| Mayclin Farms Realty LLC | DL167436 | 2019-07-16 | Inactive | Plankinton |
| MayDay Aero, LLC | DL265462 | 2023-12-29 | Active | Sioux Falls |
| Mayday RV Repair and Inspection LLC | DL314556 | 2025-11-26 | Active | Box Elder |
| Mayday Tactical LLC | DL288842 | 2024-12-12 | Active | SPEARFISH |
| MayDay Trim LLC | DL282457 | 2024-09-05 | Active | Sioux falls |
| MayDay, LLC | DL253839 | 2023-06-30 | Active | Sioux Falls |
| MAYELLO TRUCKING LLC | DL322198 | 2026-03-02 | Active | SIOUX FALLS |
| MAYER AG SERVICES, INC. | DB019633 | 1980-04-14 | Active | CHAMBERLAIN |
| MAYER DISTRIBUTING, INC. | DB012261 | 1974-04-18 | Dissolved | — |
| Mayer Equipment, LLC | DL193009 | 2020-12-16 | Active | Pukwana |
| MAYER FAMILY PROPERTY, L.L.C. | DL043019 | 2015-03-30 | Active | PUKWANA |
| MAYER GRAIN AND TRUCKING, LLC | DL027314 | 2012-02-23 | Active | FRANKFORT |
| MAYER PLUMBING INC. | DB029612 | 1990-06-21 | Active | Custer |
| MAYER PROPERTIES, LLC | DL023077 | 2010-12-07 | Active | CHAMBERLAIN |
| MAYER RADIO, INC. | DB013817 | 1976-09-20 | Dissolved | — |
| MAYER RANCHES, INC. | DF020734 | 1981-06-24 | Active | PUKWANA |
| MAYER SIGNS, INC. | DB030846 | 1991-07-31 | Inactive | — |
| MAYER TACKLE LLC | DL015334 | 2007-12-20 | Dissolved | MITCHELL |
| MAYER TRANSPORTATION L.L.C. | DL030787 | 2012-12-31 | Dissolved | RAPID CITY |
| Mayer Transportation LLC | DL239175 | 2022-11-23 | Dissolved | Rapid city |
| MayerHousing LLC | DL236826 | 2022-10-17 | Dissolved | Sioux Falls |
| MAYERS, INC. | DB021295 | 1982-02-04 | Inactive | — |
| Mayes Education, Inc. | FB205595 | 2021-06-30 | Inactive | Forest City |
| MAYFAIR ADVISORY, LLC | DL049975 | 2016-09-19 | Dissolved | SIOUX FALLS |
| MAYFAIR FINANCIAL, LLC | DL049977 | 2016-09-19 | Dissolved | SIOUX FALLS |
| MAYFAIR FURNITURE CO., INC. | 19460070D | 1946-02-12 | Canceled | — |
| Mayfair Holdings LLC | DL295112 | 2025-03-10 | Active | Sioux Falls |
| Mayfair LLC | DL209602 | 2021-09-03 | Active | Pierre |
| MAYFAIR PLACE, LLC | DL029080 | 2012-08-13 | Inactive | SIOUX FALLS |
| MAYFIELD ASSOCIATES | 19310013D | 1931-08-01 | Dissolved | — |
| MAYFIELD AVIARY SERVICES, INC. | DB046307 | 2003-01-02 | Dissolved | SIOUX FALLS |
| Mayfield Bar & Grill, LLC | DL174337 | 2019-12-13 | Active | Irene |
| Mayfield Capital Ventures, LLC | DL254167 | 2023-07-06 | Active | Rapid City |
| MAYFIELD HUTTERIAN BRETHREN, INC. | NS007076 | 1981-01-23 | Active | WILLOW LAKE |
| Mayfield Industrial Door, LLC | FL228840 | 2022-07-01 | Active | Mayfield |
| MAYFIELD LODGING, INC. | DB032287 | 1992-11-04 | Inactive | — |
| MAYFIELD MANUFACTURING MATERIALS, L.L.C. | DL002211 | 1999-04-16 | Active | WILLOW LAKE |
| MAYFIELD OVERSIZE TRANSPORT, INC. | DB043227 | 2000-09-13 | Dissolved | — |
| MAYFIELD PROPERTIES, L.L.C. | DL011104 | 2006-04-11 | Inactive | WILLOW LAKE |
| MAYFIELD SCHOOL | NS007551 | 1983-03-29 | Active | WILLOW LAKE |
