| Diamond J Bar LLC | DL205956 | 2021-07-06 | Dissolved | Mitchell |
| DIAMOND J FARMS, L.L.C. | DL022209 | 2010-08-20 | Active | Alexandria |
| DIAMOND J IRON, LLC | DL029582 | 2012-10-01 | Dissolved | WOONSOCKET |
| DIAMOND J LIMITED PARTNERSHIP | DP000748 | 1997-11-03 | Active | — |
| Diamond J Meats LLC | DL048943 | 2016-06-16 | Dissolved | WESSINGTON SPRINGS |
| Diamond J Ranch LLC | DL302385 | 2025-06-13 | Active | Rapid City |
| Diamond J Transportation and Pilot Cars LLC | DL222619 | 2022-03-13 | Active | Lawton |
| Diamond Jones Ranch, LLC | DL216411 | 2021-12-14 | Active | Vivian |
| DIAMOND K CORPORATION | FB025958 | 2002-02-11 | Inactive | MT PLEASANT |
| Diamond K Enterprises, LLC | DL050200 | 2016-10-05 | Dissolved | HERMOSA |
| Diamond K Innovation LLC | DL322782 | 2026-03-09 | Active | Parker |
| Diamond K Kennels, LLC | DL131516 | 2017-03-14 | Active | FREEMAN |
| Diamond K Legacy Horses L.L.C | DL192013 | 2020-12-01 | Active | Lake Andes |
| DIAMOND K LIVESTOCK LLC | DL031760 | 2013-03-25 | Dissolved | NEWELL |
| Diamond K Properties LLC | DL333534 | 2026-07-14 | Active | Yankton |
| DIAMOND K RESOURCES LLC | FL006840 | 2013-04-15 | Revoked | MT. PLEASANT |
| Diamond K Tractor LLC | DL320345 | 2026-02-09 | Active | Watertown |
| Diamond K Transport Inc. | DB262602 | 2023-11-15 | Active | Highmore |
| DIAMOND K TRUCKING LLC | DL029945 | 2012-11-07 | Active | KIMBALL |
| DIAMOND K, INC. | DB056278 | 2011-08-05 | Active | FORT PIERRE |
| Diamond L Construction, LLC | DL239562 | 2022-12-01 | Active | SIOUX FALLS |
| Diamond L Ranch, LLC | DL223098 | 2022-03-18 | Active | Isabel |
| DIAMOND L TRADING POST, INC. | DB057219 | 2012-10-10 | Dissolved | REVILLO |
| DIAMOND LAKE FINANCIAL, INC. | FB009716 | 1984-08-03 | Revoked | ST. PAUL |
| Diamond Land and Cattle Company LLC | DL145229 | 2018-03-12 | Dissolved | Watertown |
| DIAMOND LAZY E. RANCH, LLC | DL021644 | 2010-06-01 | Active | HOSMER |
| DIAMOND LAZY M FARM, INC. | DB049491 | 2005-03-30 | Active | AGAR |
| DIAMOND LENDERS GROUP CORPORATION | FB023973 | 2000-06-07 | Inactive | MINNEAPOLIS |
| DIAMOND LIL'S, INC. | DB029674 | 1990-07-12 | Inactive | — |
| DIAMOND LIMOUSINE OF THE BLACK HILLS, LLC | DL002138 | 1999-03-15 | Dissolved | — |
| DIAMOND LIMOUSINE SERVICE, INC. | DB034163 | 1994-03-16 | Inactive | — |
| DIAMOND LIMOUSINE, LLC | DL003792 | 2001-05-21 | Inactive | — |
| Diamond Locs, LLC | DL225937 | 2022-04-28 | Dissolved | Sioux Falls |
| DIAMOND LUMBER, INC. | FB009161 | 1983-09-26 | Revoked | CARROLLTON |
| Diamond Luxe Detailing LLC | DL230043 | 2022-07-06 | Dissolved | Box Elder |
| DIAMOND M ARENA, L.L.C. | DL006026 | 2003-07-02 | Dissolved | WEATHERFORD |
| Diamond M Concrete Coatings LLC | DL190509 | 2020-11-03 | Active | Rapid City |
| DIAMOND M DEVELOPMENT, LLC | DL003627 | 2001-03-29 | Dissolved | — |
| DIAMOND M ENTERPRISES, INC. | DB038013 | 1996-12-26 | Dissolved | WEATHERFORD |
| Diamond M LLC | DL295509 | 2025-03-14 | Active | Spearfish |
