| Matherly Homes LLC | DL300022 | 2025-05-11 | Suspended | Sioux Falls |
| MATHERN ENTERPRISES INC. | DB056046 | 2011-03-28 | Active | Rapid City |
| Mathers Trucking, Inc. | DB060826 | 2016-04-20 | Dissolved | ROSEDALE |
| MATHES ELECTRIC CONSTRUCTION CO., INC. | DB003722 | 1964-07-07 | Inactive | — |
| Matheson and 15th, LLC | DL146654 | 2018-04-10 | Active | SIOUX FALLS |
| Matheson Drilling Inc | FB247975 | 2023-04-04 | Active | Gillette |
| Matheson Drilling, Inc. | FB039282 | 2016-04-21 | Revoked | GILLETTE |
| MATHEWS BROTHERS COMPANY | 19280012D | 1928-06-12 | Active | — |
| Mathews Company | FB174785 | 2019-12-23 | Active | CRYSTAL LAKE |
| MATHEWS CONSULTING | NS014939 | 2012-09-13 | Dissolved | — |
| MATHEWS COOPERATIVE TELEPHONE COMPANY | PU000362 | 1949-04-29 | Inactive | — |
| MATHEWS EQUIPMENT CO. | FB002531 | 1965-08-12 | Revoked | CRYSTAL LAKE |
| MATHEWS LAND COMPANY - FPC, LLLP | DP294174 | 2025-02-26 | Active | MIDLAND |
| MATHEWS LAND COMPANY, LLLP | DP289367 | 2024-12-19 | Active | MIDLAND |
| MATHEWS OPERATING COMPANY, INC. | 19570113D | 1957-11-18 | Suspended | — |
| MATHEWS TRUCKING COMPANY, LLC | FL005688 | 2011-05-16 | Revoked | Edgemont |
| MATHIAS ENTERPRISES, INC. | DB037816 | 1996-11-01 | Inactive | — |
| Mathias Properties South Dakota LLC | DL241424 | 2023-01-03 | Inactive | RAPID CITY |
| MATHIAS VENTURES, L.L.C. | DL001013 | 1996-11-01 | Dissolved | — |
| MATHIEU FARMS, L.L.C. | DL128018 | 2016-11-21 | Active | Colton |
| MATHIS ADDITION HOMEOWNERS ASSOCIATION, INC. | NS012047 | 2002-06-19 | Active | SPEARFISH |
| Mathis Apartments, LLC | DL300938 | 2025-05-22 | Active | Winner |
| MATHIS EXTERIORS LLC | DL321267 | 2026-02-19 | Active | Rapid City |
| Mathis Family Properties SD LLC | DL236774 | 2022-10-15 | Active | Phoenix |
| Mathis Farm Equipment, LLC | DL157541 | 2019-01-01 | Active | WINNER |
| MATHIS HOMEOWNER'S ROAD DISTRICT | TD245571 | 2023-03-02 | Active | — |
| MATHIS IMPLEMENT, INC. | DB003976 | 1965-02-04 | Inactive | — |
| MATHIS PROPERTIES, LLC | FL003185 | 2006-11-08 | Revoked | RAPID CITY |
| Mathis Trucking, LLC | DL300900 | 2025-05-22 | Active | Winner |
| MATHISEN ENTERPRISES, LLC | DL032331 | 2013-05-06 | Dissolved | — |
| Mathison Company | FB136385 | 2017-08-25 | Revoked | Rapid City |
| MATHISON COMPANY | FB002218 | 1964-03-26 | Revoked | FARGO |
| MATHISON CONSULTING, L.L.C. | DL027059 | 2012-01-30 | Active | Elm Springs |
| Mathison Enterprises, LLC | DL219099 | 2022-01-24 | Active | Webster |
| MATHISON RAILROAD SERVICE, INC. | DB055979 | 2011-03-04 | Dissolved | FAIRFAX |
| Matho Ringing Steel Outdoors, LLC | DL270690 | 2024-03-14 | Dissolved | PIERRE |
| Mathtech, Inc. | FB229664 | 2022-06-28 | Active | Falls Church |
| MATHY CONSTRUCTION COMPANY | FB016653 | 1994-01-26 | Active | Onalaska |
| MATHY TRUCKING, INC. | FB034934 | 2011-02-04 | Revoked | SIOUX FALLS |
| MATIC Inc. | DB302567 | 2025-06-16 | Active | Watertown |
| MATIC INSURANCE SERVICES INC. | FB038269 | 2014-12-01 | Active | COLUMBUS |
