| CLAY Group, LLC | DL216703 | 2021-12-17 | Dissolved | SIOUX FALLS |
| Clay Heart Engineering L.L.C. | DL244755 | 2023-02-19 | Dissolved | Denver |
| Clay House LLC | DL218275 | 2022-01-11 | Active | Big Stone City |
| CLAY KISER POST NO. 92, THE AMERICAN LEGION, DEPT. OF REDFIELD, SOUTH DAKOTA | NS001223 | 1937-02-19 | Inactive | — |
| Clay Logic, Inc. | DB049028 | 2004-12-20 | Dissolved | HENRY |
| CLAY MOUNTAIN LLC | DL163261 | 2019-04-16 | Active | FLANDREAU |
| CLAY POST NO. 3061 VETERANS OF FOREIGN WARS OF THE UNITED STATES, INCORPORATED | NS000943 | 1956-04-13 | Active | WAKONDA |
| CLAY RURAL WATER SYSTEM, INCORPORATED | NS005823 | 1975-07-21 | Active | WAKONDA |
| Clay SD PPLI, LLC | DL288467 | 2024-12-09 | Active | Rapid City |
| Clay Smith M.D., P.C. | DB157911 | 2018-12-21 | Dissolved | Rapid City |
| CLAY SPIELMANN, LLC | DA008576 | 2005-01-27 | Active | ROSCOE |
| Clay Tile Barn L.L.C. | DL141582 | 2018-01-02 | Active | Saint Paul |
| Clay Union Farm Mutual Insurance Company | IN000029 | 1932-03-07 | Active | ELK POINT |
| Clay Wheel and Way, Inc | DB303522 | 2025-06-30 | Active | North Sioux City |
| Clay's Bees LLC | DL310497 | 2025-09-30 | Inactive | Watertown |
| CLAY-UNION ELECTRIC CORPORATION | PU000412 | 1936-08-17 | Active | — |
| CLAY-UNION ELECTRIC CORPORATION | CO000412 | 1936-08-17 | Active | VERMILLION |
| CLAY-UNION FOUNDATION, INC. | NS010943 | 1997-12-31 | Dissolved | Elk Point |
| CLAY-UNION GOLDEN ACRES, INC. | DB007182 | 1968-02-28 | Inactive | — |
| CLAY-YANKTON RURAL TELEPHONE COMPANY | PU000554 | 1956-03-02 | Inactive | — |
| CLAYBORNE & LOOS, P.C. | DB049952 | 2005-07-18 | Inactive | — |
| Clayborne Enterprise Corporation | DB248067 | 2023-04-05 | Dissolved | SPEARFISH |
| CLAYBORNE MENTAL HEALTH AND EVALUATION SERVICES LLC | DL025296 | 2011-07-27 | Active | SIOUX FALLS |
| Clayborne Properties, LLC | DL312899 | 2025-11-04 | Active | Rapid City |
| CLAYBUSTERS, LLC | DL009784 | 2005-09-06 | Inactive | — |
| Clayco Design & Engineering, Inc. | FB215273 | 2021-11-29 | Inactive | CHICAGO |
| Clayco, Inc. | FB137079 | 2017-09-14 | Active | Saint Louis |
| CLAYETTNA, INCORPORATED | DB048283 | 2004-05-17 | Dissolved | LEAD |
| Clayheart PPLI, LLC | DL225043 | 2022-04-15 | Active | Sioux Falls |
| CLAYMINN, LLC | DL004865 | 2002-06-26 | Dissolved | VERMILLION |
| CLAYMOORE RESIDENTIAL AND COMMERCIAL PAINTING, LLC | DL154882 | 2018-10-09 | Dissolved | Rapid City |
| CLAYMORE ENTERPRISES, INC. | DB022900 | 1983-11-22 | Inactive | — |
| CLAYMORE GROUP HOLDINGS, INC. | DB029709 | 1990-07-30 | Dissolved | — |
| CLAYMORE PROPERTIES, L.L.C. | DL010097 | 2005-11-02 | Active | Rapid City |
| CLAYMORE RANCH, INC. | DB025894 | 1986-12-05 | Dissolved | — |
| Claymore Ranch, LLC | DL171429 | 2019-10-10 | Dissolved | Gettysburg |
| CLAYMORE'S CONSTRUCTION, INC. | DB051646 | 2006-10-26 | Dissolved | BLACK HAWK |
| CLAYMORE'S KARS, INC. | DB051648 | 2006-10-26 | Inactive | — |
| Claypool Capital, LLC | DL137485 | 2017-09-25 | Dissolved | Pierre |
