| Tres Hermanos, L.L.C. | — | DL222385 | 2022-03-09 | Inactive | Milbank |
| TRES HOMBRES, L.L.C. | — | DL024251 | 2011-03-31 | Inactive | Spearfish |
| Tres Schaack Equine, LLC | — | DL193078 | 2020-12-17 | Dissolved | Spearfish |
| TRES' CHIC CORPORATION | — | DB242284 | 2023-01-15 | Active | DAKOTA DUNES |
| TRESCOM U.S.A., INC. | — | FB018706 | 1996-03-01 | Inactive | MCLEAN |
| TRESMOES, LLC | — | DL026289 | 2011-11-21 | Dissolved | BRANDON |
| Tressfor LLC | — | DL187947 | 2020-09-18 | Active | Sioux Falls |
| Trestle Advocates, LLC | — | DL134324 | 2017-06-19 | Dissolved | SIOUX FALLS |
| Trestle Consulting Group Inc | — | DB284841 | 2024-10-10 | Dissolved | sioux falls |
| TRESTLE CREEK, LLC | — | DL007020 | 2004-03-04 | Active | RAPID CITY |
| TRESTLES HOLDINGS, LLC | — | DL019528 | 2009-08-11 | Dissolved | RAPID CITY |
| Trevax, LLC | — | DL213247 | 2021-10-28 | Active | Sioux Falls |
| TREVCAM, INC. | — | FB012008 | 1988-03-28 | Inactive | QUINCY |
| TREVILON CORP. | — | FB025836 | 2001-12-31 | Inactive | OAK HILL |
| TREVINOS LEATHERS, INC. | — | DB053787 | 2008-07-18 | Active | Deadwood |
| Trevlar 2 LLC | — | DL272546 | 2024-04-09 | Suspended | Rapid City |
| Trevlar LLC | — | DL199523 | 2021-03-25 | Active | RAPID CITY |
| Trevole Advisors Corp. | — | NS141683 | 2017-12-28 | Dissolved | SIOUX FALLS |
| Trevor Bechen Fencing, Inc. | — | DB058766 | 2014-02-14 | Active | LETCHER |
| Trevor Bohl LLC | — | DL170935 | 2019-10-01 | Inactive | SIoux Falls |
| TREVOR CRAMER AGENCY, INC. | — | DB042156 | 1999-12-16 | Dissolved | ORIENT |
| Trevor Daily LLC | — | DL216968 | 2021-12-22 | Dissolved | Sioux Falls |
| TREVOR HUBBARD LLC | — | DL248461 | 2023-04-11 | Inactive | TULARE |
| Trevor J. Wuethrich, LLC | — | DL134819 | 2017-07-06 | Inactive | Rapid City |
| TREVOR JACKMAN PROPERTIES, L.L.C. | — | DL009982 | 2005-10-11 | Active | DAKOTA DUNES |
| TREVOR'S FIREWOOD, LLC | — | DL324096 | 2026-03-23 | Active | DELL RAPIDS |
| Trevor's Garage LLC | — | DL317407 | 2026-01-07 | Active | Goodwin |
| Trevor's Legacy Foundation | — | NS050113 | 2016-09-23 | Active | Wanblee |
| Trevtann L.L.C. | — | DL264430 | 2023-12-14 | Active | Sidney |
| TREW Advisors LLC | — | FL227114 | 2022-05-16 | Active | Rapid City |
| TREWORGY FURNITURE COMPANY, INC. | — | 19550113D | 1955-08-30 | Suspended | — |
| TREWORGY'S OF CALAIS | — | 19660235D | 1966-07-27 | Canceled | — |
| Trex Commercial Products, Inc. | — | FB144023 | 2018-02-15 | Revoked | BROOKLYN PARK |
| TREX INVESTMENTS, LLC | — | DL038100 | 2014-03-26 | Active | RAPID CITY |
| TREX Trades, LLC | — | DL256623 | 2023-08-14 | Inactive | Langford |
| Trey Properties, LLC | — | DL043075 | 2015-04-01 | Suspended | Brookings |
