| Marina View Condominiums Homeowners Association | — | NS133766 | 2017-05-26 | Active | YANKTON |
| Marina View Development, LLC | — | DL044450 | 2015-07-21 | Active | Yankton |
| Marina Vista Holdings, LLC | — | DL264445 | 2023-12-14 | Dissolved | Rapid City |
| MARINE AGENCY CORPORATION | — | FB032884 | 2008-08-18 | Active | SOMERVILLE |
| MARINE AND BOND INSURANCE AGENCY, INC. | — | FB039337 | 2016-05-20 | Active | NEWPORT BEACH |
| MARINE CORPS LEAGUE - WARRIOR DETACHMENT 1388 | — | NS015142 | 2013-06-17 | Suspended | Edgemont |
| MARINE HYDRAULIC ENGINEERING CO., INC. | — | 19650132D | 1965-08-02 | Active | — |
| Marine Intelligence & Solutions, LLC | — | FL310844 | 2025-10-06 | Active | Ponte Vedra |
| MARINE MIDLAND AUTO LEASE CORP. | — | FB013838 | 1990-09-20 | Inactive | BUFFALO |
| MARINE MIDLAND BANK | — | FK006852 | 1979-11-13 | Active | NEW YORK |
| MARINE MIDLAND BUSINESS LOANS, INC. | — | FB015939 | 1993-03-26 | Inactive | BUFFALO |
| MARINE MIDLAND BUSINESS LOANS, INC. | — | FB017553 | 1994-12-30 | Inactive | BUFFALO |
| MARINE MIDLAND LEASING CORPORATION | — | FB010823 | 1986-04-21 | Revoked | BUFFALO |
| MARINE MIDLAND LEASING CORPORATION U.S.A. | — | FB011606 | 1987-07-31 | Inactive | BUFFALO |
| Marine Solutions, Inc. | — | FB316247 | 2025-12-22 | Active | Nicholasville |
| MARINE SPILL RESPONSE CORPORATION | — | FN173469 | 2019-11-25 | Active | Herndon |
| MARINER CONSTRUCTION, INC. | — | FB023684 | 2000-03-20 | Revoked | BISMARCK |
| MARINER FINANCIAL SERVICES, INC. | — | FB015956 | 1993-03-31 | Inactive | LIVONIA |
| Mariner Management, LLC | — | DL047071 | 2016-02-12 | Dissolved | MADISON |
| MARINER PLANNING CORPORATION | — | FB017662 | 1995-02-21 | Inactive | LIVONIA |
| Mariner Trucking LLC | — | DL048597 | 2016-05-23 | Dissolved | Volga |
| Mariner Trust Company, LLC | — | DL035681 | 2013-11-07 | Active | SIOUX FALLS |
| MARINER'S LODGE, NUMBER 53 OF THE INDEPENDENT ORDER OF ODD FELLOWS | — | 19530011ND | 1953-03-30 | Active | — |
| Mariner, LLC | — | FL162835 | 2019-04-05 | Active | Overland Park |
| MARINERS INN LLC | — | DL016724 | 2008-06-13 | Dissolved | MINA |
| MARINERS INN, LLC | — | DL008950 | 2005-04-01 | Inactive | — |
| MARINERSELECT STAFFING SOLUTIONS, INC. | — | FB019646 | 1996-12-19 | Inactive | WILMINGTON |
| MARINOSCI LAW GROUP, P.C. | — | FB174146 | 2019-12-10 | Inactive | WARWICK |
| Mario Lupercio Trucking LLC | — | DL291674 | 2025-01-24 | Dissolved | hill city |
| MARIO'S PAINTING LLC | — | DL286697 | 2024-11-08 | Active | SIOUX FALLS |
| MARION AREA COMMUNITY CLUB | — | NS014920 | 2012-08-23 | Active | MARION |
| MARION AREA JUNIOR CHAMBER OF COMMERCE DBA MARION AREA JAYCEES | — | NS005830 | 1975-08-06 | Inactive | — |