| MAYFIELD STRUCTURES, L.L.C. | DL006525 | 2003-11-18 | Dissolved | — |
| MAYFIELD TRUSS, L.L.C. | DL005866 | 2003-05-15 | Active | WILLOW LAKE |
| MAYFIELD-FLEMMER REAL ESTATE, INC. | DB055506 | 2010-07-23 | Dissolved | RAPID CITY |
| MayFitz LLC | DL275147 | 2024-05-16 | Suspended | Watertown |
| Mayflower Capital, LLC | DL236258 | 2022-10-06 | Active | Rapid City |
| Mayflower Dairy, LLC | DL038318 | 2014-04-14 | Dissolved | SIOUX FALLS |
| Mayflower Transit, LLC | FL185591 | 2020-08-05 | Active | Fenton |
| Mayforth, LLC | DL205021 | 2021-06-21 | Dissolved | Sioux Falls |
| Mayhao Holdings LLC | DL332440 | 2026-06-30 | Active | Arcadia |
| Mayhem Enterprises, L.L.C. | DL046670 | 2016-01-13 | Dissolved | HUDSON |
| Mayhem Entertainment LLC | DL307109 | 2025-08-15 | Active | Rapid City |
| Mayhem Mobile Mechanic LLC | DL264096 | 2023-12-10 | Inactive | Harrisburg |
| MAYHEW LIBRARY ASSOCIATION | 18970003ND | 1897-04-29 | Suspended | — |
| MAYLEEN FINANCIAL, INC. | DB020044 | 1980-09-25 | Dissolved | — |
| MAYME JANE'S, LLC | DL032241 | 2013-04-29 | Suspended | LENNOX |
| MAYNARD B. SMITH, ELECTRICAL CONTRACTOR | 19670162D | 1967-08-01 | Suspended | — |
| MAYNARD CONSTRUCTION, LLC | DL202645 | 2021-05-10 | Dissolved | Spearfish |
| Maynard Nexsen PC | FB323051 | 2026-03-11 | Active | Birmingham |
| MAYNARD'S BOOT SHOP | 19460071D | 1946-04-04 | Dissolved | — |
| MAYNARD'S FOOD CENTER OF WESTBROOK, INC. | FB018956 | 1996-05-17 | Active | Elkton |
| MAYNARD'S FOOD CENTER, INC. | DB021799 | 1982-09-13 | Inactive | — |
| MAYNARD'S OF ELKTON, INC. | DB025611 | 1986-08-05 | Inactive | — |
| MAYNES REAL ESTATE, INC. | DB023012 | 1983-12-29 | Inactive | — |
| MAYNOR PROPERTIES LLC | DL028541 | 2012-06-20 | Inactive | BOX ELDER |
| Mayo Apartments, LLC | DL038052 | 2014-03-26 | Active | SIOUX FALLS |
| MAYO AVIATION, LLC | DL011685 | 2006-07-12 | Dissolved | SIOUX FALLS |
| MAYO CONSTRUCTION COMPANY, INC. | FB010179 | 1985-04-17 | Active | CAVALIER |
| MAYO CONSULTING, INC. | DB053177 | 2008-01-14 | Dissolved | CHAMBERLAIN |
| MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH | FN010693 | 2001-09-11 | Active | ROCHESTER |
| MAYO MEDICAL SERVICES, LTD. | FB012939 | 1989-08-25 | Revoked | ROCHESTER |
| MAYO ORTHOPEDICS, LTD. | DB032184 | 1992-09-29 | Inactive | — |
| MAYO WELDING SERVICE, INC. | FB025576 | 2001-10-15 | Revoked | BERTHOUD |
| Mayou Electric LLC | DL047452 | 2016-03-09 | Dissolved | ROSHOLT |
| MayPay, LLC | DL279584 | 2024-07-24 | Active | Sioux Falls |
| Mayra LLC | DL146497 | 2018-04-05 | Dissolved | Mitchell |
| Mayra MJ Styles LLC | DL274462 | 2024-05-06 | Dissolved | Harrisburg |
| MAYRATH INDUSTRIES, INC. | FB003895 | 1971-10-22 | Inactive | DALLAS |
| Mays Alterations & Tailoring, LLC | DL278238 | 2024-07-03 | Active | Sioux Falls |
| MAYS CONCRETE, INC. | FB012235 | 1988-08-04 | Inactive | GRAND JUNCTION |