| TREY RICHARD MCGAA LLC | — | DL273433 | 2024-04-23 | Dissolved | Rapid City |
| Trey Stroup Aviation LLC | — | DL269547 | 2024-02-28 | Active | Fort Pierre |
| TREY WREN LLC | — | DL030801 | 2013-01-02 | Active | Marvin |
| TREYBERS CONSULTING, LLC | — | DL027165 | 2012-02-09 | Active | Rapid City |
| TRF GCC LLC | — | DL296794 | 2025-03-31 | Active | Spearfish |
| TRG INSURANCE SERVICES, INC. | — | FB036512 | 2013-01-22 | Inactive | NEWPORT BEACH |
| TRG INSURANCE SOLUTIONS, LLC | — | FL004160 | 2008-07-22 | Inactive | CLEARWATER |
| TRG OF PENNSYLVANIA, INC. | — | DB032955 | 1993-04-27 | Inactive | — |
| TRG Properties LLC | — | DL257658 | 2023-08-29 | Active | Watertown |
| TRG SETTLEMENT SERVICES, LLP | — | FR000141 | 2004-08-06 | Active | Mount Laurel |
| TRGRP, INC. | — | FB299598 | 2025-05-06 | Active | New York |
| TRGU, LLC | — | DL020074 | 2009-11-02 | Active | SIOUX FALLS |
| TRI * STAR CARE LINE, INC. | — | NS010932 | 1997-12-10 | Dissolved | — |
| TRI * STAR CARE LINE, INC. | — | DB038948 | 1997-08-26 | Dissolved | — |
| TRI CITY HOME REPAIR, INC. | — | DB055411 | 2010-06-11 | Dissolved | DAKOTA DUNES |
| TRI COMMUNITY DEVELOPMENT, INC. | — | NS009788 | 1993-01-12 | Dissolved | FAITH |
| Tri Con Works, LLC | — | FL131657 | 2017-03-20 | Active | Baytown |
| TRI CONTINENTAL SALES, INC. | — | DB020019 | 1980-09-16 | Inactive | — |
| TRI CORE LLC | — | DL028369 | 2012-06-04 | Active | SIOUX FALLS |
| TRI CORNER ATHLETIC CLUB INC. | — | 19520001ND | 1952-06-04 | Suspended | — |
| TRI COUNTY CONCRETE PRODUCTS, INC. | — | DB021490 | 1982-05-03 | Inactive | — |
| TRI COUNTY EXCAVATING, LLC | — | DL021724 | 2010-06-15 | Dissolved | LEMMON |
| TRI COUNTY FEED COMPANY | — | FB013621 | 1990-06-08 | Inactive | CANBY |
| TRI COUNTY FLYING, L.L.P. | — | DR000364 | 1999-04-16 | Active | Estelline |
| TRI COUNTY INVESTMENT COMPANY | — | DB022356 | 1983-04-29 | Dissolved | — |
| TRI COUNTY LANDFILL ASSOCIATION, INC. | — | NS009622 | 1992-05-08 | Active | Pukwana |
| TRI COUNTY OIL AND PROPANE, INC. | — | DB033908 | 1994-01-10 | Active | IRENE |
| Tri County Pink Ladies | — | NS209696 | 2021-09-07 | Dissolved | BROOKINGS |
| TRI COUNTY SEED LLC | — | DL033187 | 2013-07-19 | Inactive | IRENE |
| Tri County Services LLC | — | DL320325 | 2026-02-09 | Active | Ortley |
| TRI COUNTY SPORTSMAN CLUB | — | NS009293 | 1990-12-14 | Inactive | — |
| TRI COUNTY STATE BANK HOLDING COMPANY, INC. | — | DB016100 | 1978-10-27 | Dissolved | — |
| Tri County Tax Service LLC | — | DL231082 | 2022-07-21 | Active | Chamberlain |
| TRI COUNTY VIETNAM AND PERSIAN GULF VETERANS | — | NS009329 | 1991-02-08 | Inactive | — |
| Tri D Ranch, LLP | — | DR135000 | 2017-07-13 | Active | SIOUX FALLS |
| TRI HOLDINGS, INC. | — | DB031960 | 1992-07-20 | Inactive | — |