| MARION AREA SENIOR CITIZEN CENTER, INCORPORATED | — | NS005612 | 1974-07-18 | Dissolved | MARION |
| Marion Associates, LLC | — | DL192092 | 2020-12-02 | Inactive | POTOMAC |
| Marion Booster Club | — | NS304631 | 2025-07-15 | Active | Marion |
| MARION BRADLEY VIA MEMORIAL FOUNDATION | — | NS011650 | 2000-12-05 | Active | SIOUX FALLS |
| MARION BRADLEY VIA MEMORIAL FOUNDATION | — | FN010509 | 1997-03-25 | Inactive | SIOUX FALLS |
| MARION CAFE LLC | — | DL313183 | 2025-11-07 | Active | MARION |
| MARION CEMETERY ASSOCIATION | — | NS002504 | 1904-03-14 | Active | MARION |
| Marion Community MHP LLC | — | FL189379 | 2020-10-14 | Active | Sherman |
| Marion Crossing OZ Fund LLC | — | DL239834 | 2022-12-06 | Active | Watertown |
| Marion Crossing, LLC | — | DL209433 | 2021-09-01 | Active | Watertown |
| MARION DEVELOPMENT CORPORATION | — | DB010435 | 1971-01-26 | Dissolved | — |
| MARION DEVELOPMENT FOUNDATION | — | NS009151 | 1990-04-23 | Active | MARION |
| MARION DIVERSIFIED ENTERPRISES, LTD. | — | FB239121 | 2022-11-22 | Active | Des Moines |
| MARION ECONOMY LODGING, INC. | — | DB038311 | 1997-03-10 | Dissolved | — |
| MARION ENERGY INVESTMENTS, LLC | — | FL004533 | 2009-04-13 | Inactive | MINNEAPOLIS |
| MARION FITZSIMMONDS AMERICAN LEGION POST 160 | — | NS013288 | 2006-12-05 | Active | HILL CITY |
| MARION GRAIN COMPANY | — | DB025224 | 1986-03-17 | Dissolved | — |
| Marion Industrial, LLC | — | FL233370 | 2022-08-25 | Active | Fargo |
| MARION INVESTMENTS, LLC | — | DL177161 | 2020-02-11 | Active | SIOUX FALLS |
| MARION JUNCTION | — | CI000082 | 1920-07-06 | Active | — |
| Marion Lake Property LLC | — | DL190420 | 2020-10-30 | Active | Sioux Falls |
| Marion Lift Station LLC | — | DL334439 | 2026-07-23 | Active | Sherman |
| MARION LUMBER COMPANY | — | CO000304 | 1919-04-07 | Active | MARION |
| Marion Luxury Storage, LLC | — | DL214732 | 2021-11-18 | Active | Fort Pierre |
| Marion Machine, Inc. | — | DB129055 | 2016-12-27 | Active | MARION |
| MARION MANOR, INC. A CORPORATION | — | NS009404 | 1991-05-28 | Inactive | — |
| MARION MEATS, INC. | — | DB046525 | 2003-02-27 | Dissolved | SIOUX FALLS |
| Marion Park Apartments, LLC | — | DL179714 | 2020-04-08 | Inactive | Sioux Falls |
| Marion Park LLC | — | DL316405 | 2025-12-23 | Active | Watertown |
| Marion Park Townhomes, LLC | — | DL164577 | 2019-05-13 | Active | Sioux Falls |
| MARION PLAZA, L.L.C. | — | DL020309 | 2009-12-04 | Inactive | SIOUX FALLS |
| MARION RETIREMENT, L.L.C. | — | DL007597 | 2004-07-09 | Inactive | ABERDEEN |
| MARION ROAD AUTO SERVICE, INC. | — | DB036389 | 1995-11-02 | Dissolved | — |