| DIAMOND M RANCH BED & BREAKFAST CO. | DB053688 | 2008-06-10 | Dissolved | Spearfish |
| DIAMOND M RANCH, L.L.C. | DL006027 | 2003-07-02 | Dissolved | WEATHERFORD |
| Diamond M Seeds and Fertilizer, LLC | DL173712 | 2019-12-02 | Dissolved | Arlington |
| Diamond M Trenching & Excavation LLC | DL331894 | 2026-06-23 | Active | Watertown |
| DIAMOND M. INCORPORATED | DB033994 | 1994-02-01 | Dissolved | SUNDANCE |
| Diamond M1, LLC | DA036039 | 2013-11-18 | Active | BOCA RATON |
| DIAMOND MACHINE COMPANY | 19610052D | 1961-08-24 | Dissolved | — |
| Diamond Marketing Solutions Group, Inc. | FB144841 | 2018-03-05 | Active | Carol Stream |
| Diamond McCarthy LLP | FR128991 | 2016-12-20 | Inactive | HOUSTON |
| DIAMOND MEADOWS, LLC | DL024890 | 2011-06-08 | Inactive | QUESNEL |
| DIAMOND MINE, INC. | DB048024 | 2004-03-15 | Inactive | — |
| DIAMOND MOTORS, INC. | DB032558 | 1993-01-14 | Inactive | — |
| Diamond Mountain Tactical LLC | DL270534 | 2024-03-12 | Inactive | Redding |
| DIAMOND MOWERS, INC. | DB042885 | 2000-06-07 | Inactive | SIOUX FALLS |
| Diamond Mowers, LLC | FL144794 | 2018-03-04 | Active | Sioux Falls |
| DIAMOND NEUROMONITORING, LLC | DL032848 | 2013-06-17 | Dissolved | MENNO |
| Diamond Nurse Staffing, Inc. | DB059278 | 2014-07-25 | Dissolved | SIOUX FALLS |
| DIAMOND O FEEDS, LLC | DL030691 | 2012-12-26 | Dissolved | WALL |
| DIAMOND O RENTALS, INC. | DB042958 | 2000-06-22 | Dissolved | PIERRE |
| DIAMOND P INC. | DF021331 | 1982-02-23 | Active | Whitewood |
| Diamond P Ranch, LLC | DL135054 | 2017-07-14 | Active | Newell |
| Diamond P Strategies, LLC | DL248158 | 2023-04-05 | Dissolved | Sioux Falls |
| DIAMOND PAGEANT PRODUCTIONS, INC. | DB036205 | 1995-09-01 | Inactive | — |
| DIAMOND PARTNERS L.L.C. | DL008213 | 2004-11-19 | Active | SIOUX FALLS |
| Diamond Performance LLC | DL181384 | 2020-05-12 | Dissolved | Watertown |
| Diamond Pheasant LLC | DL305000 | 2025-07-18 | Active | Eden |
| DIAMOND POST & STEEL BUILDINGS, INC. | DB015265 | 1978-05-05 | Dissolved | SPEARFISH |
| Diamond Power Washing, L.L.C. | DL040124 | 2014-08-27 | Dissolved | ABERDEEN |
| Diamond PowerWashing & Contracting LLC | DL238012 | 2022-11-04 | Dissolved | Rapid City |
| DIAMOND PRO REALTY, PLLC | FL043927 | 2015-11-20 | Revoked | AKRON |
| DIAMOND PRODUCTS COMPANY | FB004478 | 1973-10-01 | Inactive | Orange City |
| DIAMOND PROPERTIES, INC. | DB025319 | 1986-04-16 | Inactive | — |
| DIAMOND PROPERTIES, LLC | DL012905 | 2007-01-08 | Dissolved | SIOUX FALLS |
| DIAMOND PROPERTY MANAGEMENT, L.L.C. | DL022508 | 2010-09-29 | Inactive | ABERDEEN |
| Diamond Property Management, LLC | DL267687 | 2024-02-01 | Active | Sioux Falls |
| Diamond R Customs LLC | DL294410 | 2025-02-28 | Active | Tea |
| DIAMOND R ENTERPRISES, INC. | DB032258 | 1992-10-27 | Inactive | GREAT FALLS |
| Diamond R Enterprises, Inc. | DB059029 | 2014-04-30 | Active | SIOUX FALLS |
| Diamond R Industries LLC | FL284234 | 2024-10-01 | Revoked | Pawnee |
