| Katherine Elizabeth McGraw, MD PLLC | DL037876 | 2014-03-17 | Active | MITCHELL |
| Katherine Erickson, DDS, LLC | DL330956 | 2026-06-11 | Active | Aberdeen |
| Katherine Henry Holding LLC | DL192889 | 2020-12-15 | Active | Sioux Falls |
| KATHERINE MARGARET HOLDINGS, LLC | DL026200 | 2011-11-10 | Active | AVON |
| KATHKA LEREW, INC. | DB047905 | 2004-02-10 | Dissolved | — |
| Kathleen A. Finkle IRA, LLC | DL224894 | 2022-04-14 | Active | Spearfish |
| Kathleen Barlow, LLC | DL278251 | 2024-07-03 | Active | Spearfish |
| KATHLEEN KOCER FARMS, INC. | DB050884 | 2006-03-23 | Dissolved | CANISTOTA |
| KATHLEEN MARY WESA, LLC | DL039941 | 2014-08-15 | Dissolved | RAPID CITY |
| KATHLEEN VAN DE WALLE, D.O., P.C. | DB031844 | 1992-06-12 | Dissolved | — |
| KATHLEEN'S, INCORPORATED | DB022573 | 1983-07-11 | Inactive | — |
| Kathleentrainer LLC | DL199089 | 2021-03-22 | Active | Watertown |
| KATHMANDU BISTRO LLC | DL031903 | 2013-04-03 | Active | RAPID CITY |
| Kathmandu Indian Cuisine LLC | DL170133 | 2019-09-14 | Active | Sioux Falls |
| Kathmandu MoMo House L.L.C | DL263463 | 2023-11-30 | Active | Rapid City |
| KATHRYN BARRETT, M.D., P.C. | DB044227 | 2001-06-14 | Dissolved | RAPID CITY |
| Kathryn Bates Counseling, LLC | DL254201 | 2023-07-31 | Active | SIOUX FALLS |
| KATHRYN BEICH, INC. | FB026595 | 2002-09-12 | Inactive | BLOOMINGTON |
| KATHRYN C STORE, LLC | DL025159 | 2011-07-11 | Dissolved | RAPID CITY |
| Kathryn M. Blain,CRNA,LLC | DL134045 | 2017-06-08 | Dissolved | Spearfish |
| KATHRYN O. HAIVALA, O.D., PLLC | DL186288 | 2020-08-19 | Active | Spearfish |
| Kathryn S Pappacoda, LLC | DL136397 | 2017-08-25 | Active | Rapid City |
| KATHRYN W. PIEPLOW, P.C. | DB038448 | 1997-04-14 | Dissolved | — |
| KATHY AGETON MINISTRIES | FN011303 | 2012-03-21 | Active | WAXAHACHIE |
| KATHY COOK ENTERPRISES, LLC | DL008262 | 2004-12-02 | Active | Rapid City |
| Kathy DiDomenico Consulting, LLC | DL025548 | 2011-08-29 | Dissolved | HOT SPRINGS |
| KATHY ENTERPRISES LLP | DR000132 | 1997-03-03 | Dissolved | WENTWORTH |
| Kathy Hsinjung Li Insurance, LLC | DL282841 | 2024-09-11 | Active | Pierre |
| Kathy Kramer Freelance Writer LLC | DL270607 | 2024-03-13 | Dissolved | Sioux Falls |
| KATHY'S C LAZY T RANCH, LLC | DL015125 | 2007-11-21 | Active | Rapid City |
| KATHY'S GETTYSBURG PIZZA RANCH, INC. | DB036294 | 1995-09-27 | Dissolved | — |
| Kathys Energy Healing LLC | DL242305 | 2023-01-16 | Active | Huron |
| Kathys Korner LLC | DL321455 | 2026-02-23 | Inactive | Mina |
| Katie Adam Counseling LLC | DL320061 | 2026-02-05 | Active | Black Hawk |
| Katie Ashe Photography, LLC | DL243707 | 2023-02-04 | Active | Rapid City |
| KATIE DAY, LLC | DL138828 | 2017-10-23 | Active | Sioux Falls |
| Katie DuFrirsz MD, PLLC | DL329531 | 2026-05-23 | Active | Sioux Falls |
| Katie Hicks Interior Design LLC | DL316942 | 2026-01-01 | Active | Milbank |