| TRI HOMES TODAY LLC | — | DL032346 | 2013-05-08 | Active | Chicago |
| TRI M TUNES, INC. | — | DB052352 | 2007-05-10 | Active | MITCHELL |
| TRI M TUNES, L.L.C. | — | DL010667 | 2006-02-03 | Dissolved | — |
| TRI Mountain Construction, Inc. | — | FB038916 | 2015-10-26 | Inactive | GILLETTE |
| TRI PROPERTIES, L.L.C. | — | DL029074 | 2012-08-13 | Active | Saint Cloud |
| TRI RENTALS TODAY LLC | — | DL035226 | 2013-09-23 | Active | Chicago |
| TRI STAR ENGINEERING, INC. D/B/A TRI STAR TECHNICAL SERVICES, INC. | — | FB027027 | 2003-02-10 | Revoked | BEDFORD |
| TRI STAR ENTERPRISES, INC. | — | DB041398 | 1999-05-07 | Active | Sioux Falls |
| TRI STAR EQUIPMENT FINANCE, LLC | — | DL183580 | 2020-06-24 | Dissolved | Bloomington |
| TRI STAR MINING CORPORATION | — | DB021518 | 1982-05-14 | Inactive | — |
| TRI STATE AG SERVICES, LLC | — | DL042691 | 2015-03-30 | Active | ARLINGTON |
| TRI STATE ALL DISTRO, LLC | — | FL321376 | 2026-02-20 | Active | Gurnee |
| TRI STATE AUTO PARTS, INC. | — | DB030852 | 1991-08-01 | Inactive | — |
| TRI STATE AVIONICS, LLC | — | DL009890 | 2005-09-23 | Dissolved | RAPID CITY |
| TRI STATE BUILDING CENTER, LLC | — | DL025001 | 2011-06-21 | Active | Sisseton |
| TRI STATE COMMUNICATIONS, INC. | — | DB014199 | 1977-03-10 | Inactive | — |
| Tri State Communications, LLC | — | FL192401 | 2020-12-07 | Revoked | Belle Fourche |
| Tri State Construction of Fargo, Inc. | — | FB039425 | 2016-07-08 | Revoked | Mobridge |
| TRI STATE CONSTRUCTION, LLC | — | DL017805 | 2008-12-01 | Dissolved | Queen Creek |
| TRI STATE DATA SYSTEM, INC. | — | DB020664 | 1981-05-21 | Inactive | — |
| TRI STATE DISTRIBUTING CO. | — | DB000391 | 1959-01-12 | Active | SAN DIEGO |
| Tri State Energy Solutions, Inc. | — | DB268615 | 2024-02-15 | Active | Dakota dunes |
| TRI STATE ENERGY, LLC | — | DL015945 | 2008-03-07 | Inactive | — |
| Tri State Foam & Coatings LLC | — | DL237965 | 2022-11-04 | Active | BRANDON |
| TRI STATE HEARING CONSULTANTS, INC. | — | FB038901 | 2015-10-21 | Inactive | SIOUX CITY |
| Tri State Hearing Consultants, Inc. | — | FB167336 | 2019-07-15 | Active | Sioux City |
| TRI STATE HORSEMEN'S ASSOCIATION | — | NS000795 | 1965-03-24 | Dissolved | MILBANK |
| Tri State Late Model Series | — | NS147531 | 2018-04-30 | Active | GARRETSON |
| TRI STATE MEDICAL CENTER PLLC | — | DL255913 | 2023-08-02 | Active | BELLE FOURCHE |
| TRI STATE NURSING ENTERPRISES, INC. | — | FB028617 | 2004-06-09 | Active | SIOUX CITY |
| TRI STATE NURSING ENTERPRISES, INC. | — | FB023116 | 1999-10-29 | Inactive | SIOUX CITY |
| Tri State Oil Reclaimers Inc. | — | FB202065 | 2021-04-30 | Revoked | Cheyenne |
| TRI STATE OIL SERVICES, INC. | — | DB045132 | 2002-02-21 | Inactive | — |