| MAYS MISSION FOR THE HANDICAPPED, INC. | FN010381 | 1992-08-14 | Active | HEBER SPRINGS |
| Mays Mobile Mechanic LLC | DL332155 | 2026-06-27 | Active | Sturgis |
| Mays, LLC | DL174422 | 2019-12-16 | Active | Sioux Falls |
| Maysa Oakly Photography LLC | DL047734 | 2016-03-28 | Active | NEW UNDERWOOD |
| MaySin LLC | DL287686 | 2024-11-24 | Active | WATERTOWN |
| MAYSON CONSTRUCTION CO., INC. | DB038213 | 1997-02-12 | Dissolved | — |
| Mayspur Theibs Capital LLC | DL245653 | 2023-03-03 | Active | SIOUX FALLS |
| MAYSVILLE SUPER 8 MOTEL, INC. | DB029161 | 1990-02-14 | Inactive | — |
| MAYTAG APPLIANCES SALES COMPANY | FB020827 | 1997-12-18 | Inactive | WILMINGTON |
| MAYTAG CORPORATION | FB004010 | 1972-03-28 | Inactive | NEWTON |
| MAYTAG SALES, INC. | FB029456 | 2005-03-16 | Inactive | WILMINGTON |
| MAYTAG SERVICES, LLC | FL001802 | 2003-12-05 | Inactive | BENTON HARBOR |
| MAYTON CUPERION LLC | FL002041 | 2004-07-23 | Revoked | CUPERTINO |
| Maywood VRBO LLC | DL221551 | 2022-02-25 | Suspended | Rapid City |
| MAYWOOD, INC. | DB022468 | 1983-06-03 | Active | Sioux Falls |
| MAZ EXPRESS LLC | DL176583 | 2020-01-30 | Dissolved | VERMILLION |
| Maza A Didi Productions, LLC | DL039513 | 2014-07-10 | Dissolved | HANKINSON |
| MAZA MAKA LLC | DL132862 | 2017-04-25 | Active | RAPID CITY |
| Maza Othi Design-Build, Inc. | DB128886 | 2016-12-16 | Dissolved | WATERTOWN |
| MAZAK CORPORATION | FB026413 | 2002-07-09 | Active | Florence |
| Mazal LLC | DL313881 | 2025-11-18 | Active | Pierre |
| Mazan Companies, LLC | DL178997 | 2020-03-20 | Active | Sioux Falls |
| MAZASKA OWECASO OTIPI FINANCIAL, INC. | NS012594 | 2004-06-14 | Active | PINE RIDGE |
| MAZATLAN WING SHOOTING CLUB, INC. | DB049837 | 2005-06-13 | Dissolved | TEA |
| MAZATLAN, INC. | DB045673 | 2002-07-05 | Inactive | HURON |
| Mazion Physical Therapy, L.L.C. | DL146662 | 2018-04-10 | Inactive | — |
| MAZLIFHA LLC | DL139708 | 2017-11-13 | Dissolved | MITCHELL |
| Maznio Painting, LLC | DL042101 | 2015-01-28 | Active | HURON |
| MAZOOMA, INC. | FB151963 | 2018-08-02 | Revoked | Scottsdale |
| MAZOUREK RENTAL PROPERTIES, INC. | DB049864 | 2005-06-17 | Active | WAGNER |
| Mazuryk Wellness, LLC | DL183398 | 2020-06-22 | Active | Sioux Falls |
| Mazzaroth Investments LLC | DL283930 | 2024-09-26 | Active | West End |
| MAZZETTI, INC. | FB228039 | 2022-06-01 | Active | San Francisco |
| Mazzoni Works Handyman Services LLC | DL316799 | 2025-12-30 | Active | Rapid City |
| MB Adventures LLC | DL284250 | 2024-10-01 | Active | Watertown |
| MB Advisory Corp. | FB262795 | 2023-11-17 | Active | Sheridan |
| MB Airplanes LLC | DL280852 | 2024-08-12 | Dissolved | Rapid City |
| MB and HA Solutions LLC | DL333435 | 2026-07-13 | Active | Watertown |
| MB AND HA SOLUTIONS LLC | DL333433 | 2026-07-13 | Active | WATERTOWN |