| KATIE J. THOMPSON LAW FIRM, PROF. LLC | DL016860 | 2008-06-30 | Dissolved | STURGIS |
| KATIE JOHNSON P.L.L.C. | DL020873 | 2010-02-24 | Active | Beresford |
| Katie Korp LLC | DL284742 | 2024-10-08 | Active | Rapid City |
| Katie L. Kesterson PMHNP- BC PLLC | DL256853 | 2023-08-16 | Dissolved | Aberdeen |
| KATIE LANE, LIMITED PARTNERSHIP | DP000932 | 1998-12-08 | Inactive | — |
| Katie Mary Photography LLC | DL231124 | 2022-07-22 | Dissolved | Rapid City |
| Katie Mauch Design + Marketing, LLC | DL251380 | 2023-05-23 | Active | Pierre |
| Katie Munson Art LLC | DL143188 | 2018-01-28 | Dissolved | Sioux Falls |
| Katie Reardon Skinner DDS, PC | DB058280 | 2013-11-08 | Active | SIOUX FALLS |
| KATIE ROAD CABINETRY AND WOODWORKING LLC | DL020278 | 2009-11-30 | Dissolved | SIOUX FALLS |
| KATIE WERRE LAND, LLC | DA017538 | 2008-10-15 | Active | Aberdeen |
| Katie Wrede Coaching LLC | DL183550 | 2020-06-24 | Active | SIOUX FALLS |
| KATIE'S BOUTIQUE INC | DB046073 | 2002-11-07 | Inactive | — |
| Katie's Daycare LLC | DL293391 | 2025-02-15 | Active | Pierre |
| Katie's Kantina L.L.C. | DL241128 | 2022-12-29 | Active | Interior |
| Katie's Malt Shoppe & Restaurant, Inc. | DB133526 | 2017-05-17 | Dissolved | Viborg |
| Katie's Open Door | NS167010 | 2019-07-08 | Dissolved | SIOUX FALLS |
| Katje LLC | DL227262 | 2022-05-18 | Suspended | Sioux Falls |
| KATKA SZUBA PROPERTIES, LLC | DL010730 | 2006-02-15 | Dissolved | BELLE FOURCHE |
| KATKIM LIMITED PARTNERSHIP | DP000510 | 1995-12-21 | Active | — |
| Katlyn Bowman PLLC | DL245297 | 2023-02-27 | Dissolved | Bemidji |
| Katmai North America, LLC | FL205332 | 2021-06-24 | Active | Anchorage |
| Katmandu Enterprises I, LLC | DL256723 | 2023-08-15 | Active | Sturgis |
| Katmandu Enterprises, LLC | DL041106 | 2014-11-20 | Active | Willis |
| Kato Studios, LLC | DL256851 | 2023-08-16 | Active | Rapid City |
| Katobelly, Inc. | DB134295 | 2017-06-19 | Active | Sioux Falls |
| Katom LLC | DL332209 | 2026-06-27 | Active | Spearfish |
| KATOM LLC | DL026513 | 2011-12-13 | Inactive | SPEARFISH |
| Katoure LLC | DL145335 | 2018-03-14 | Dissolved | Sioux Falls |
| KATRINA COURT ROAD DISTRICT | DM009628 | 2006-08-04 | Active | RAPID CITY |
| Katrina Enterprises LLC | DL155463 | 2018-11-01 | Dissolved | Nisland |
| Katrina Irizarry Photography LLC | DL181280 | 2020-05-10 | Dissolved | Vermillion |
| Kats and Swier, LLC | DL044035 | 2015-06-18 | Dissolved | SIOUX FALLS |
| KATS BOTANICALS CORP | FB201962 | 2021-04-29 | Active | Colorado Springs |
| KATSAM LLC | DL027044 | 2012-01-30 | Active | HIGHLANDS RANCH |
| Katsu, LLC | DL286933 | 2024-11-13 | Active | Watertown |
| KATT Holdings, Inc. | DB199135 | 2021-03-22 | Active | Hudson |
| KATT, INC. | DB045722 | 2002-07-25 | Dissolved | MADISON |
| KATTKE FARM, LLC | DL026065 | 2011-10-25 | Active | MADISON |
| KATTOM ENTERPRISES LTD. CO. | DL019050 | 2009-07-06 | Dissolved | RAPID CITY |
| Katy Adams Designs LLC | DL247987 | 2023-04-04 | Dissolved | Rapid City |
