| MUSETTE HUSE FAMILY LAND LIMITED PARTNERSHIP | DP000382 | 1994-02-11 | Inactive | — |
| MUSEUM ALLIANCE OF RAPID CITY, INC. | NS008441 | 1987-01-06 | Active | RAPID CITY |
| Museum of Sports History, LLC | DL281340 | 2024-08-19 | Active | SLIDELL |
| MUSEUM OF THE AMERICAN BISON | NS014932 | 2012-09-10 | Dissolved | RAPID CITY |
| MUSEUM OF WILDLIFE, SCIENCE & INDUSTRY | NS008200 | 1985-10-21 | Active | Webster |
| Mushira Savy Company LLC | DL245043 | 2023-02-23 | Suspended | RAPID CITY |
| Mushitz Farm, LLC | DL147184 | 2018-04-20 | Active | Geddes |
| MUSHITZ RINGNECKS, LLC | DL009812 | 2005-09-09 | Active | GEDDES |
| Mushki LLC | DL210810 | 2021-09-23 | Active | PIERRE |
| Mushmelon Media LLC | DL130522 | 2017-02-09 | Dissolved | Sioux Falls |
| Mushmelon Music LLC | DL040893 | 2014-10-28 | Dissolved | MADISON |
| MUSHROOM TREE OF AMERICA, INC. | DB025920 | 1986-12-12 | Inactive | — |
| MUSHY'S, LLC | DL035094 | 2013-09-12 | Active | CENTERVILLE |
| Music #2 LLC | DL130133 | 2017-01-30 | Active | Rapid City |
| MUSIC & MORE STORE, LTD. | FB028343 | 2004-03-18 | Inactive | SCOTTSBLUFF |
| Music Adds Up | RS006036 | — | Unknown | — |
| Music Adds Up | NS049691 | 2015-06-23 | Active | RAPID CITY |
| MUSIC AND VENDING ASSOCIATION OF SOUTH DAKOTA | NS000493 | 1947-02-25 | Active | Pierre |
| Music Audience Exchange, Inc. | DB306985 | 2025-08-13 | Active | Frisco |
| Music Buddies Publishing, LLC | DL328998 | 2026-05-18 | Active | Yankton |
| Music by Design LLC | DL145715 | 2018-03-21 | Dissolved | sioux falls |
| MUSIC CENTER, INC. | DB005489 | 1966-07-21 | Dissolved | — |
| MUSIC EDUCATORS NATIONAL CONFERENCE | FN011281 | 2011-11-14 | Revoked | RESTON |
| MUSIC ELECTRONICS PRO AUDIO, PAGING, VIDEO LLC | DL009114 | 2005-04-29 | Inactive | WATERTOWN |
| Music for Many, LLC | DL039316 | 2014-06-23 | Dissolved | SIOUX FALLS |
| MUSIC IS THE MASTER, INC. | DB038075 | 1997-01-02 | Inactive | — |
| MUSIC MARQUET PRODUCTIONS, INC. | DB040965 | 1999-01-13 | Inactive | — |
| MUSIC ON WHEELS, INC. | DB019334 | 1979-12-26 | Inactive | — |
| MUSIC SERVICE AND VENDING MACHINES, INCORPORATED | FB006169 | 1978-03-02 | Revoked | MARSHALL |
| MUSIC SERVICE OF SOUTH DAKOTA, INC. | DB028557 | 1989-07-14 | Dissolved | — |
| Music Services, LLC | DL043183 | 2015-04-10 | Active | AVON |
| Music Therapy Empowers, LLC | DL043450 | 2015-04-16 | Active | Elkton |
| MUSIC THERAPY SERVICES OF SOUTH DAKOTA, LLC | DL024864 | 2011-06-03 | Active | SIOUX FALLS |
| MUSICAL EDGE DJ SERVICE, LLC | DL022663 | 2010-10-20 | Inactive | SIOUX FALLS |
| Musical Minds Online | NS330353 | 2026-06-03 | Active | Sisseton |
| MUSICAR AUDIO, LLC | DL032257 | 2013-04-29 | Active | SPEARFISH |
| MUSICAT ENTERPRISES, INC. | DB047888 | 2004-02-04 | Inactive | — |
| MUSICK & ASSOCIATES, INC. (MITCHELL) | DB010450 | 1971-02-04 | Inactive | — |
| MUSICK ENTERPRISES, INC. | DB018886 | 1979-07-18 | Dissolved | MITCHELL |
| MUSICK FAMILY, INC. | DB023043 | 1984-01-06 | Dissolved | MITCHELL |
