Volunteer Fire Department | NS329660 | 2026-05-26 | Active | Clark |
| CLARK W. LIKNESS, P.C. | DB044283 | 2001-07-02 | Dissolved | WATERTOWN |
| CLARK WIND ENERGY, LLC | FL006148 | 2012-02-21 | Revoked | CLARK |
| Clark's BBQ, LLC | DL039580 | 2014-07-14 | Dissolved | VERMILLION |
| Clark's Custom Coatings LLC | DL193267 | 2020-12-22 | Active | Sioux Falls |
| CLARK'S FIELD SERVICE, LLC | DL026994 | 2012-01-24 | Dissolved | BELLE FOURCHE |
| CLARK'S HEATING OILS, INCORPORATED | 19650045D | 1965-08-18 | Dissolved | — |
| CLARK'S HILL CEMETERY ASSOCIATION | 19130002N | 1913-03-14 | Active | — |
| CLARK'S QUALITY ROOFING, INC. | FB026444 | 2002-07-18 | Inactive | MURRAY |
| CLARK'S RENTALS CUSTOM CORNER, INC. | DB032750 | 1993-03-03 | Dissolved | YANKTON |
| Clark's Rentals LLC | DL226301 | 2022-05-04 | Active | Yankton |
| Clark's Specialty Pharmacy, LLC | FL309391 | 2025-09-16 | Active | Abilene |
| CLARK'S TENNESSEE PHARMACY, LLC | FL307710 | 2025-08-25 | Active | Spring Hill |
| CLARK, INCORPORATED (WALL) | DB022684 | 1983-08-29 | Dissolved | — |
| CLARK, RICHARDSON AND BISKUP CONSULTING ENGINEERS, INC. | FB288597 | 2024-12-09 | Active | KANSAS CITY |
| CLARK, RICHARDSON AND BISKUP CONSULTING ENGINEERS, INC. | FB036841 | 2013-06-21 | Revoked | KANSAS CITY |
| CLARK, SD | CI000030 | 1883-03-09 | Active | — |
| Clark, Sharp & Reynolds, LLC | FL216536 | 2021-12-15 | Revoked | Fort Worth |
| CLARK-DOLAND CONCRETE PRODUCTS, LLC | DL032082 | 2013-04-18 | Dissolved | CLARK |
| Clark-Hamlin Counties Cattlemen's Association, Inc. | NS049101 | 2013-11-27 | Dissolved | CARPENTER |
| Clark-Hamlin Counties Cattlemen's Association, Inc. | DB058345 | 2013-11-27 | Active | Hazel |
| CLARK/BARDES SECURITIES, INC. | FB023477 | 2000-01-31 | Inactive | DALLAS |
| CLARKDIETRICH ENGINEERING SERVICES LLC | FL005565 | 2011-03-10 | Active | WEST CHESTER |
| CLARKE & SAMPSON INC. | FB016652 | 1994-01-24 | Revoked | ALEXANDRIA |
| Clarke & Sampson LLC | FL299685 | 2025-05-06 | Active | ALEXANDRIA |
| CLARKE & SAMPSON, INC. | FB029167 | 2004-11-30 | Revoked | ALEXANDRIA |
| CLARKE & SAMPSON, INC. | FB032903 | 2008-08-26 | Inactive | ALEXANDRIA |
| CLARKE & WILBRAHAM LIMITED PARTNERSHIP I | DP001535 | 2004-05-27 | Active | — |
| CLARKE & WILBRAHAM, INC. | DB048177 | 2004-04-22 | Inactive | RAPID CITY |
| CLARKE & WILBRAHAM, LIMITED PARTNERSHIP II | DP001742 | 2006-06-30 | Active | — |
| CLARKE COMPANIES LLC | DL018963 | 2009-05-21 | Active | Baltic |
| Clarke Electric LLC. | DL180827 | 2020-05-01 | Active | Rapid City |
| CLARKE ENVIRONMENTAL MOSQUITO MANAGEMENT, INC. | FB027733 | 2003-09-24 | Active | ST. CHARLES |
| Clarke Holdings LLC | DL233543 | 2022-08-29 | Active | Baltic |