| MARION ROAD AUTO SERVICE, LLC | — | DL004890 | 2002-07-05 | Inactive | — |
| MARION ROAD CAPITOL, INC. | — | DB039636 | 1998-02-05 | Dissolved | — |
| MARION ROAD CHILD CARE CENTER, LLC | — | DL001833 | 1998-08-31 | Inactive | — |
| MARION RURAL CEMETERY ASSOCIATION | — | NS013668 | 2008-03-11 | Active | Marion |
| Marion SCS Capture LLC | — | FL254325 | 2023-07-10 | Active | Ames |
| Marion Square LLC | — | DL252305 | 2023-06-06 | Active | Watertown |
| MARION STEAKHOUSE, INC. | — | DB033709 | 1993-12-10 | Dissolved | — |
| MARION TOWN HOUSE APARTMENTS, INC. | — | NS005212 | 1972-11-29 | Active | MARION |
| Marion Townhomes, LLC | — | DL198300 | 2021-03-09 | Active | Sioux Falls |
| Marion Twelfth NE LLC | — | DL146994 | 2018-04-17 | Dissolved | Sioux Falls |
| MARION VOLUNTEER FIRE DEPARTMENT | — | NS013599 | 2007-12-21 | Active | MARION |
| MARION YOUNG, L.L.C. | — | DL173587 | 2019-11-27 | Inactive | SPOKANE |
| MARION'S GARDEN APARTMENTS, INC. | — | DB033481 | 1993-09-30 | Inactive | — |
| MARION'S GARDEN MARINA ASSOCIATION | — | NS011299 | 1999-07-07 | Active | FORT PIERRE |
| Marion's Song | — | NS322716 | 2026-03-08 | Active | Sioux Falls |
| MARIPOSA GAMING, INC. | — | DB041998 | 1999-11-02 | Inactive | — |
| MARIPOSA LLC | — | DL213778 | 2021-11-04 | Active | SIOUX FALLS |
| Marique Bay, LLC | — | DL235462 | 2022-09-26 | Active | Sioux Falls |
| Marique Blue, LLC | — | DL235522 | 2022-09-27 | Active | Sioux Falls |
| Marique Gold, LLC | — | DL235518 | 2022-09-27 | Active | Sioux Falls |
| MARIQUE PACIFIC, LLC | — | DL006534 | 2003-11-20 | Inactive | — |
| MARIS COMPANY | — | DB043036 | 2000-07-13 | Dissolved | — |
| Marisa Wollman Homes LLC | — | DL322404 | 2026-03-04 | Active | Rapid City |
| MARISAN DISTRIBUTORS, INC. | — | FB028186 | 2004-01-29 | Inactive | SIOUX FALLS |
| Marisan Group Inc | — | FB145506 | 2018-03-16 | Inactive | Palo Alto |
| Mariselas Rentals, LLC | — | DL174509 | 2019-12-17 | Active | Dakota Dunes |
| Marison and Cook LLC | — | DL163527 | 2019-04-22 | Dissolved | Watertown |
| Marissa Merchant Interiors, LLC | — | DL210663 | 2021-09-21 | Active | Dakota Dunes |
| MARIST SOCIETY, INC. | — | NS011731 | 2001-04-09 | Inactive | — |
| MARITA CORP. | — | DB036358 | 1995-10-23 | Inactive | — |
| MARITIME CONSTRUCTION INC. | — | 19630102D | 1963-10-18 | Suspended | — |
| Maritime Flyer Commerce LLC | — | DL302651 | 2025-06-17 | Active | Watertown |
| MARITIME INSURANCE GROUP, INC. | — | FB023650 | 2000-03-10 | Inactive | SHEBOYGAN |
| MARITIME PROGRAM GROUP, INC. | — | FB033813 | 2009-09-21 | Active | WESTBROOK |
| MARITZ ENTERPRISES, INC. | — | DB024295 | 1985-03-25 | Inactive | — |
| MARITZ MFG LTD | — | NS309204 | 2025-09-14 | Active | Pierre |