| Musick Glass L.L.C. | DL327846 | 2026-05-04 | Active | Mitchell |
| MUSICK LIVESTOCK, L.L.C. | DL003510 | 2001-01-19 | Active | MITCHELL |
| MUSICK PROPERTIES L.L.C. | DL002666 | 1999-12-28 | Active | MITCHELL |
| MUSICLAND RETAIL, INC. | FB016455 | 1993-10-29 | Revoked | MINNETONKA |
| MUSICPRO INSURANCE AGENCY LLC | FL000810 | 2000-11-13 | Active | WOODBURY |
| MUSIVEND ENTERPRISES, INC. | DB012086 | 1974-01-08 | Dissolved | humboldt |
| MUSIVEND MORTGAGE COMPANY, INC. | DB030148 | 1991-01-04 | Dissolved | — |
| Musivend Pink Ladies | NS198347 | 2021-03-10 | Dissolved | SIOUX FALLS |
| MUSKA ELECTRIC CO. | FB036673 | 2013-04-05 | Active | Roseville |
| MUSKA PLUMBING, LLC | FL006824 | 2013-04-05 | Revoked | ROSEVILLE |
| Muska Plumbing, LLC | FL206124 | 2021-07-08 | Active | Roseville |
| Muske Real Estate Holdings LLP | DR288555 | 2024-12-09 | Active | IPSWICH |
| MUSKEGON LODGING, L.L.C. | DL004405 | 2002-01-25 | Dissolved | — |
| MUSKEGON SUPER 8 MOTEL, INC. | DB024208 | 1985-02-21 | Dissolved | — |
| MUSKELLUNGE LLC | FL259322 | 2023-09-21 | Active | PETALUMA |
| MUSKET CORPORATION | FB030857 | 2006-08-09 | Active | OKLAHOMA CITY |
| Musketeer Consulting Services, LLC | DL283989 | 2024-09-27 | Dissolved | Rapid City |
| Muskoka East LLC | DL217398 | 2021-12-29 | Active | Sioux Falls |
| Muskoka Partners, LLC | DL157325 | 2019-01-01 | Active | SIoux Falls |
| MUSKRAT FARM SUPPLY, INC. | DB045773 | 2002-08-09 | Active | EDEN |
| Muskrat Technologies, LLC | DL166410 | 2019-06-22 | Dissolved | Buffalo |
| Muslim Atiq, MD Prof. LLC | DL181287 | 2020-05-11 | Active | Sioux Falls |
| MUSLIM YOUTH CENTER OF SOUTH DAKOTA | NS191037 | 2020-11-10 | Dissolved | Sioux Falls |
| MUSLIMS COMMUNITY CENTER OF SOUTH DAKOTA | NS014365 | 2010-07-15 | Active | SIOUX FALLS |
| MUSLIMS EDUCATING AND ENLIGHTENING MUSLIMS | NS013781 | 2008-07-14 | Dissolved | Sioux Falls |
| MUSLIMS STUDENTS ASSOCIATION OF SOUTH DAKOTA | NS013693 | 2008-04-09 | Dissolved | — |
| MUSSEL COVE ASSOCIATION | 19560053ND | 1956-06-11 | Suspended | — |
| MUSSELMAN & HALL CONTRACTORS, LLC | FL006969 | 2013-07-15 | Revoked | Overland Park |
| MUSSELMANN LIMITED PARTNERSHIP | DP000502 | 1995-10-17 | Inactive | — |
| Mussetter Farms, LLC | DL264790 | 2023-12-20 | Active | Sisseton |
| MUSSON BROS., INC. | FB038425 | 2015-03-30 | Active | RHINELANDER |
| Mustache Handyman L.L.C. | DL292421 | 2025-02-03 | Active | VEBLEN |
| MUSTACHE JONES INDUSTRIES LLC | DL260964 | 2023-10-18 | Dissolved | BOX ELDER |
| MUSTAFA PERSONAL TRAINING LLC | DL228871 | 2022-06-14 | Dissolved | SIOUX FALLS |
| Mustang Air, LLC | DL037528 | 2014-02-20 | Active | Sioux Falls |
| MUSTANG AVIATION INC. | DB036188 | 1995-08-28 | Active | PIERRE |
| MUSTANG AVIATION, INC. | RS005669 | — | Active | — |
| MUSTANG ENTERPRISES INC. | DB051866 | 2006-12-28 | Dissolved | SIOUX FALLS |
| MUSTANG ENTERPRISES, L.L.C. | DL002296 | 1999-06-01 | Inactive | — |
| MUSTANG ENTERPRISES, LTD. | DB027808 | 1988-11-01 | Inactive | — |