| MB Auto LLC | DL326449 | 2026-04-19 | Active | Wentworth |
| MB BEITLER LLC | FL001124 | 2001-12-06 | Revoked | CHICAGO |
| MB Cattle Company, LLC | DL049632 | 2016-08-18 | Active | SPEARFISH |
| MB Cleaning Service, LLC | DL214760 | 2021-11-18 | Dissolved | McCook Lake |
| MB CONSTRUCTION LLC | DL268327 | 2024-02-12 | Inactive | SIOUX FALLS |
| MB Consultants LLC | DL214271 | 2021-11-11 | Dissolved | Palo Alto |
| MB Designs LLC | DL284946 | 2024-10-11 | Dissolved | Ipswich |
| MB Electrical LLC | FL326587 | 2026-04-21 | Active | Grimes |
| MB ENTERPRISES, INC. | DB047772 | 2004-01-09 | Active | Sturgis |
| MB EQUIPMENT FINANCE, LLC | FL043487 | 2015-05-13 | Inactive | HUNT VALLEY |
| MB FARMS, LLC | DL189440 | 2020-10-15 | Active | NORFOLK |
| MB FOREVER PROPERTIES, LLC | DL042725 | 2015-04-01 | Dissolved | MADISON |
| MB GOLF MANAGEMENT, L.L.C. | DL004554 | 2002-03-13 | Inactive | — |
| MB HOLDING INVESTING LLC | DL257602 | 2023-08-30 | Dissolved | SIOUX FALLS |
| MB Hospitality TN LLC | FL196070 | 2021-02-04 | Active | Brentwood |
| MB Huff Enterprises, LLC | DL038930 | 2014-05-22 | Dissolved | DAKOTA DUNES |
| MB Investments, LLC | DL245342 | 2023-02-28 | Active | Watertown |
| MB Kuchefski LLC | DL206422 | 2021-07-14 | Dissolved | Sioux Falls |
| MB Marketing of St. Cloud llc | DL192158 | 2020-12-03 | Dissolved | Sioux Falls |
| MB Media & Marketing LLC | DL256111 | 2023-08-04 | Dissolved | sioux falls |
| MB MEDICAL, LLC | DL168268 | 2019-08-02 | Dissolved | RAPID CITY |
| MB of SFW, LLC | FL138514 | 2017-10-16 | Inactive | MINNEAPOLIS |
| MB Online Innovations LLC | DL264776 | 2023-12-20 | Active | Hazel |
| MB PROPERTIES, LLC | DL004460 | 2002-02-07 | Dissolved | SIOUX FALLS |
| MB Properties, LLC | DL245332 | 2023-02-28 | Inactive | Watertown |
| MB Quick Stop, L.L.C. | DL046016 | 2015-12-02 | Inactive | GREGORY |
| MB Real Estate LLC | DL130921 | 2017-02-22 | Active | Spencer |
| MB REAL ESTATE SERVICES INC. | FB039240 | 2016-04-04 | Inactive | CHICAGO |
| MB Rental Properties, LLC | DL256368 | 2023-08-09 | Active | Harrisburg |
| MB Rentals, LLC | DL215318 | 2022-01-01 | Active | Whitewood |
| MB Services, LLC | DL127757 | 2016-11-15 | Inactive | REDFIELD |
| MB Sigmund LLC | DL220953 | 2022-02-17 | Active | Mitchell |
| MB Sioux Falls, LLC | FL139750 | 2017-11-13 | Revoked | Castle Pines |
| MB SPORTS CARDS, LLC | DL269194 | 2024-02-25 | Dissolved | Aberdeen |
| MB Vacation Rentals, LLC | DL220410 | 2022-02-10 | Active | Brookings |
| MB& W CONSUMER COLLECTIONS, INC. | FB034418 | 2010-06-14 | Inactive | CLEVELAND |
| MB, LLC | DL017077 | 2008-08-01 | Active | ABERDEEN |
| MB2 Funds, LLC | DL307529 | 2025-08-22 | Active | Madison |
| MB2 Properties, LLC | DL307528 | 2025-08-22 | Active | Madison |
| MB2, INC. | DB036150 | 1995-08-16 | Dissolved | Sioux Falls |
| MB57 LLC | DL215018 | 2021-11-23 | Active | Mobridge |