| Matilda Makes LLC | DL237776 | 2022-11-01 | Active | Jefferson |
| Matilda's LLC | DL300555 | 2025-05-19 | Active | Mitchell |
| MATINEE ACCOUNTING & TECHNOLOGIES, LLC | DL024996 | 2011-06-20 | Active | SIOUX FALLS |
| MATISSE LLC | DL134368 | 2017-06-20 | Inactive | Pierre |
| MATKINS ENTERPRISES, INC. | DB038243 | 1997-02-21 | Inactive | — |
| MATKINS ENTERPRISES, LLC | DL017290 | 2008-09-03 | Inactive | HILL CITY |
| MATKINS REALTY, INC. | DB053965 | 2008-10-15 | Dissolved | HILL CITY |
| Matlock Construction Incorporated | DB060244 | 2015-08-03 | Active | STICKNEY |
| Matmown LLC | FL146651 | 2018-04-10 | Revoked | Joliet |
| MATO COMMERCIAL LININGS, INC. | DB048724 | 2004-09-10 | Inactive | — |
| Mato Ohanko Hocoka | NS241984 | 2023-01-11 | Active | St. Francis |
| Mato Ohitika Analytics, LLC | DL133148 | 2017-05-04 | Active | SIOUX FALLS |
| Mato Ohitika Foundation | NS188472 | 2020-09-29 | Active | SIOUX FALLS |
| MATO PAHA FUNDRAISERS, LLC | DL002709 | 2000-01-05 | Inactive | — |
| Mato Pejuta Construction Inc. | DB199062 | 2021-03-20 | Dissolved | Wagner |
| MATO TIWAHE, INC. | DB047008 | 2003-06-19 | Inactive | — |
| MATO TOPA LLC | DL302076 | 2025-06-09 | Active | Eagle Butte |
| Mato Wasake L.L.C | DL257614 | 2023-08-29 | Dissolved | Oglala |
| Matog'i Enterprises LLC | DL206801 | 2021-07-21 | Active | Wagner |
| Matogi Green Energy Enterprise | NS265729 | 2024-01-03 | Active | Wagner |
| MATOUSEK FARMS, INC. | DF015314 | 1978-05-19 | Dissolved | WINNER |
| MATOVICH LAND & LIVESTOCK CO. | FF009553 | 1994-07-14 | Revoked | NEW UNDERWOOD |
| MATR'S GARAGE, LLC | DL320972 | 2026-02-17 | Active | Garretson |
| MATRAN, INC. | FB027687 | 2003-09-11 | Revoked | KEARNEY |
| MATRIX ABSENCE MANAGEMENT, INC. | FB033986 | 2009-12-01 | Active | Phoenix |
| MATRIX BUILDERS AND ASSOCIATES LIMITED PARTNERSHIP | DP000662 | 1997-02-26 | Inactive | — |
| Matrix Business Consulting, Inc | FB170466 | 2019-09-19 | Inactive | Broomfield |
| MATRIX CLINICAL SOLUTIONS, LLC | FL189020 | 2020-10-07 | Inactive | Scottsdale |
| MATRIX CONSTRUCTION, LLC | DL003569 | 2001-02-09 | Inactive | — |
| Matrix Consulting Company LLC | DL199557 | 2021-03-26 | Active | Watertown |
| Matrix Consulting Engineers, Inc. | FB332187 | 2026-06-26 | Active | Lansing |
| MATRIX CONSULTING GROUP, INC. | DB038217 | 1997-02-13 | Dissolved | RAPID CITY |
| MATRIX CONSULTING GROUP, LLC | FL189025 | 2020-10-07 | Inactive | SCOTTSDALE |
| Matrix Designs, LLC | DL044495 | 2015-07-27 | Active | Rapid City |
| MATRIX DEVELOPMENT PARTNERS, L.L.C. | DL003018 | 2000-05-26 | Inactive | SIOUX FALLS |
| MATRIX FINANCIAL INC. | FB011187 | 1986-11-19 | Revoked | DENVER |
| MATRIX FINANCIAL SERVICES CORPORATION | FB131161 | 2017-03-01 | Inactive | ST. LOUIS PARK |
| MATRIX FINANCIAL SERVICES CORPORATION | FB024639 | 2000-12-11 | Revoked | DENVER |
| MATRIX INVESTMENT CORPORATION | FB028173 | 2004-01-27 | Revoked | GROTON |
| Matrix Investments, LLC | DL314167 | 2025-11-20 | Active | Sioux Falls, SD |