| MUSTANG GEOPHYSICAL COMPANY | FB010007 | 1985-01-14 | Revoked | CARSON CITY |
| MUSTANG GROUP, LLC | DL019829 | 2009-09-25 | Dissolved | WOLSEY |
| Mustang II, LLC | DL229710 | 2022-06-29 | Inactive | Sioux Falls |
| Mustang Industries, LLC | DL047697 | 2016-03-23 | Dissolved | MADISON |
| Mustang Leasing, LLC | DL235282 | 2022-09-23 | Active | Sioux Falls |
| MUSTANG LINE CONTRACTORS, INC. | FB028050 | 2003-12-22 | Revoked | SPOKANE |
| MUSTANG MEADOWS L.L.C. | DL000814 | 1996-05-02 | Inactive | — |
| MUSTANG MOTORCYCLE PRODUCTS, INC. | FB029206 | 2004-12-13 | Revoked | TERRYVILLE |
| MUSTANG MOTORCYCLE PRODUCTS, LLC | FL005452 | 2010-12-23 | Active | Three Rivers |
| MUSTANG PASS, LLC | DL030704 | 2012-12-26 | Active | Brandon |
| Mustang Property Management LLC | DL279147 | 2024-07-18 | Active | Sioux Falls |
| MUSTANG SALLY'S, INC. | DB044211 | 2001-06-08 | Active | DEADWOOD |
| MUSTANG SEEDS, INC. | DB003316 | 1963-08-23 | Active | MADISON |
| MUSTANG SHELBY COBRA MUSEUM, LLC | FL002849 | 2006-03-08 | Inactive | LAS VEGAS |
| Mustang Summit, LLC | DL184345 | 2020-07-10 | Dissolved | Rapid City |
| Mustang TX LLC | DL224432 | 2022-04-07 | Dissolved | Lawrenceville |
| Mustang Ventures LLC | DL217776 | 2022-01-04 | Active | Mount Vernon |
| MUSTANG, INC. WE BELIEVE IN THE FUTURE, BECAUSE WE ARE THE FUTURE | DB023556 | 1984-06-28 | Inactive | — |
| Mustang, LLC | DL140842 | 2017-12-11 | Inactive | Watertown |
| Mustangs 605, LLC | DL169542 | 2019-08-30 | Inactive | Humboldt |
| Mustard Faith Ministries Inc. | NS137483 | 2017-09-25 | Dissolved | SIOUX FALLS |
| MUSTARD FAITH MINISTRIES INC. | NS015026 | 2013-01-10 | Dissolved | GARRETSON |
| Mustard Seed Care L.L.C | DL281540 | 2024-08-22 | Dissolved | sioux falls |
| MUSTARD SEED CHRISTIAN SCHOOL, LLC | DL008076 | 2004-10-20 | Dissolved | — |
| Mustard Seed Initiatives, Inc. | NS300778 | 2025-05-21 | Active | LAKE ANDES |
| Mustard Seed LLC | DL230660 | 2022-07-15 | Dissolved | SIOUX FALLS |
| MUSTARD SEED, INC. | DB038874 | 1997-07-31 | Dissolved | RAPID CITY |
| Muston Equities, LLC | DL238836 | 2022-11-17 | Active | Sioux Falls |
| MUSTON INVESTMENTS, LLC | DL017622 | 2008-10-29 | Inactive | EDEN PRAIRIE |
| MUSTY-BARNHART AGENCY, INC. | FB018507 | 1995-12-22 | Revoked | RED WING |
| MUSTY-BARNHART AGENCY, INC. | FB021709 | 1998-08-27 | Revoked | RED WING |
| MUSU LOGISTICS LLC | DL283526 | 2024-09-20 | Dissolved | SIOUX FALLS |
| Musukuta Merchandise and Delivery Service LLC | DL259334 | 2023-09-22 | Inactive | Sioux Falls |
| Mutable Technologies, LLC | DL306898 | 2025-08-12 | Active | Watertown |
| MUTCH INVESTMENTS LIMITED PARTNERSHIP | DP000762 | 1997-12-01 | Inactive | — |
| MUTCHLER PROPERTIES, LLC | DL029164 | 2012-08-20 | Inactive | STURGIS |
| MUTCHLER'S DAKOTA GOLD MUSTARD, L.L.C. | DL010447 | 2005-12-30 | Inactive | — |
| Muted Haven LLC | DL162452 | 2019-03-29 | Inactive | Sioux Falls |
| MUTH CAPITAL L.L.C. | DL003647 | 2001-03-26 | Inactive | — |