| KATY CO., INC. (HURON) | DB023415 | 1984-05-03 | Inactive | — |
| KATY FLYING CLUB | NS012980 | 2005-11-01 | Dissolved | WATERTOWN |
| KATY GMM, LLC | DL030664 | 2012-12-21 | Dissolved | BROOKINGS |
| Katy Lane Boutique, LLC | DL151196 | 2018-07-17 | Dissolved | Sturgis |
| Katy LLC | DL215743 | 2021-12-06 | Dissolved | Watertown |
| Katy Partnership Leasing, LLC | DL049796 | 2016-09-02 | Active | WATERTOWN |
| Katybug's LLC | DL179793 | 2020-04-10 | Active | Winner |
| KATZ 2014 LIMITED PARTNERSHIP | DP002689 | 2014-02-12 | Active | SIOUX FALLS |
| KATZ BURG ENTERPRISES, L.L.C. | DL000267 | 1994-10-11 | Inactive | — |
| KATZ LAW OFFICE, PROF. L.L.C. | DL002024 | 1999-01-04 | Active | HURON |
| Katz Legacy Group, LLC | DL305546 | 2025-07-25 | Active | Riverside |
| KATZ LEGACY LIMITED PARTNERSHIP | DP002748 | 2014-09-10 | Active | SIOUX FALLS |
| KATZ, SAPPER & MILLER, LLP | FR000177 | 2007-03-08 | Active | INDIANAPOLIS |
| KATZEN CREATIVE, INC. | DB051843 | 2006-12-22 | Dissolved | — |
| KATZENBERGER LLC | DL009973 | 2005-10-07 | Active | SIOUX FALLS |
| KATZER CONCRETE INC | DB131295 | 2017-03-06 | Active | Sioux Falls |
| KATZMAN INVESTMENTS, LLC | DL185286 | 2020-07-29 | Inactive | West Palm Beach |
| KAUAI 36, LLC | DL026466 | 2011-12-09 | Dissolved | Urbandale |
| KAUAI 41, LLC | DL026465 | 2011-12-09 | Dissolved | Urbandale |
| KAUAI 45, LLC | DL026464 | 2011-12-09 | Inactive | SANTA MONICA |
| KAUBISCH FAMILY RANCH, LLC | DA018284 | 2009-02-11 | Active | HILL CITY |
| KAUBISCH RANCH ROAD DISTRICT | DM009557 | 2004-09-23 | Active | RAPID CITY |
| KAUER - SCHELLE, L.L.C. | DL003157 | 2000-07-28 | Dissolved | CHAMBERLAIN |
| KAUER RANCH, INC. | DF010355 | 1970-12-08 | Inactive | — |
| Kauffman Brothers, LLC | DL211709 | 2021-10-06 | Dissolved | Rapid City |
| Kauffman Properties L.L.C. | DL300335 | 2025-05-15 | Suspended | Watertown |
| KAUFHOLD & KAUFHOLD HOLDINGS, LLC | DL186423 | 2020-08-21 | Active | Sioux Falls |
| KAUFHOLD DIX PATENT LAW, P.C. | DB054216 | 2009-01-07 | Active | SIOUX FALLS |
| Kaufman 2026 PPLI LLC | DL323159 | 2026-03-12 | Active | Sioux Falls |
| KAUFMAN CONSULTING, INC. | DB055348 | 2010-05-18 | Dissolved | RAPID CITY |
| KAUFMAN FEED SERVICE, INC. | DB012840 | 1975-04-03 | Dissolved | — |
| Kaufman Holdings, LLC | DL220460 | 2022-02-11 | Active | Aberdeen |
| KAUFMAN KONSTRUCTION, LLC | DL002695 | 2000-01-03 | Inactive | — |
| KAUFMAN KONSTRUCTION, LLC | DL009566 | 2005-07-21 | Active | Marion |
| KAUFMAN LASMAN ASSOCIATES, INC. | FB011274 | 1987-01-14 | Revoked | CHICAGO |
| KAUFMAN LIVESTOCK FEEDERS, INC. | DF029334 | 1990-04-02 | Inactive | — |
| KAUFMAN OPTOMETRIC CLINIC, PROF. LTD. | DB011256 | 1972-09-01 | Dissolved | — |
| Kaufman Ranch, LLC | DL240025 | 2022-12-08 | Active | Whitewood |
| Kaufman Services LLC | DL274522 | 2024-05-07 | Suspended | Webster |
| KAUFMAN, HALL & ASSOCIATES, LLC | FL304359 | 2025-07-10 | Active | CHICAGO |