| MATRIX MANAGEMENT, INC. | DB023579 | 1984-07-09 | Inactive | — |
| Matrix Medical Network of South Dakota, PC | DB181909 | 2020-05-20 | Active | Scottsdale |
| MATRIX NORTH AMERICAN CONSTRUCTION, INC. | FB034715 | 2010-10-19 | Active | Tulsa |
| MATRIX PDM ENGINEERING, INC. | FB035619 | 2011-12-14 | Active | Tulsa |
| Matrix Pointe Software LLC | FL329358 | 2026-05-21 | Active | Westlake |
| MATRIX PROJECT SERVICES, LLC | FL231391 | 2022-07-26 | Active | Tulsa |
| MATRIX PROPERTIES CORPORATION | FB023118 | 1999-10-29 | Revoked | FARGO |
| MATRIX PROVIDERS INC. | FB036126 | 2012-07-23 | Active | Denver |
| MATRIX RESOURCES, INC. | FB035727 | 2012-01-30 | Inactive | Atlanta |
| Matrix Results Handyman LLC | DL207671 | 2021-08-03 | Active | Hills |
| Matrix Sciences International Inc. | FB191127 | 2020-11-12 | Active | Chicago |
| MATRIX SERVICE INC. | FB035038 | 2011-03-23 | Active | Tulsa |
| MATRIX SERVICE, INC. | FB015892 | 1993-03-05 | Revoked | TULSA |
| MATRIX TECHNOLOGIES CORP. | FB021609 | 1998-07-30 | Revoked | LINO LAKES |
| MATRIX TECHNOLOGIES INC. | DB046429 | 2003-01-31 | Dissolved | RALEIGH |
| Matrix Technologies, Inc. | FB205837 | 2021-07-02 | Active | Maumee |
| MATRIX TELECOM, INC. | FB016925 | 1994-05-06 | Inactive | IRVING |
| MATRIX WORKFORCE SOLUTIONS LLC | FL002902 | 2006-04-17 | Inactive | ATLANTA |
| MATRIX, INC. | DB026947 | 1987-12-15 | Inactive | — |
| MATRIXPOINTE, LLC | FL005082 | 2010-04-05 | Revoked | OMAHA |
| MATS-4-U, LLC | DL022152 | 2010-08-13 | Active | RAPID CITY |
| MATSKEVICH L.L.C. | DL138388 | 2017-10-12 | Dissolved | ANDOVER |
| MATSON & FAMILY LIMITED PARTNERSHIP | FP000285 | 1996-05-03 | Active | SUN CITY |
| Matson Enterprises LLC | DL204226 | 2021-06-05 | Inactive | — |
| Matson Investments LLC | DL237451 | 2022-10-26 | Active | Spearfish |
| Matson Navigation Company, Inc. | FB266970 | 2024-01-23 | Active | Honolulu |
| Matson Therapy, LLC | DL197286 | 2021-02-23 | Active | Spearfish |
| MATSON, HALVERSON, CHRISTIANSEN, HAMILTON FOUNDATION | NS011428 | 2000-02-22 | Active | KIMBALL |
| MATSON, HALVERSON, CHRISTIANSON FOUNDATION | NS011827 | 2001-05-21 | Dissolved | — |
| MATT & ABBY HOFER TRUCKING LLC | DL026908 | 2012-01-17 | Active | MITCHELL |
| Matt and Janet Cronin Family Limited Partnership | DP002949 | 2016-10-27 | Active | GETTYSBURG |
| MATT AND JESSE WITTLER FAMILY LIMITED PARTNERSHIP | DP001705 | 2005-12-21 | Inactive | — |
| MATT ARTHUR CONSTRUCTION, LLC | DL247685 | 2023-03-30 | Active | MILESVILLE |
| Matt Bender LLC | DL201788 | 2021-04-27 | Inactive | SIOUX FALLS |
| MATT BEZENEK AGENCY, INC. | DB046240 | 2002-12-23 | Active | MADISON |
| MATT BOWAR & ASSOCIATES, INC. | DB035757 | 1995-04-26 | Inactive | — |
| MATT CHRONISTER CONSTRUCTION, INC. | DB041402 | 1999-05-10 | Active | SIOUX FALLS |
| Matt Grabow llc | DL144913 | 2018-03-06 | Inactive | Big Stone City |
| Matt Hanssen Trucking, LLC | DL298201 | 2025-04-17 | Suspended | Emery |
| MATT J. MARSH CONTRACTING, LLC | DL032956 | 2013-06-26 | Dissolved | RAPID CITY |