| MUTH COMMUNICATIONS, INC. | DB014174 | 1977-02-28 | Dissolved | — |
| Muth Drone Works, LLC | DL284868 | 2024-10-10 | Active | Sioux Falls |
| MUTH ELECTRIC, INC. | DB045549 | 2002-06-07 | Active | MITCHELL |
| MUTH ELECTRIC, INC. | DB012785 | 1975-03-03 | Inactive | — |
| Muth Exchange, LLC | DL260895 | 2023-10-17 | Dissolved | Sioux Falls |
| Muth Exteriors Inc. | DB186461 | 2020-08-21 | Dissolved | Canova |
| MUTH FARMS L.L.C. | DL030169 | 2012-11-27 | Active | MITCHELL |
| Muth Holdings, L.L.C. | DL044718 | 2015-08-13 | Active | Rapid City |
| MUTH HOMES, INC. | DB046564 | 2003-03-07 | Dissolved | RAPID CITY |
| MUTH INSURANCE SOLUTIONS, LLC | DL025710 | 2011-09-14 | Inactive | BRITTON |
| MUTH LAKE LLC | DL018367 | 2009-02-26 | Active | MITCHELL |
| Muth Media LLC | DL233398 | 2022-08-26 | Active | St. Louis |
| MUTH PROPERTIES L.L.C. | DL001082 | 1996-12-31 | Active | MITCHELL |
| MUTH TEAM REAL ESTATE, LLC | DL043544 | 2015-05-04 | Active | SIOUX FALLS |
| Muthukumarappan, LLC | DL127863 | 2016-11-18 | Dissolved | SIOUX FALLS |
| MUTT CHASSIS, LLC | DL012278 | 2006-10-12 | Dissolved | ABERDEEN |
| MutterDesigns LLC | DL154253 | 2018-09-25 | Dissolved | Piedmont |
| Muttlys Bar & Grill LLC | DL221790 | 2022-03-02 | Dissolved | Clear Lake |
| MUTTS & MANNERS, LLC | DL251856 | 2023-05-30 | Dissolved | Pierre |
| MUTUAL ASSISTANCE ASSOCIATION OF SOUTH DAKOTA | NS006986 | 1980-08-29 | Inactive | — |
| MUTUAL BENEFIT ASSOCIATION | IN000064 | 1933-12-11 | Active | — |
| MUTUAL BENEFIT FINANCIAL SERVICE COMPANY | FB004443 | 1973-08-07 | Revoked | PROVIDENCE |
| MUTUAL BENEFIT MARKETING GROUP, INC. | FB014707 | 1991-07-29 | Revoked | NEWARK |
| MUTUAL BRIDGE LLC | DL016530 | 2008-05-21 | Inactive | — |
| MUTUAL CREDIT COMPANY LLC | DL010763 | 2006-02-22 | Inactive | — |
| MUTUAL HEALTH AGENCY OF GREENE N.Y., INC. | FB019060 | 1996-06-20 | Revoked | LIVERPOOL |
| MUTUAL MARKETING GROUP, INC. | FB024879 | 2001-03-02 | Inactive | SARASOTA |
| MUTUAL MED BENEFIT ADMINISTRATORS, INC. | FB027683 | 2003-09-10 | Inactive | DAVENPORT |
| MUTUAL MED INSURANCE SERVICES OF SOUTH DAKOTA LLC | DL021586 | 2010-05-24 | Active | DAVENPORT |
| MUTUAL MED INSURANCE SERVICES, LLC | FL004576 | 2009-05-18 | Active | DAVENPORT |
| MUTUAL MED, INC. | FB014795 | 1991-09-11 | Revoked | DAVENPORT |
| MUTUAL MED, INC. | FB257270 | 2023-08-23 | Active | DAVENPORT |
| MUTUAL MED, INC. | FB032490 | 2008-03-14 | Revoked | DAVENPORT |
| Mutual of America Insurance Agency LLC | FL181942 | 2020-05-21 | Active | New York |
| MUTUAL OF AMERICA SECURITIES LLC | FL187241 | 2020-09-04 | Active | New York |
| MUTUAL OF OMAHA FUND MANAGEMENT COMPANY | FB004315 | 1973-03-23 | Inactive | OMAHA |
| MUTUAL OF OMAHA MARKETING CORPORATION | FB011759 | 1987-10-23 | Active | OMAHA |
| MUTUAL OF OMAHA MORTGAGE SERVICING, INC. | FB253008 | 2023-06-16 | Active | Irvine |
| MUTUAL OF OMAHA MORTGAGE, INC. | FB155739 | 2018-10-29 | Active | SAN DIEGO |
| MUTUAL OF OMAHA MORTGAGE, LLC | FL044358 | 2016-05-27 | Inactive | OMAHA |