| CLAYPOOL HILL LODGING, INC. | DB035816 | 1995-05-10 | Dissolved | ABERDEEN |
| Claypool, LLC | DL154626 | 2018-10-02 | Active | Roseville |
| CLAYT'S COAL SALES, INC. | DB016193 | 1978-12-11 | Inactive | — |
| CLAYTON BROKERAGE CO. OF ST. LOUIS, INC. | FB004791 | 1974-10-03 | Revoked | CLAYTON |
| Clayton Colson Limited Partnership | DP002947 | 2016-10-26 | Active | ONIDA |
| Clayton Conroy, DDS, PLLC | DL157962 | 2018-12-21 | Active | Watertown |
| Clayton Creek Construction, LLC | DL225138 | 2022-04-18 | Active | North Sioux City |
| Clayton Creek Holdings, LLC | DL283533 | 2024-09-20 | Active | North Sioux City |
| CLAYTON FARMS, LLP | DR001419 | 2011-07-01 | Dissolved | Pierre |
| Clayton Farms, LLP | DR221809 | 2022-03-02 | Active | PIERRE |
| CLAYTON HOLDINGS, LLC | DL245322 | 2023-02-27 | Inactive | SPEARFISH |
| CLAYTON INVESTMENT GROUP, L.L.C. | DL019489 | 2009-08-05 | Inactive | Sioux Falls |
| Clayton Investments, LLC | DL236282 | 2022-10-06 | Active | Sioux Falls |
| CLAYTON KEISER CONSTRUCTION, INC. | DB030792 | 1991-07-09 | Dissolved | — |
| CLAYTON KJERSTAD FAMILY FARM AND RANCH LLC | DL025739 | 2011-09-16 | Active | WALL |
| CLAYTON LAW P.C. | DB054853 | 2009-10-19 | Dissolved | SIOUX FALLS |
| CLAYTON MONTGOMERY PROPERTIES, LLC | FA004033 | 2008-04-17 | Inactive | MEDINA |
| Clayton Properties, LLC | DL156244 | 2018-11-11 | Active | Sioux Falls |
| CLAYTON RAILROAD CONSTRUCTION, LLC | FL004274 | 2008-10-14 | Revoked | WEST UNION |
| CLAYTON SANDER, L.L.C. | DL016966 | 2008-07-17 | Dissolved | CUSTER |
| Clayton Services LLC | FL132706 | 2017-04-19 | Active | Glendale |
| CLAYTON SERVICES, INC. | FB029496 | 2005-03-28 | Inactive | SHELTON |
| Clayton Supply, Inc. | FB032752 | 2008-06-26 | Active | MARYVILLE |
| CLAYTON THOMAS, LLC | DL029852 | 2012-10-29 | Active | IRVINE |
| CLAYTON'S HANDYMAN AND REMODELING SERVICE LLC | DL021257 | 2010-04-15 | Dissolved | RAPID CITY |
| CLAYTON, INC. | DB045834 | 2002-09-03 | Inactive | — |
| CLB INVESTMENTS, L.L.C. | DL000211 | 1994-07-05 | Inactive | — |
| CLB LLC | DL018015 | 2009-01-02 | Inactive | MCCOOK LAKE |
| CLBY INC | DB248755 | 2023-04-15 | Dissolved | Watertown |
| CLC & ASSOCIATES, LLC | DL017920 | 2008-12-18 | Active | Belle Fourche |
| CLC Cattle, LLC | FL293951 | 2025-02-24 | Active | Presho |
| CLC Consulting INC | DB151442 | 2018-07-24 | Dissolved | Montrose |
| CLC EQUIPMENT COMPANY | FB020301 | 1997-07-16 | Inactive | MINNEAPOLIS |
| CLC EQUIPMENT LLC | FL000829 | 2000-12-06 | Inactive | MINNETONKA |
| CLC HOLDINGS CORP. | FB015374 | 1992-07-10 | Inactive | DENVER |
| CLC Holdings, Inc. | FB310473 | 2025-10-14 | Active | LAS VEGAS |
| CLC Maintenance LLC | DL274317 | 2024-05-04 | Dissolved | Watertown |
| CLC NO. 2, LLC | DL008155 | 2004-11-04 | Active | CAPUTA |
| CLC PROPERTIES CORPORATION | FB009775 | 1984-09-19 | Inactive | ST. PAUL, |
| CLC Properties, LLC | DL268425 | 2024-02-13 | Dissolved | Tea |
| CLC Roofing Inc | DB229619 | 2022-06-28 | Dissolved | Montrose |