| Maritza Madsen Consulting Services LLC | — | DL213678 | 2021-11-03 | Dissolved | Rapid City |
| Marius Pharmaceuticals LLC | — | FL237113 | 2022-10-20 | Inactive | Raleigh |
| MARIUS PHARMACEUTICALS, INC. | — | FB287070 | 2024-11-13 | Active | RALEIGH |
| MARIX SERVICING LLC | — | FL003424 | 2007-04-04 | Inactive | TEMPE |
| Marixor Holdings Corp | — | DB318835 | 2026-01-23 | Active | Fountain Valley |
| MARJAN CORPORATION | — | FB020918 | 1998-01-20 | Revoked | WAUWATOSA |
| Marjen Consulting, LLC | — | DL270555 | 2024-03-12 | Active | SIOUX FALLS |
| Marjen Enterprises LLC | — | DL239276 | 2022-11-28 | Active | Hardeeville |
| MARJORIE ARLENE KRUEGER FAMILY, LLC | — | DA014478 | 2007-08-16 | Active | SIOUX FALLS |
| Marjorie Herseth LLLP | — | FP195321 | 2021-01-25 | Active | GOLDEN |
| MARJOS HOLDING LLC | — | DL139830 | 2017-11-15 | Active | Sioux Falls |
| Mark & Char Kronaizl Farms, LLC | — | DL175830 | 2020-01-15 | Active | Tabor |
| MARK & LYDIA, L.L.C. | — | DL003979 | 2001-08-06 | Inactive | YANKTON |
| MARK 21 TRADING COMPANY, INC. | — | DB028905 | 1989-11-22 | Inactive | — |
| MARK 21, INCORPORATED | — | DB027782 | 1988-10-20 | Inactive | — |
| MARK A V ANDERSON ENTERPRISES LLC | — | DL036500 | 2013-12-17 | Inactive | BRISTOL |
| MARK A. FETZER, INC. | — | DB038097 | 1997-01-08 | Active | Rapid City |
| Mark A. Mahnke LLC | — | DL050106 | 2016-09-28 | Dissolved | JEFFERSON |
| Mark A. Terry, DDS, PC | — | DB150898 | 2018-07-10 | Active | Rapid City |
| Mark A. Thompson CPA, LLC | — | DL289139 | 2024-12-17 | Active | Rapid City |
| Mark Abeln Farms, LLC | — | DA178742 | 2020-03-13 | Active | Groton |
| MARK ALAN INCORPORATED | — | DB049082 | 2004-12-29 | Active | MINA |
| MARK ALBENESIUS RENTALS, L.L.C. | — | DL030371 | 2012-12-10 | Active | Yankton |
| MARK ALBENESIUS, INC. | — | FB035877 | 2012-04-02 | Active | SOUTH SIOUX CITY |
| MARK ALLEN KOEHN, P.C. | — | DB042706 | 2000-04-18 | Active | Rapid City |
| Mark and Erica Bukovich, LLC | — | DL128486 | 2016-12-09 | Active | Sioux Falls |
| MARK AND LISA EHRHART LLC | — | DL002861 | 2000-03-20 | Inactive | VENICE |
| MARK AND PAULA THOMPSON, INC. | — | DB028449 | 1989-06-01 | Inactive | SIOUX FALLS |
| Mark Anderson and Associates, Incorporated | — | FB301605 | 2025-06-03 | Active | Elmwood |
| MARK ANDERSON WILDLIFE ART, INC. | — | DB049571 | 2005-04-13 | Inactive | SIOUX FALLS |
| MARK ANDERSON WILDLIFE ART, LLC | — | DL025776 | 2011-09-13 | Dissolved | SIOUX FALLS |
| MARK ANTHONY BRANDS INC. | — | FB291558 | 2025-01-22 | Active | CHICAGO |
| MARK AVERY ART & SIGN COMPANY | — | DB033155 | 1993-06-21 | Active | Mccook Lake |