| MUTUAL OF OMAHA OF SOUTH DAKOTA & COMMUNITY HEALTH PLUS HMO, INC. | DB035515 | 1995-03-08 | Dissolved | — |
| Mutual PEO, Inc | FB311339 | 2025-10-13 | Active | Tampa |
| MUTUAL REALTY COMPANY | DB006604 | 1908-05-04 | Dissolved | — |
| Mutual Resource Group, LLC | DL200344 | 2021-04-07 | Active | Cheyenne |
| MUTUAL SERVICE CORPORATION | FB010406 | 1985-08-26 | Inactive | LANSING |
| MUTUAL SERVICE CORPORATION DBA MUTUAL SERVICE CORPORATIN (WASHINGTON) | FB030176 | 2005-12-02 | Inactive | FEDERAL WAY |
| MUTUAL THEATRE, INC. | 19310011D | 1931-05-05 | Merged | — |
| MUTUAL VENTURES OF SOUTH DAKOTA, INC. | DB028872 | 1989-11-14 | Dissolved | — |
| MUTUAL WEST, INC. | FB031627 | 2007-05-07 | Revoked | LA VERNE |
| Mutual Work Comp Solutions, LLC | FL241521 | 2023-01-04 | Active | Atlanta |
| Mutziger Construction, Inc. | DB059350 | 2014-08-29 | Dissolved | Arlington |
| Muve Healthcare, LLC | FL256964 | 2023-08-18 | Active | League City |
| Muvico, LLC | FL277473 | 2024-06-21 | Active | Leawood |
| MUX CONSTRUCTION, INC. | DB052548 | 2007-07-05 | Active | Sioux Falls |
| MUXEN FARMS, INC. | DF039897 | 1998-04-07 | Inactive | — |
| MUXEN LAND COMPANY, LLLP | DP002599 | 2013-09-16 | Active | RAPID CITY |
| MUZAK LLC | FL130542 | 2017-02-10 | Active | Fort Mill |
| Muzik Aviation, LLC | DL047015 | 2016-02-08 | Dissolved | WATERTOWN |
| Muzzle Loaders of the Black Hills | NS208656 | 2021-08-19 | Dissolved | Rapid City |
| MUZZY-LYON AUTO PARTS, INC. | FB036554 | 2013-02-08 | Inactive | SOUTHFIELD |
| MV AGUSTA USA LLC | FL156547 | 2018-11-19 | Active | BRISTOL |
| MV COMMODITIES LLC | DL242195 | 2023-01-13 | Active | SIOUX FALLS |
| MV Construction LLC | DL265288 | 2024-01-01 | Active | Parker |
| MV Construction, LLC | DL227699 | 2022-05-25 | Dissolved | Davis |
| MV Consulting Inc. | FB291565 | 2025-01-22 | Active | THORNTON |
| MV Contracting LLC | DL328271 | 2026-05-08 | Active | Rapid City |
| MV ENTERPRISES, LLC | DL010479 | 2006-01-03 | Active | SIOUX FALLS |
| MV Feeders, LLC | DL145204 | 2018-03-12 | Active | Lake Preston |
| MV Health LLC | DL290253 | 2025-01-03 | Active | Sioux Falls |
| MV Rentals LLC | DL231700 | 2022-07-30 | Dissolved | Sioux Falls |
| MV SALES AND LEASING, INC. | FB034471 | 2010-07-07 | Inactive | FAIRFIELD |
| MV TECHNOLOGIES, INC. | FB016965 | 1994-05-25 | Revoked | AKRON |
| MV2017 SD PPLI-01 LLC | DL133801 | 2017-05-30 | Active | Rapid City |
| MVA SOFTWARE, LLC | DL024307 | 2011-04-06 | Inactive | SIOUX FALLS |
| MVAQ Holdings LLC | DL331587 | 2026-06-19 | Active | Watertown |
| MVB ENTERPRISES, LLC | DL028920 | 2012-07-24 | Dissolved | SIOUX FALLS |
| MVB Financial LLC | DL136846 | 2017-09-08 | Inactive | SIOUX FALLS |
| MVB PROPERTIES, INC. | DB039194 | 1997-11-03 | Active | SIOUX FALLS |
| MVBM LLC | DL039108 | 2014-06-06 | Dissolved | RAPID CITY |
| MVC LLC | DL020769 | 2010-02-09 | Active | SIOUX FALLS |
| MVC Real Estate, LLC | DL041481 | 2014-12-11 | Active | Montrose |