| MATT JENSEN MARKETING, LLC | DL015342 | 2007-12-21 | Active | SIOUX FALLS |
| MATT KELLER CONSTRUCTION, LLC | DL037380 | 2014-02-10 | Dissolved | Mobridge |
| MATT KELLER PROPERTIES, LLC | DL037381 | 2014-02-10 | Dissolved | Mobridge |
| MATT M CONSTRUCTION LLC | DL331579 | 2026-06-19 | Active | SIOUX FALLS |
| MATT MCGOVERN, LLC | DL024046 | 2011-03-11 | Dissolved | WASHINGTON |
| MATT MISNER REAL ESTATE LLC | DL203616 | 2021-05-26 | Active | Valley Springs |
| Matt Mulder Group, LLC | DL240989 | 2022-12-27 | Active | Sioux Falls |
| Matt Murray LLC | DL194293 | 2021-01-07 | Dissolved | Sioux Falls |
| Matt Newton LLC | DL174703 | 2019-12-20 | Dissolved | Rapid City |
| MATT NORTHRUP CONSTRUCTION, INC. | DB049369 | 2005-03-02 | Active | PIERRE |
| MATT REINER TRUCKING, INC. | DB054564 | 2009-06-01 | Active | TRIPP |
| MATT SCHULTHEIS ENTERPRISES INC | DB212263 | 2021-10-14 | Dissolved | Murrieta |
| MATT SCHULTZ CONSTRUCTION, L.L.C. | DL033284 | 2013-07-29 | Active | HARTFORD |
| Matt Smith Insurance Agency LLC | DL276704 | 2024-06-10 | Active | Sturgis |
| Matt Sorensen Construction LLC | DL290903 | 2025-01-13 | Dissolved | Harrisburg |
| Matt Stewart Real Estate LLC | DL215002 | 2021-11-22 | Active | Rapid City |
| Matt Sutherland Trucking, LLC | DL135673 | 2017-08-04 | Dissolved | Hermosa |
| Matt Taggart Construction LLC | DL253984 | 2023-07-04 | Dissolved | vermillion |
| Matt Triplett Inc | FB168917 | 2019-08-19 | Revoked | Edmond |
| Matt Triplett Inc | DB194640 | 2021-01-13 | Active | Harrisburg |
| Matt Trombley Photography LLC | DL153177 | 2018-08-29 | Dissolved | Box Elder |
| Matt Walters, LLC | DL285621 | 2024-10-23 | Dissolved | Urbandale |
| Matt Wiebe Trucking, LLC | DL320407 | 2026-02-10 | Active | Iroquois |
| MATT WITTLER FARMS, INC. | DF044912 | 2002-01-02 | Dissolved | ONIDA |
| MATT'S AUTO REPAIR & SALES, INC. | DB046489 | 2003-02-18 | Inactive | — |
| MATT'S AUTOMOTIVE, LLC | DL244855 | 2023-02-21 | Active | Smithwick |
| Matt's Campers LLC | DL143511 | 2018-02-05 | Dissolved | Marvin |
| MATT'S LAWN CARE, INC. | DB045223 | 2002-03-18 | Dissolved | — |
| Matt's Lawn Service L.L.C. | DL230285 | 2022-07-11 | Active | Belle Fourche |
| Matt's Mom's Mustard, LLC | DL159586 | 2019-01-29 | Dissolved | Pensacola |
| MATT'S REPAIR, LLC | DL026721 | 2011-12-30 | Active | BRANDON |
| MATT, LLC | DL044096 | 2015-06-23 | Active | SIOUX FALLS |
| Mattaniah, LLC | DL173756 | 2019-12-03 | Active | Rapid City |
| Matte Construction LLC | DL325157 | 2026-04-04 | Active | St. Charles |
| Mattea Kroll Cleaning, LLC | DL308801 | 2025-09-09 | Active | Sioux Falls |
| MATTEL INTERNATIONAL INC | NS254298 | 2023-07-10 | Dissolved | SIOUX FALLS |
| Matter Law Office, Prof. LLC | DL211946 | 2021-10-08 | Active | Vermillion |
| MatterBurn Group LTD. | DL287652 | 2024-11-22 | Dissolved | Reynolds |
| Matterhorn Capital Deposits llc | DL207515 | 2021-07-30 | Dissolved | Sioux Falls |
| Matterhorn Capital Group LLC | DL192279 | 2020-12-04 | Dissolved | Sioux Falls |