| Kaufmann Le Coop LLC | DL307192 | 2025-08-17 | Active | Watertown |
| KAUFMANN PLUMBING AND HEATING, INC. | DB019492 | 1980-02-19 | Dissolved | — |
| KAUFMANN REID CAPITAL, LLC | DL040970 | 2014-11-03 | Dissolved | BOSTON |
| KAUK'S MEAT MARKET, INC. | DB055039 | 2010-01-04 | Active | EUREKA |
| Kaukauna of Minnesota LLC | FL272515 | 2024-04-09 | Active | Willmar |
| Kaul Construction LLC | DL310710 | 2025-10-02 | Active | Rapid City |
| Kaul Family Farms LLC | FL274515 | 2024-05-07 | Inactive | Longwood |
| KAUL GLOVE AND MFG. CO. | FB038346 | 2015-02-02 | Revoked | DETROIT |
| KAUL GLOVE AND MFG. CO. | FB032419 | 2008-02-15 | Revoked | DETROIT |
| Kaul Holdings, LLC | DL049301 | 2016-07-18 | Active | SPRINGFIELD |
| KAUL PROPERTIES, LLLP | DP001771 | 2006-12-13 | Active | — |
| KAUL'S FLAVOR RAIL, INC. | DB027151 | 1988-02-26 | Inactive | — |
| Kaulana Boutique LLC | DL218970 | 2022-01-21 | Inactive | Sioux Falls |
| KAULS' AG & AUTO, INC. | DB045219 | 2002-03-15 | Active | SPRINGFIELD |
| Kaupins LLC | DL254948 | 2023-07-19 | Inactive | Sioux Falls |
| KAUPP HEREFORD RANCH | DF002408 | 1961-08-17 | Inactive | — |
| KAUTZ FAMILY LIMITED LIABILITY LIMITED PARTNERSHIP | DP002044 | 2009-09-17 | Active | MENNO |
| KAUTZSCH FARMS, L.L.C. | DL207952 | 2021-08-09 | Active | POCATELLO |
| KAV MARKETING SERVICE CO | DB198382 | 2021-03-10 | Dissolved | Pierre |
| KAVA ROSE, LLC | DL215812 | 2021-12-06 | Dissolved | Beresford |
| KAVAN INVESTMENTS, LLC | DL043078 | 2015-04-01 | Inactive | HASTINGS |
| KAVANAUGH PAINT SHOP, INC. | 19480039D | 1948-05-21 | Suspended | — |
| Kavanaugh's Weed and Pest Management LLC | DL131019 | 2017-02-25 | Active | RAPID CITY |
| KAVERN'S, L.L.C. | DL033359 | 2013-08-05 | Active | VOLIN |
| Kavik Land Holdings, LLC | DL225968 | 2022-04-28 | Active | Spearfish |
| KAW Studio LLC | DL292638 | 2025-02-05 | Dissolved | Sioux Falls |
| Kaw Thoo Lei Automotive, LLC | DL252515 | 2023-06-08 | Dissolved | Huron |
| KAW VALLEY ASSOCIATES, INC. | FB012380 | 1988-10-24 | Revoked | OVERLAND PARK |
| Kawaiicara Inc | DB308088 | 2025-08-29 | Active | Watertown |
| Kawasaki Motors Finance Corporation | FB330467 | 2026-06-04 | Active | Foothill Ranch |
| KAWASAKI MOTORS RETAIL FINANCE, LLC | FL298586 | 2025-04-23 | Active | Foothill Ranch |
| KAWEL SHALE PRODUCTS CO. | FB024370 | 2000-10-04 | Revoked | LAURENS |
| KAWEL SHALE PRODUCTS CO. | FB011132 | 1986-10-23 | Revoked | LAURENS |
| KAWHM, L.L.C. | DL000760 | 1996-03-19 | Dissolved | — |
| KAWINOGAN CAMP, LLC | DL009256 | 2005-05-24 | Active | WAGNER |
| KAWS, LLC | DL010549 | 2006-01-17 | Active | Sioux Falls |
| KAY AND KEN INCORPORATED | DB023703 | 1984-08-31 | Inactive | — |
| KAY DEE BUILDERS SUPPLY, INC. | FB005430 | 1976-06-07 | Revoked | SIOUX CITY |
| Kay Dee, LLC | DL041960 | 2015-01-16 | Active | Dakota Dunes |
| KAY FLO SERVICES, INC. | DB055366 | 2010-05-24 | Inactive | NORTH SIOUX CITY |