| Mark Beitelspacher Management, LLC | — | DL211354 | 2021-09-30 | Active | Bowdle |
| MARK BEITELSPACHER REAL ESTATE LIMITED PARTNERSHIP | — | DP211560 | 2021-10-04 | Active | — |
| MARK BELYEA, M.D., P.C. | — | DB037769 | 1996-10-16 | Dissolved | Huron |
| MARK BONTREGER, INC. | — | DB044597 | 2001-10-05 | Active | Watertown |
| Mark Brown Ministries LLC | — | DL171582 | 2019-10-14 | Dissolved | Watertown |
| Mark C. Berdahl, D.D.S., P.C. | — | DB036593 | 1995-12-26 | Dissolved | SIOUX FALLS |
| Mark C. Carstensen Counsulting, LLC | — | DL281706 | 2024-08-25 | Dissolved | Sturgis |
| MARK C. NIELSEN, D.D.S., P.C. | — | DB032500 | 1993-01-04 | Dissolved | PIERRE |
| MARK CHRISTENSEN CONSTRUCTION, INC. | — | DB052519 | 2007-06-27 | Active | Burbank |
| MARK CONTROLS CORPORATION | — | FB009894 | 1977-12-14 | Revoked | SKOKIE |
| MARK CRISP CONSTRUCTION, L.L.C. | — | DL015409 | 2007-12-28 | Dissolved | DELL RAPIDS |
| Mark Cuban Cost Plus Manufacturing and Compounding LLC | — | FL252042 | 2023-06-01 | Active | Dallas |
| MARK DEBOER TRUCKING, LLC | — | DL150279 | 2018-06-26 | Dissolved | CHAMBERLAIN |
| Mark Dott LLC | — | DL230354 | 2022-07-11 | Dissolved | Wentworth |
| MARK E. STOTZ, D.D.S., A PROFESSIONAL L.L.C. | — | DL012608 | 2006-12-01 | Inactive | RAPID CITY |
| MARK EDWARD PARTNERS LLC | — | FL005411 | 2010-11-29 | Active | NEW YORK |
| Mark Enterprises, LLC | — | DL170047 | 2019-09-11 | Dissolved | Sioux Falls |
| MARK F. MARSHALL, P.C. | — | DB038935 | 1997-08-21 | Dissolved | — |
| MARK FISCHBACH MANAGEMENT, LLC | — | DL029961 | 2012-11-08 | Inactive | MELLETTE |
| MARK FISCHBACH REAL ESTATE LIMITED PARTNERSHIP | — | DP002429 | 2012-11-13 | Inactive | MELLETTE |
| MARK G. RUPPEL, LLC | — | DL029936 | 2012-11-07 | Dissolved | CUMBERLAND |
| Mark Gant Farms Inc. | — | DF020843 | 1981-07-29 | Active | GEDDES |
| Mark Gelman Life Insurance, LLC | — | DL286204 | 2024-11-01 | Active | Pierre |
| Mark Groeneweg Construction LLC | — | DL229985 | 2022-07-05 | Active | Platte |
| Mark Gross Trucking, LLC | — | DL295345 | 2025-03-12 | Active | Bridgewater |
| MARK HAMILTON CONSTRUCTION, INC. | — | FB025312 | 2001-07-06 | Revoked | MANVEL |
| Mark Harvey Rentals LLC | — | DL174895 | 2019-12-27 | Active | Huron |
| MARK HERR CONSTRUCTION CO. | — | DB032903 | 1993-04-09 | Dissolved | TEA |
| Mark Hodges Photography LLC | — | DL255718 | 2023-07-31 | Dissolved | Rapid City |
| Mark Hofmann LLC | — | DL213139 | 2021-10-27 | Inactive | East Meadow |
| Mark Hohn's Legacy, LLC | — | DL254463 | 2023-07-11 | Active | Madison |
| MARK IDEAS LLC | — | DL019223 | 2009-06-25 | Dissolved | SIOUX FALLS |
| MARK IV CHRISTIAN YOUTH MINISTRY, INC. | — | FN010038 | 1985-01-29 | Revoked | COAL VALLEY |