| CLC SOUTH DAKOTA, INC. | DB026220 | 1987-03-23 | Dissolved | — |
| CLC, LLC | DL043653 | 2015-06-08 | Active | Sioux Falls |
| CLCHMJ, LLC | DL176641 | 2020-01-31 | Active | RAPID CITY |
| CLCK Properties, LLC | DL266543 | 2024-01-17 | Dissolved | Rapid City |
| CLD CORP. | NS014343 | 2010-06-15 | Active | SIOUX FALLS |
| CLD PROPERTIES, LLC | DL011061 | 2006-04-06 | Inactive | WATERTOWN |
| CLDL, LLC | DL134794 | 2017-07-05 | Active | Sioux Falls |
| CLE Holdings, LLC | DL003514 | 2001-01-22 | Active | SIOUX FALLS |
| CLE Land and Cattle, LLC | DL308266 | 2025-09-02 | Active | Barnard |
| CLE Properties LLC | DL041700 | 2014-12-24 | Dissolved | Spearfish |
| CLE, L.L.C. | DL012756 | 2006-12-21 | Dissolved | TEA |
| CLE-KAL INC. | DB012110 | 1974-01-16 | Dissolved | — |
| CLEAN & CONSCIOUS VENDING LLC | DL228150 | 2022-06-02 | Active | SIOUX FALLS |
| CLEAN & GREEN LAWN CARE, LLC | DL047579 | 2016-03-16 | Dissolved | SIOUX FALLS |
| Clean & Organize with Courtney, LLC | DL249707 | 2023-05-01 | Suspended | Harrisburg |
| CLEAN & SHINE COMPANY LLC | DL276690 | 2024-06-10 | Dissolved | SIOUX FALLS |
| Clean 4 U Inc. | DB186166 | 2020-08-17 | Dissolved | Milford |
| CLEAN AIR AND WATER SYSTEMS, LLC | FL004970 | 2010-02-08 | Active | Waukesha |
| Clean Air Sioux Falls LLC | DL216812 | 2021-12-20 | Active | Flandreau |
| CLEAN AIR, LLC | DL016612 | 2008-05-30 | Inactive | SISSETON |
| CLEAN AIR. L.L.C. | DL001247 | 1997-05-28 | Inactive | — |
| Clean Aircraft Concept, Inc. | DB145530 | 2018-03-19 | Dissolved | Sioux Falls |
| CLEAN AS A WHISTLE INC | DB168588 | 2019-08-09 | Dissolved | SIOUX FALLS |
| Clean Bee Company, LLC | DL274323 | 2024-05-06 | Dissolved | Rapid City |
| Clean Bin LLC | DL254832 | 2023-07-17 | Dissolved | Rapid City |
| Clean Birds Laundry, LLC | DL183271 | 2020-06-18 | Suspended | Sisseton |
| CLEAN BREAK INC | DB060124 | 2015-06-04 | Dissolved | RAPID CITY |
| Clean by Briseida LLC | DL328327 | 2026-05-09 | Active | Onida |
| Clean By Jane, LLC | DL316890 | 2025-12-31 | Active | White Lake |
| CLEAN CANDLE COLLECTIVE LLC | DL330221 | 2026-06-02 | Active | Rapid City |
| Clean Car Club LLC | DL278157 | 2024-07-02 | Active | Rapid City |
| CLEAN CARS OF SIOUX FALLS, LLC | DL023391 | 2011-01-03 | Dissolved | SIOUX FALLS |
| Clean Choice LLC | DL250124 | 2023-05-04 | Active | Hartford |
| clean Clips Supreme One LLC | DL232580 | 2022-08-14 | Revoked | SIOUX FALLS |
| CLEAN CLOTHES, LLC | DL003459 | 2000-12-28 | Dissolved | SIOUX FALLS |
| Clean Cohesive Comprehensible Gear Code LLC | DL259318 | 2023-09-22 | Dissolved | Sioux Falls |
| Clean Corners LLC | DL325448 | 2026-04-07 | Active | Watertown |
| Clean Cut Construction, LLC | DL179702 | 2020-04-08 | Active | SIOUX FALLS |
| Clean Cut Construction, LLC | DL050118 | 2016-09-29 | Dissolved | SIOUX FALLS |
| Clean Cut Construction, LLC | DL243705 | 2023-02-03 | Inactive | Sioux Falls |
| CLEAN CUT LAWN AND LANDSCAPE, LLC | DL205161 | 2021-06-22 | Active | Arlington |