| TRI STATE PROPERTIES, LLC | — | DL029772 | 2012-10-23 | Dissolved | MILBANK |
| TRI STATE PROPERTIES, LLC | — | DL278227 | 2024-07-03 | Active | SIOUX FALLS |
| TRI STATE REAL ESTATE SERVICES, L.L.C. | — | DL022166 | 2010-08-16 | Dissolved | SIOUX CITY |
| TRI STATE REFRESHMENTS, LLC | — | DL014391 | 2007-08-01 | Inactive | — |
| TRI STATE SEED AND AG, INC. | — | DB034778 | 1994-09-06 | Inactive | — |
| Tri State Services Inc. | — | DB185826 | 2020-08-10 | Dissolved | Brandon |
| Tri State shearing supplies LLC | — | DL295893 | 2025-03-19 | Active | Hermosa |
| TRI STATE SHOOTERS CLUB INC. | — | NS009189 | 1990-06-18 | Active | ROSHOLT |
| Tri State Solar, LLC | — | DL274934 | 2024-05-14 | Active | dakota dunes |
| TRI STATE SUPPLY, INC. | — | DB045055 | 2002-02-04 | Dissolved | DAKOTA DUNES |
| TRI STATE VISION CARE, PROF. LLC | — | DL024344 | 2011-04-11 | Dissolved | YANKTON |
| TRI STATE WATER INCORPORATED | — | DB031628 | 1992-04-06 | Active | SISSETON |
| TRI STATE WINDOWS, INC. | — | DB025563 | 1986-07-15 | Inactive | — |
| Tri State Windshield Repair LLC | — | DL260035 | 2023-10-03 | Dissolved | Vermillion |
| TRI STATES BEST FEEDS, INC. | — | FB023983 | 2000-06-08 | Revoked | SIOUX CITY |
| TRI STATES BEST, INC. | — | FB026901 | 2002-12-30 | Revoked | SIOUX CITY |
| Tri Valley Baseball Association | — | NS012288 | 2003-04-21 | Suspended | Crooks |
| Tri Valley Wrestling Club | — | NS264727 | 2023-12-19 | Dissolved | Baltic |
| TRI WINNER IRVING ACRES | — | 19640104D | 1964-09-11 | Active | — |
| TRI, INC. | — | DB040464 | 1998-09-03 | Inactive | — |
| TRI-AD ACTUARIES, INC. | — | FB033419 | 2009-04-23 | Inactive | ESCONDIDO |
| TRI-AD ADVERTISING, INC. | — | DB016108 | 1978-10-31 | Inactive | — |
| TRI-AG SALES, INC. | — | DB041755 | 1999-08-16 | Active | HURLEY |
| TRI-ANIM HEALTH SERVICES, INC. | — | FB017751 | 1995-03-27 | Active | Dublin |
| TRI-ARC FINANCIAL SERVICES, INC. | — | FB018240 | 1995-09-15 | Inactive | KING OF PRUSSIA |
| TRI-BUILT MATERIALS GROUP, LLC | — | FL044066 | 2016-01-26 | Inactive | Herndon |
| Tri-Cap Holdings, LLC | — | DL128005 | 2016-11-22 | Active | Sioux Falls |
| TRI-CITY ASSOCIATES LIMITED PARTNERSHIP | — | DP000334 | 1993-06-25 | Inactive | — |
| TRI-CITY BROKERAGE, INC. | — | FB019212 | 1996-08-12 | Revoked | SAN FRANCISCO |
| TRI-CITY BROKERAGE, INC. | — | FB024455 | 2000-10-24 | Inactive | SAN FRANCISCO |
| Tri-City Disposal, LLC | — | DL253366 | 2023-06-22 | Active | Lead |
| TRI-CITY ELECTRIC COMPANY OF IOWA | — | FB037899 | 2014-06-19 | Inactive | Davenport |
| TRI-CITY JAYCETTES | — | NS006305 | 1977-08-09 | Dissolved | — |
| TRI-CITY JUNIOR CHAMBER OF COMMERCE D/B/A TRI-CITY JAYCEES | — | NS005833 | 1975-08-06 | Inactive | — |
| TRI-CITY LEASING & EQUIPMENT, INC. | — | DB028183 | 1989-03-09 | Dissolved | — |