| Matterhorn Holdings LLC | DL129042 | 2016-12-27 | Active | West palm beach |
| Matterhorn Investment Holdings LLC | DL289855 | 2024-12-29 | Dissolved | Watertown |
| Matterhorn LLC | DL330598 | 2026-06-07 | Active | SIOUX FALLS |
| MATTERN'S DIESEL SERVICE, INC. | DB021127 | 1981-11-24 | Dissolved | — |
| Matters Media Inc. | DB186552 | 2020-08-24 | Dissolved | Sioux Falls |
| MATTERS OF THE HEART, INC. | NS010924 | 1997-11-26 | Inactive | — |
| MATTHAEI EXCAVATING, INC. | DB047664 | 2003-12-22 | Active | CANISTOTA |
| MATTHEIS HARTFORD DENTAL CLINIC, P.C. | DB056383 | 2011-10-11 | Active | HARTFORD |
| Mattheis Rentals LLC | DL303191 | 2025-06-24 | Active | Pierre |
| MATTHES LAND COMPANY, LLC | DL014751 | 2007-09-26 | Active | RAPID CITY |
| MATTHEW & MELANIE JOHNSON LIMITED PARTNERSHIP | DP186801 | 2020-08-28 | Active | WEBSTER |
| Matthew & Melanie Johnson Management LLC | DL186694 | 2020-08-26 | Active | Webster |
| Matthew Anderson, DDS, P.C. | DB277924 | 2024-06-28 | Active | Sioux Falls |
| Matthew Arenson Insurance, LLC | DL234232 | 2022-09-08 | Active | Pierre |
| MATTHEW BENDER & COMPANY, INC. | FB022845 | 1999-08-11 | Active | NEW YORK |
| MATTHEW CARROLL DESIGN LLC | DL002324 | 1999-06-23 | Dissolved | — |
| Matthew D. Bury, D.D.S., P.L.L.C. | DL139677 | 2017-11-10 | Active | Rapid City |
| MATTHEW D. MCCORMICK, INSURANCE AGENCY, INC. | DB043307 | 2000-10-13 | Active | RAPID CITY |
| Matthew E. Johnson, Inc | DB176676 | 2020-01-31 | Active | Webster |
| Matthew Fisher Capital LLC | DL209432 | 2021-09-01 | Active | Sioux Falls |
| Matthew Fisher Homes LLC | DL183561 | 2020-06-24 | Active | Sioux Falls |
| Matthew Gibbs PA-C, PC | DB267580 | 2024-02-01 | Active | Box Elder |
| Matthew Holland Productions LLC | DL305073 | 2025-07-19 | Active | Brookings |
| MATTHEW J. BATCHELDER CO., INC. | DB045724 | 2002-07-26 | Dissolved | RAPID CITY |
| Matthew J. Konenkamp LLC | DL154274 | 2018-09-24 | Active | Rapid City |
| MATTHEW J. KONENKAMP, P.C. | DB054653 | 2009-07-02 | Dissolved | PIERRE |
| Matthew J. Tobkin, DMD, Prof. LLC | DL160827 | 2019-02-25 | Active | Madison |
| MATTHEW JANES CONSULTING, LLC | DL014140 | 2007-06-25 | Dissolved | — |
| MATTHEW L. SKINNER, P.C. | DB041237 | 1999-04-01 | Dissolved | RAPID CITY |
| Matthew Murphy Music LLC | DL217640 | 2022-01-03 | Active | Brandon |
| MATTHEW P. BRZICA FOUNDATION | NS000021 | 1956-10-17 | Dissolved | — |
| Matthew Perelman CGG SoDa LLC | DL164316 | 2019-05-08 | Active | Pierre |
| Matthew Perelman Liquid CGG LLC | DL212272 | 2021-10-14 | Active | Pierre |
| Matthew Perelman SoDa LLC | DL141642 | 2017-12-28 | Active | PIERRE |
| Matthew Perelman SoDa SPE LLC | DL148692 | 2018-05-24 | Active | Pierre |
| MATTHEW PROPERTIES, LLC | DL028873 | 2012-07-19 | Inactive | RAPID CITY |
| MATTHEW R. PORTER, INC. | DB056306 | 2011-08-23 | Active | HURON |
| Matthew Rishovd Real Estate LLC | DL247106 | 2023-03-24 | Dissolved | Sioux Falls |
| Matthew S. Bonacker, LLC | DL044998 | 2015-09-03 | Active | SIOUX FALLS |