| Clean Cut Lawn Care LLC | DL181150 | 2020-05-07 | Active | SIOUX FALLS |
| CLEAN CUT LAWN SERVICE LLC | DL016760 | 2008-06-19 | Inactive | — |
| Clean cut lawn services LLC | DL228911 | 2022-06-14 | Dissolved | Box Elder |
| CLEAN CUT PRO LAWN CARE, L.L.C. | DL012962 | 2007-01-16 | Inactive | — |
| Clean Cut Trim Co. L.L.C. | DL322601 | 2026-03-06 | Active | Rapid City |
| CLEAN CYMBALS, INC. | DB056362 | 2011-09-28 | Dissolved | SIOUX FALLS |
| Clean Dirt Excavation and Landscaping LLC | DL271982 | 2024-04-02 | Active | Watertown |
| CLEAN EARTH ENVIRONMENTAL SOLUTIONS, INC. | FB038261 | 2014-12-03 | Active | King of Prussia |
| CLEAN EARTH SPECIALTY WASTE SOLUTIONS, INC. | FB032523 | 2008-03-27 | Active | King of Prussia |
| Clean Eating Parties, LLC | DL040625 | 2014-10-09 | Dissolved | Aberdeen |
| Clean Eats L.L.C. | DL230686 | 2022-07-17 | Active | Watertown |
| CLEAN ENERGY RENEWABLE FUELS, LLC | FL228964 | 2022-06-15 | Active | NEWPORT BEACH |
| Clean Energy Services CES LLC | FL233068 | 2022-08-22 | Active | Watertown |
| CLEAN ENERGY SOLUTIONS, LLC | FL003885 | 2008-01-09 | Active | Manitowoc |
| CLEAN FINISH, INC. | DB040350 | 1998-07-29 | Dissolved | SIOUX FALLS |
| CLEAN FLOW GROUP, LLC | DL317623 | 2026-01-09 | Active | Westminster |
| Clean for you LLC | DL277695 | 2024-06-25 | Dissolved | Sioux falls |
| CLEAN FREAKS, INC. | DB056313 | 2011-08-29 | Dissolved | WATERTOWN |
| Clean Get Away LLC | DL318313 | 2026-01-16 | Active | Rapid City |
| Clean Girl Revival LLC | DL333262 | 2026-07-10 | Active | Brandon |
| Clean Gro Corporation | DB227936 | 2022-05-30 | Dissolved | Watertown |
| CLEAN GROCERY STORE, LLC | DL046452 | 2015-12-28 | Dissolved | PARKER |
| Clean Gutter LLC | DL255409 | 2023-07-26 | Dissolved | Sioux Falls |
| CLEAN HARBORS ARAGONITE, LLC | FL164958 | 2019-05-21 | Revoked | NORWELL |
| Clean Harbors Aragonite, LLC | FL314423 | 2025-11-24 | Active | NORWELL |
| CLEAN HARBORS ENVIROMENTAL SERVICES, INC. | FB184914 | 2020-07-22 | Revoked | NORWELL |
| Clean Harbors Environmental Services, Inc. | FB315906 | 2025-12-17 | Active | NORWELL |
| CLEAN HARBORS ENVIRONMENTAL SERVICES, INC. | FB018762 | 1996-03-18 | Revoked | NORWELL |
| CLEAN HARBORS INDUSTRIAL SERVICES, INC. | FB184911 | 2020-07-22 | Inactive | NORWELL |
| CLEAN HARBORS INDUSTRIAL SERVICES, INC. | FB161845 | 2019-03-18 | Revoked | NORWELL |
| CLEAN HARBORS SURFACE RENTALS USA, INC. | FB035809 | 2012-03-09 | Revoked | NORWELL |
| CLEAN HARBORS SURFACE RENTALS USA, INC. | FB184910 | 2020-07-22 | Revoked | NORWELL |
| Clean Huron Transportation, L.L.C. | DL268687 | 2024-02-16 | Dissolved | Huron |
| Clean It Co LLC | DL278327 | 2024-07-06 | Active | sioux falls |
| Clean Life LLC | DL319434 | 2026-01-29 | Active | Sioux Falls |
| Clean Living LLC | DL268519 | 2024-02-14 | Active | Sioux Falls |
| Clean Living, LLC | DL131985 | 2017-03-29 | Dissolved | RAPID CITY |
| Clean Machine Pressure Washing, LLC | DL297350 | 2025-04-07 | Suspended | Rapid City |