| MBA CONSTRUCTION, LLC | DL027198 | 2012-02-13 | Dissolved | DAKOTA DUNES |
| MBA Energy & Industrial, LLC | FL168352 | 2019-08-06 | Active | Magnolia |
| MBA GENERAL CONTRACTING, LLC | FL004979 | 2010-02-11 | Revoked | MAGNOLIA |
| MBA INSURANCE AGENCY OF ARIZONA, INC. | FB017346 | 1994-10-12 | Revoked | SCOTTSDALE |
| MBA INVESTMENTS, INC. | DB048694 | 2004-08-30 | Inactive | — |
| MBA REALTY, L.L.C. | DL018196 | 2009-01-30 | Active | PARKSTON |
| MBA, INC. | DB035076 | 1994-12-09 | Inactive | — |
| MBAA Ventures LLC | DL231458 | 2022-07-27 | Active | Yankton |
| MBAINSURANCE AGENCY OF ARIZONA, INC. | FB034146 | 2010-02-23 | Revoked | SCOTTSDALE |
| MBANK, INC. | FB038264 | 2014-12-03 | Revoked | TIGARD |
| MBANK, INC. | FB036306 | 2012-10-18 | Inactive | GRESHAM |
| MBB, INC. | DB037777 | 1996-10-18 | Inactive | — |
| MBB, LLC | DL135971 | 2017-08-15 | Active | SPEARFISH |
| MBC FEDERAL PROGRAMS, INC. | FB019539 | 1996-11-15 | Inactive | COLUMBIA |
| MBC GRINGS HILL LIMITED PARTNERSHIP | FP000814 | 2012-05-07 | Inactive | SCHUYLKILL HAVEN |
| MBC Management, LLC | DL202879 | 2021-05-13 | Active | Urbandale |
| MBC Turbes Second Addition Business Condominium Association | NS049705 | 2015-07-06 | Dissolved | WATERTOWN |
| MBC, LLC | DL014288 | 2007-07-19 | Active | ABERDEEN |
| MBD ENTERPRISES, LLC | DL011232 | 2006-04-26 | Dissolved | BRANDON |
| MBD OUTFITTERS, LLC | DL044066 | 2015-06-22 | Dissolved | SIOUX FALLS |
| MBDJP, LLC | DL015133 | 2007-11-26 | Active | HARTFORD |
| MBF INSPECTION SERVICES, INC. | FB036243 | 2012-09-13 | Active | ROSWELL |
| MBF Insurance LLC | DL284155 | 2024-10-01 | Active | Faribault |
| MBF LLC | DL235413 | 2022-09-26 | Active | Faribault |
| MBG holdings USA 1A LLC | DL166090 | 2019-06-17 | Active | SIOUX FALLS |
| MBH COMMODITIES, INC. | FB015844 | 1993-02-08 | Revoked | MINNEAPOLIS |
| MBH LEGACY, LLC | DL032426 | 2013-05-13 | Active | DE SMET |
| MBH Solutions LLC | DL228139 | 2022-06-02 | Dissolved | Sioux Falls |
| MBH, LLC | DL025132 | 2011-07-07 | Dissolved | SIOUX FALLS |
| MBHCA, Inc. | DB058165 | 2013-10-30 | Dissolved | RAPID CITY |
| MBI BENEFITS, INC. | FB033771 | 2009-08-31 | Inactive | WALTHAM |
| MBI CONSTRUCTION LLC | DL307783 | 2025-08-26 | Active | Rapid City |
| MBI CONSTRUCTION, LLC. | DL231672 | 2022-07-29 | Dissolved | Rapid City |
| MBI ENERGY LOGISTICS, LLC | FL006111 | 2012-02-02 | Revoked | BELFIELD |
| MBI ENERGY RENTALS, INC. | FB037557 | 2014-02-27 | Revoked | BELFIELD |
| MBI MORTGAGE, INC. | FB031381 | 2007-02-07 | Revoked | AUSTIN |
| MBJ COMPANY, INC. | DB023288 | 1984-03-29 | Dissolved | RAPID CITY |
| MBJ Innovations LLC | DL038285 | 2014-04-10 | Dissolved | SIOUX FALLS |
| MBJ Properties, LLC | DL253947 | 2023-07-03 | Active | Brandon |
| MBJ Real Estate, LLC | DL230420 | 2022-07-12 | Active | Aberdeen |
| MBK ENTERPRISE LLC | DL206876 | 2021-07-21 | Dissolved | Watertown |