| DIAMOND R TRUCKING, INC. | DB168525 | 2019-08-08 | Active | Rapid City |
| Diamond R, LLC | DL134086 | 2017-06-09 | Active | Deadwood |
| DIAMOND R. ENTERPRISES, INC. | DB021953 | 1982-12-01 | Inactive | — |
| Diamond Real Estate Enterprise, LLC | DL189672 | 2020-10-20 | Dissolved | SIOUX FALLS |
| Diamond Realty LLP | DR001735 | 2015-08-13 | Active | Watertown |
| DIAMOND REALTY, LLC | DL014110 | 2007-06-20 | Inactive | SIOUX FALLS |
| DIAMOND RESOURCES, INC. | FB017877 | 1995-05-12 | Revoked | WILLISTON |
| Diamond Ridge Apartments, LLC | DL216888 | 2021-12-21 | Active | Sioux Falls |
| Diamond Ridge Construction, LLC | DL234828 | 2022-10-03 | Dissolved | Rapid City |
| Diamond Ridge Exteriors LLC | DL185560 | 2020-08-04 | Dissolved | RAPID CITY |
| Diamond Ridge Farms, LLC | DL329880 | 2026-05-28 | Active | Freeman |
| Diamond Ridge, LLC | DL324776 | 2026-03-31 | Active | Rapid City |
| Diamond Ring Equestrian | NS164126 | 2019-05-03 | Dissolved | — |
| DIAMOND RING FARMS, LLC | DL012924 | 2007-01-09 | Dissolved | HURON |
| DIAMOND RING RANCH, INC. | DF016267 | 1978-12-28 | Inactive | — |
| DIAMOND ROCKER, INC. | DB050957 | 2006-04-07 | Dissolved | Rapid City |
| DIAMOND ROOFING CORPORATION | DB045809 | 2002-08-26 | Active | RAPID CITY |
| Diamond RP Corporation | FB220444 | 2022-02-11 | Revoked | Saint Paul |
| DIAMOND S CONSTRUCTION LLC | DL250953 | 2023-05-16 | Dissolved | FORT PIERRE |
| Diamond S Consulting, LLC | DL226905 | 2022-05-12 | Active | Rapid City |
| Diamond S Heating & Cooling, LLC | DL191149 | 2020-11-12 | Active | IPSWICH |
| Diamond S Land Company, LLC | DL049833 | — | — | — |
| Diamond S Land, LLC | DL050209 | 2016-10-05 | Active | UNION CENTER |
| Diamond S Lodge, LLC | DL251566 | 2023-05-25 | Active | Pierre |
| DIAMOND S PROPERTIES, LLC | DL045525 | 2015-10-19 | Active | BUFFALO |
| DIAMOND S RANCH, LLC | DL020571 | 2010-01-11 | Active | UNION CENTER |
| DIAMOND S, L.L.C. | DL004610 | 2002-04-02 | Inactive | — |
| Diamond S, LLC | DL251565 | 2023-05-25 | Active | Pierre |
| Diamond Shine Cleaning L.L.C | DL178168 | 2020-03-15 | Inactive | brookings |
| DIAMOND SHINE MANAGEMENT SERVICES, INC. | FB032028 | 2007-09-26 | Inactive | WHITE BEAR LAKE |
| DIAMOND SHOE CO., INC. | FB000293 | 1956-06-12 | Inactive | SIOUX CITY |
| Diamond Spur Events, LLC | DL217362 | 2022-01-01 | Active | Bennington |
| Diamond Spur Properties, LLC | DL150718 | 2018-07-05 | Active | Rapid City |
| Diamond Staffing, LLC | DL160225 | 2019-02-11 | Dissolved | Sioux Falls |
| Diamond Stump Grinding LLC | DL214729 | 2021-11-18 | Active | Sioux Falls |
| DIAMOND SURFACE, INC. | FB013536 | 1990-04-23 | Active | ROGERS |
| Diamond T Cattle Company LLC | DL131100 | 2017-02-28 | Dissolved | ONIDA |
| Diamond T Laser Works LLC | DL319705 | 2026-02-02 | Active | New Effington |
| DIAMOND T PROPERTIES, L.L.C. | DL018823 | 2009-04-29 | Active | Faith |
| Diamond T Services, Inc. | FB291268 | 2025-01-17 | Active | Arvada |
| Diamond Tack Co LLC | DL226319 | 2022-05-04 | Dissolved | Oral |