| KAY LINDGREN MSW LLC | DL019711 | 2009-09-08 | Dissolved | RAPID CITY |
| KAY LYNN'S, INC. | DB028264 | 1989-04-03 | Dissolved | — |
| KAY M JOHNSTON, LMT, INC. | DB051999 | 2007-01-31 | Dissolved | RAPID CITY |
| Kay of Sunshine LLC | DL295827 | 2025-03-18 | Active | Sioux Falls |
| Kay Quale, Artist LLC | DL294549 | 2025-03-03 | Active | WATERTOWN |
| KAY'S COMPUTING, LLC | DL043952 | 2015-06-11 | Active | GROTON |
| KAY'S QUILT SHOP, INC. | DB042913 | 2000-06-14 | Inactive | — |
| KAY-ANNE LAND, LLC | DL046617 | 2016-01-11 | Active | Wall |
| KAY-JAY, LLC | DL015136 | 2007-11-26 | Dissolved | SIOUX FALLS |
| KAY-JO'S, L.L.C. | DL016226 | 2008-04-09 | Dissolved | NORTH SIOUX CITY |
| Kaya Dental, LLC | DL037898 | 2014-03-18 | Inactive | PIERRE |
| Kayak FUNdamentals, LLC | DL131927 | 2017-03-27 | Dissolved | MADISON |
| KAYAKING AND MORE LLC | DL187703 | 2020-09-15 | Inactive | — |
| KAYAL WIRELESS SD LLC | DL184194 | 2020-07-09 | Dissolved | Fargo |
| Kayanii co. | DB243805 | 2023-02-06 | Active | Sioux Falls |
| KAYCI ACQUISITIONS, LLC | FL043795 | 2015-09-25 | Inactive | CONCORD |
| KAYDEE ENTERPRISES, INC. | DB043276 | 2000-09-29 | Active | ABERDEEN |
| KAYDEE ENTERPRISES, LLP | DR000401 | 1999-07-12 | Inactive | — |
| Kayden Hammond Foundation | NS254389 | 2023-07-10 | Active | Orient |
| KAYDEN SVARSTAD, INC. | DB057224 | 2012-10-12 | Active | ABERDEEN |
| KAYFARMS INC. | DB024489 | 1985-06-18 | Inactive | — |
| Kayl and Dunlavy Contracting, LLC | DL216143 | 2021-12-09 | Dissolved | Aberdeen |
| Kayla Cares LLC | DL301365 | 2025-05-29 | Active | Sturgis |
| Kayla Jean Design LLC | DL190665 | 2020-11-04 | Active | Hecla |
| Kayla Lair Coaching LLC | DL278575 | 2024-07-10 | Active | Sioux Falls |
| Kayla Marie Photography L.L.C. | DL218458 | 2022-01-13 | Dissolved | Rapid city |
| Kayla Rauscher Inc. | DB060533 | 2015-12-10 | Dissolved | Aberdeen |
| Kayla's Investors, LLC | DL048333 | 2016-05-05 | Active | Spearfish |
| Kaylee Court Drive Association | NS256178 | 2023-08-07 | Active | Watertown |
| Kaylee Slagus LLC | DL308764 | 2025-09-08 | Active | Sioux Falls |
| Kaylee VanLaecken, DDS, LLC | DL166071 | 2019-06-17 | Active | Aberdeen |
| Kaylee's Kindness | NS248041 | 2023-04-04 | Active | Freeman |
| Kaylee's Rentals, LLC | DL216622 | 2021-12-16 | Active | Sioux Falls |
| KAYLEE, LLC | DL028462 | 2012-06-12 | Active | Huron |
| Kaylei's Liquor Store & More, LLC | DL155999 | 2018-11-05 | Dissolved | Gettysburg |
| Kayli Fitz, LLC | DL331006 | 2026-06-12 | Active | Sioux Falls |
| KayLin Properties, LLC | DL332221 | 2026-06-27 | Active | PIEDMONT |
| Kaylor AgriServices Inc. | DB010697 | 1971-08-19 | Active | KAYLOR |
| KAYLOR ATHLETIC ASSOCIATION, INCORPORATED | DB028586 | 1989-07-27 | Dissolved | — |
| Kaylor Businessmen | NS134093 | 2017-06-09 | Active | KAYLOR |
| KAYLOR COMMUNITY CLUB, INC. | NS010426 | 1995-10-20 | Dissolved | KAYLOR |