| Mark IV LLC | — | DL190399 | 2020-10-30 | Dissolved | SIOUX FALLS |
| MARK JONAS TRUCKING, LLC | — | DL193971 | 2021-01-04 | Active | GARRETSON |
| MARK JUHL AUTO SPORTS, INC. | — | DB047881 | 2004-02-02 | Dissolved | VALLEY SPRINGS |
| MARK K. WILLIAMSON, D.D.S., PROF. L.L.C. | — | DL031199 | 2013-02-04 | Inactive | BRITTON |
| MARK KAYSER ENTERPRISES, INC. | — | DB048240 | 2004-05-06 | Active | SHERIDAN |
| MARK KRACKE CONSULTING, INC. | — | DB047801 | 2004-01-14 | Inactive | — |
| Mark L. Massa, LLC | — | DL233359 | 2022-08-25 | Active | Rapid City |
| MARK LARRY CAROL GILDEMASTER, LLC | — | DL030203 | 2012-11-28 | Active | VIRGIL |
| Mark LeFebre Repair LLC | — | DL137266 | 2017-09-19 | Inactive | MOBRIDGE |
| MARK LUKE COMPANIES, LLC | — | DL049580 | 2016-08-12 | Active | SIOUX FALLS |
| MARK LUKE CONSTRUCTION LLC | — | DL020529 | 2010-01-04 | Active | Sioux Falls |
| MARK LUKE REAL ESTATE, L.L.C. | — | DL023867 | 2011-02-22 | Active | Sioux Falls |
| Mark Luke Residential, LLC | — | DL274080 | 2024-05-01 | Active | Sioux Falls |
| Mark Luke Solar Power, LLC | — | DL049507 | 2016-08-05 | Active | Sioux Falls |
| Mark Luke Wind Energy, LLC | — | DL049506 | 2016-08-05 | Active | Sioux Falls |
| MARK LUNDERS TRUCKING LLC | — | DL028207 | 2012-05-16 | Active | BOX ELDER |
| MARK M. BIERMA, DDS, MS, PLLC | — | DL021063 | 2010-03-24 | Active | SIOUX FALLS |
| MARK MATHIEU CONSTRUCTION, INC. | — | DB050746 | 2006-02-22 | Dissolved | Colton |
| MARK MAYNARD, INC. | — | DF051818 | 2006-12-19 | Active | WATERTOWN |
| MARK MEHLHOFF INSURANCE, INC. | — | DB056641 | 2012-01-30 | Active | ABERDEEN |
| MARK MY WORDS! LLC | — | DL019449 | 2009-07-29 | Dissolved | SIOUX FALLS |
| Mark Nelson Coaching, LLC | — | DL132253 | 2017-04-06 | Dissolved | BELLEVUE |
| Mark O'Loughlen Photography LLC | — | DL232004 | 2022-08-04 | Dissolved | Rapid City |
| MARK OF EXCELLENCE CONSTRUCTION & DEVELOPMENT, LLC | — | DL005934 | 2003-06-02 | Inactive | — |
| MARK ONE CAPITAL, INC. | — | FB031645 | 2007-05-10 | Inactive | CALABASAS |
| Mark P Andreotta Insurance Agency, LLC | — | DL050254 | 2016-10-11 | Active | STURGIS |
| Mark Peterson Construction LLC | — | DL325899 | 2026-04-13 | Active | White |
| MARK PHILLIPS TRUCKING LLC | — | DL024230 | 2011-03-30 | Active | New Underwood |
| Mark R Bunke LLC | — | DL039862 | 2014-08-11 | Active | WESTPORT |
| MARK RAUSEO | — | DT000070 | 2005-12-12 | Active | — |
| Mark Rethke Farm, LLC | — | DL179321 | 2020-03-28 | Active | Milbank |
| MARK RITE LINES OF MONTANA, INC. | — | FB014326 | 1991-03-11 | Inactive | BILLINGS |
| MARK RITE LINES, INC. | — | FB007070 | 1980-05-09 | Inactive | BILLINGS |