| Diamond Tier Promotions LLC | DL225621 | 2022-04-24 | Dissolved | Sioux falls |
| Diamond Tinting LLC | DL228518 | 2022-06-08 | Active | Rapid City |
| DIAMOND TOWELS AND SCRUBS, LTD. | DB057544 | 2013-02-05 | Active | Rapid City |
| DIAMOND TOWERS IV LLC | FL044646 | 2016-10-18 | Active | Springfield |
| DIAMOND TREK, A LIMITED PARTNERSHIP | FP000461 | 2001-12-17 | Active | MERCER ISLAND |
| Diamond Trim and Cabinetry, LLC | DL209843 | 2021-09-09 | Active | harrisburg |
| DIAMOND TRIUMPH AUTO GLASS, INC. | FB021819 | 1998-09-24 | Revoked | KINGSTON |
| Diamond V Farms, LLLP | DP270428 | 2024-03-11 | Active | HURON |
| DIAMOND V, INC. | DF045257 | 2002-03-25 | Active | Huron |
| DIAMOND VALLEY APARTMENTS, L.L.P. | DR000853 | 2004-11-12 | Active | SIOUX FALLS |
| DIAMOND VALLEY TOWNHOMES ASSOCIATION, INC. | NS012859 | 2005-05-31 | Active | Sioux Falls |
| DIAMOND VALLEY, L.L.P. | DR000508 | 2000-11-27 | Dissolved | SIOUX FALLS |
| DIAMOND VALLEY, L.L.P. | DR200337 | 2021-04-06 | Inactive | SIOUX FALLS |
| Diamond Vault, LLC | DL247227 | 2023-03-24 | Dissolved | Sioux Falls |
| DIAMOND VENTURES, LLC | DL012391 | 2006-10-27 | Dissolved | WATERTOWN |
| Diamond Vogel, Inc. | FB211204 | 2021-09-29 | Active | Orange City |
| DIAMOND W LAND AND CATTLE CO. | DB057493 | 2013-01-24 | Active | MILLER |
| DIAMOND W LIVESTOCK HAULING, LLC | DL004457 | 2002-02-07 | Dissolved | — |
| DIAMOND W MINERALS, L.L.C. | DL017996 | 2008-12-30 | Dissolved | SPEARFISH |
| DIAMOND W RANCH, L.L.C. | DL017995 | 2008-12-30 | Active | SPEARFISH |
| DIAMOND W, INC. | DB005080 | 1965-07-16 | Inactive | — |
| Diamond Wall Systems Inc | FB240733 | 2022-12-20 | Revoked | EAGAN |
| Diamond Wall Systems, Inc. | FB038174 | 2014-10-15 | Inactive | EAGAN |
| Diamond Warranty Corp. | FB130039 | 2017-01-27 | Active | WILKES-BARRE |
| DIAMOND WATER COMPANY, LLC | DL005430 | 2003-01-09 | Active | RAPID CITY |
| DIAMOND WILLOW MINISTRIES | NS011865 | 2001-10-18 | Dissolved | Fort Thompson |
| Diamond Window Cleaning LLC | DL249247 | 2023-04-22 | Active | Sioux Falls |
| DIAMOND WTG ENGINEERING & SERVICES, INC. | FB037164 | 2013-11-18 | Active | Portland |
| DIAMOND X DRONES, LLC | DL046540 | 2016-01-04 | Dissolved | CROOKS |
| DIAMOND X WESTERN PROPERTIES INC. | DB054213 | 2009-01-06 | Active | SUNDANCE |
| Diamond Z Engineering, Inc. | FB204084 | 2021-06-03 | Active | Cleveland |
| DIAMOND Z ENTERPRISES L.L.C. | DL010095 | 2005-11-02 | Inactive | — |
| DIAMOND, INC. | DB037613 | 1996-08-29 | Dissolved | SPEARFISH |
| DIAMOND-B INDUSTRIES, INC. | FB013227 | 1989-12-06 | Revoked | PIERRE |
| DIAMOND-B INDUSTRIES, INC. | FB005582 | 1976-09-17 | Revoked | PIERRE |
| DIAMONDBACK DAVE, INC. | DB041965 | 1999-10-25 | Active | BROOKINGS |
| Diamondback E&P LLC | FL206596 | 2021-07-16 | Active | Midland |
| Diamondback Excavation, LLC | DL044268 | 2015-07-07 | Dissolved | HERMOSA |
| DIAMONDBACK KENNELS, LLC | DL165785 | 2019-06-10 | Active | Flandreau |