| Clean Management Environmental Group, Inc. | FB165706 | 2019-06-07 | Active | WALTERBORO |
| Clean N Clear LLC | DL266427 | 2024-01-15 | Dissolved | Sioux Falls |
| Clean Nuclear Energy Corp. | FB267314 | 2024-01-29 | Active | — |
| CLEAN PLAY, LLC | DL008151 | 2004-11-03 | Inactive | PIERRE |
| CLEAN PLUMBING AND HEATING INC. | DB045326 | 2002-04-11 | Inactive | — |
| CLEAN PRO CREW, LLC | DL219943 | 2022-02-04 | Inactive | SIOUX FALLS |
| Clean Pro Gutter Cleaning LLC | DL190032 | 2021-01-01 | Active | SIOUX FALLS |
| clean produce unlimited | NS248045 | 2023-04-04 | Dissolved | Rapid City |
| CLEAN R' US CORP. | FB029442 | 2005-03-07 | Revoked | LONG ISLAND CITY |
| Clean Ride Auto Spa, LLC | DL155184 | 2018-10-16 | Active | Sioux Falls |
| Clean rides detail LLC | DL330582 | 2026-06-06 | Active | Rapid City |
| Clean Rite 1 LLC | DL266338 | 2024-01-13 | Active | Sturgis |
| Clean Rite LLC | DL171412 | 2019-10-10 | Active | Sioux Falls |
| Clean Rock LLC | DL169646 | 2019-09-04 | Inactive | Sioux Falls |
| CLEAN ROOMS WEST LLC | FL292601 | 2025-02-05 | Active | Tustin |
| Clean Scene Pro Wash LLC | DL259270 | 2023-09-22 | Dissolved | Rapid city |
| Clean Seed Company LLC | DL296678 | 2025-03-28 | Dissolved | Watertown |
| CLEAN SITES, INCORPORATED | FN010297 | 1990-02-13 | Revoked | ALEXANDRIA |
| Clean Slate Auto Spa, LLC | DL248509 | 2023-04-12 | Active | Vermillion |
| Clean Slate Cleaning Co. LLC | DL249507 | 2023-04-26 | Dissolved | Rapid City |
| Clean Slate Cleaning Services LLC | DL293843 | 2025-02-22 | Active | Watertown |
| CLEAN SLATE CLEANING, LLC | DL040699 | 2014-10-14 | Dissolved | SIOUX FALLS |
| Clean Slate Detailing LLC | DL277165 | 2024-06-17 | Active | Wall |
| Clean Slate Excavation, LLC | DL321668 | 2026-02-24 | Active | Freeman |
| CLEAN SLATE GROUP LLC | FL044064 | 2016-01-25 | Revoked | BOZEMAN |
| Clean Slate Junk & Haul LLC | DL314453 | 2025-11-28 | Active | Sioux Falls |
| Clean Slate Media Inc | DB187755 | 2020-09-16 | Dissolved | CANTON |
| Clean Slate Services LLC | DL273676 | 2024-04-25 | Active | Dakota Dunes |
| CLEAN STICK GOLF L.L.C. | DL132696 | 2017-04-19 | Dissolved | FARGO |
| Clean Surface Technology, LLC | DL138663 | 2017-10-18 | Dissolved | Sioux Falls |
| CLEAN SWEEP HARPER INDUSTRIES, LLC | DL035265 | 2013-09-27 | Dissolved | COLTON |
| Clean Sweep Industries, Inc | DB059451 | 2014-10-02 | Active | Sioux Falls |
| Clean Sweep Junk Removal, LLC | DL276811 | 2024-06-13 | Active | Rapid City |
| Clean Sweep Snow Removal LLC | DL267347 | 2024-01-29 | Dissolved | Harrisburg |
| Clean Sweep Solutions, LLC | DL301810 | 2025-06-05 | Active | Box Elder |
| CLEAN SWEEP, INC. | DB047768 | 2004-01-09 | Inactive | — |
| Clean Sweep, Inc. | DB128669 | 2016-12-12 | Dissolved | SIOUX FALLS |
| Clean Sweep, LLC | DL183467 | 2020-06-23 | Active | PIERRE |
| CLEAN TECH, INC. | DB050057 | 2005-08-24 | Inactive | — |
| Clean up nice! LLC | DL226377 | 2022-05-04 | Dissolved | Sioux Falls |
| Clean Up Pro Solutions LLC | DL310171 | 2025-09-25 | Active | Black Hawk |