| DIAMONDBACK MORTGAGE GROUP, INC. | FB025988 | 2002-02-25 | Revoked | SCOTTSDALE |
| DIAMONDBACK RANCH L.L.C. | DA000265 | 1994-10-11 | Inactive | WITTEN |
| Diamondback Resources, LLC | DL244724 | 2023-02-17 | Dissolved | Rapid City |
| DIAMONDBACK TRUCKING, INC. | DB040712 | 1998-11-19 | Inactive | — |
| DIAMONDS BOOSTER CLUB | NS013129 | 2006-05-05 | Active | SIOUX FALLS |
| Diamonds in the Rough, LLC | DL247828 | 2023-04-03 | Active | Huron |
| Diamonds In The Ruff Grooming LLC | DL259949 | 2023-10-02 | Active | Sioux Falls |
| Dian Bush Holding LLC | DL192881 | 2020-12-15 | Active | Sioux Falls |
| Diana Angel Project, LLC | DL231826 | 2022-08-02 | Active | Clear Lake |
| Diana Cruz therapy LLC | DL327408 | 2026-04-29 | Active | Sioux Falls |
| DIANA LATINOW, DDS, MSD, P.C. | DB054838 | 2009-10-09 | Dissolved | EDGEMONT |
| Diana's Cleaning, LLC | DL319405 | 2026-01-29 | Active | sioux falls |
| Diandrew Too, LLC | DL226382 | 2022-05-04 | Active | Sioux Falls |
| DIANDREW, LLC | DL023555 | 2011-01-19 | Inactive | Sioux Falls |
| DIANE & KELLI, LTD. | DB038738 | 1997-06-25 | Inactive | — |
| Diane Cox, LLC | DL127692 | 2016-11-14 | Active | Sioux Falls |
| Diane Douiyssi LLC | DL218309 | 2022-01-12 | Active | Sioux Falls |
| Diane Holmes Family, LLC | DL164598 | 2019-05-13 | Dissolved | Missoula |
| Diane Joy Beardsley LLC | DL187796 | 2020-09-16 | Dissolved | Rapid City |
| Diane R. Broadwater LLC | DL048810 | 2016-06-08 | Suspended | Rapid City |
| Diane Sorensen Coaching L.L.C. | DL180794 | 2020-05-01 | Active | Brookings |
| Diane/Descendants' 2021 SD Pot TR, LLC | DL211280 | 2021-09-29 | Active | Metairie |
| Dianna E. Zuendel DAPT, LLC | DL169047 | 2019-08-21 | Active | Sioux Falls |
| Dianne Erdmann VO, LLC | DL221801 | 2022-03-02 | Active | Sioux Falls |
| DIANNE SCHOCK, INC. | FB006301 | 1978-07-10 | Inactive | BISMARCK |
| DIAPHANE LLC | DL299869 | 2025-05-08 | Active | RAPID CITY |
| Diarraby dispatching service llc | DL247713 | 2023-03-31 | Dissolved | Sioux falls |
| Diarraby LLC | DL225285 | 2022-04-20 | Active | Sioux falls |
| DIASORIN INC. | FB031908 | 2007-08-14 | Active | Stillwater |
| DIASORIN MOLECULAR LLC | FL044292 | 2016-04-28 | Active | Cypress |
| Diaspora Chicken Soup Factory Gulf Resident | NS195447 | 2021-01-26 | Dissolved | SIOUX FALLS |
| DIATONIC HEALTHCARE LLC | FL298042 | 2025-04-16 | Suspended | CORAL GABLES |
| DIAZ & ASSOCIATES, INC. | FB032085 | 2007-10-18 | Active | TUSTIN |
| Diaz Brothers Drywall LLC | DL323046 | 2026-03-11 | Active | Watertown |
| Diaz Cleaners LLC | DL263801 | 2023-12-06 | Active | Sioux Falls |
| Diaz cleaning LLC | DL134149 | 2017-06-12 | Dissolved | Sioux Falls |
| Diaz Companies LLC | DL274326 | 2024-05-04 | Dissolved | Sioux Falls |
| DIAZ CONSTRUCTION LLC | DL155938 | 2018-11-02 | Active | SIOUX FALLS |
| DIAZ GROUP SD, LLC | DL208062 | 2021-08-10 | Active | Sioux Falls |
| Diaz LLC | DL045024 | 2015-09-04 | Dissolved | WINNER |
| DIAZ LLC | DL253674 | 2023-06-27 | Active | Rapid City |