| TRI-CITY MECHANICAL, INC. | — | FB026971 | 2003-01-23 | Inactive | CHANDLER |
| TRI-CITY SIGN COMPANY | — | FB018829 | 1996-04-08 | Revoked | GRAND ISLAND |
| TRI-CITY WHOLESALE, INC. | — | FB006962 | 1980-03-03 | Revoked | GRAND ISLAND |
| TRI-CITY WOMEN | — | NS008166 | 1985-08-20 | Inactive | — |
| TRI-CO TRANSPORT, INC. | — | DB050239 | 2005-10-17 | Active | IRENE |
| Tri-Combs LLC | — | DL238792 | 2022-11-17 | Active | Sioux Falls |
| TRI-COMMUNITY ECONOMIC ENHANCEMENT INITIATIVE INC. | — | NS013587 | 2007-12-07 | Dissolved | Isabel |
| TRI-COUNTY AG SERVICE INC. | — | DB036956 | 1996-03-18 | Active | IPSWICH |
| TRI-COUNTY APARTMENTS, INCORPORATED | — | NS004933 | 1971-05-13 | Dissolved | IRENE |
| TRI-COUNTY CATTLE, INC. | — | DB030363 | 1991-03-05 | Dissolved | MITCHELL |
| TRI-COUNTY CENTER FOR COMMUNITY SERVICES | — | NS011340 | 1999-09-08 | Inactive | — |
| Tri-County Cheer and Dance Inc | — | NS167974 | 2019-07-29 | Dissolved | OACOMA |
| TRI-COUNTY CHEESE CORP. | — | DB005516 | 1966-08-10 | Dissolved | PIERPONT |
| TRI-COUNTY CONFINEMENT SYSTEMS, INC. | — | FB018234 | 1995-09-13 | Inactive | LEBANON |
| TRI-COUNTY CONSERVATION DISTRICT | — | DM009392 | 1937-10-15 | Active | FAITH |
| TRI-COUNTY COOPERATIVE OF BROWNS VALLEY | — | FC001045 | 1955-03-28 | Inactive | BROWNS VALLEY |
| TRI-COUNTY DEVELOPMENT CORPORATION | — | DB010259 | 1970-09-15 | Inactive | — |
| Tri-County Distribution, LLC | — | DL156410 | 2018-11-15 | Active | Irene |
| TRI-COUNTY DISTRIBUTORS, INC. | — | DB011547 | 1973-03-02 | Inactive | — |
| TRI-COUNTY ELECTRIC ASSN, INC. | — | PU000374 | 1944-12-18 | Inactive | — |
| TRI-COUNTY ENVIRONMENTAL SERVICES, INC. | — | DB036760 | 1996-01-24 | Dissolved | — |
| TRI-COUNTY FARM SERVICE, INC. | — | DB006096 | 1947-05-06 | Dissolved | — |
| TRI-COUNTY GARBAGE SERVICE, INC. | — | DB013158 | 1975-10-17 | Dissolved | — |
| TRI-COUNTY GOOD SAMARITAN CENTER | — | NS008515 | 1987-04-16 | Active | REDFIELD |
| TRI-COUNTY HALFWAY HOUSE, INC. | — | NS010317 | 1995-05-01 | Inactive | — |
| TRI-COUNTY HEALTH CARE, INCORPORATED | — | NS006484 | 1978-04-27 | Inactive | — |
| TRI-COUNTY HORSEMEN INC. | — | 19550063ND | 1955-01-27 | Active | — |
| TRI-COUNTY INSURANCE AGENCY, INC. | — | FB016037 | 1993-04-28 | Revoked | DAWSON |
| TRI-COUNTY LIVESTOCK HANDLING CORPORATION | — | DB009963 | 1970-01-09 | Dissolved | — |
| Tri-County Loan Rangers, LLC | — | DL187044 | 2020-09-01 | Dissolved | Rapid City |
| TRI-COUNTY LOCKERS, INC. | — | DB020410 | 1981-02-12 | Dissolved | — |
| TRI-COUNTY NONPROFIT HOUSING, INC. | — | NS007360 | 1982-04-13 | Inactive | — |
| TRI-COUNTY PORK, INC. | — | DB016132 | 1978-11-13 | Inactive | — |
| TRI-COUNTY STATE BANK, CHAMBERLAIN, SOUTH DAKOTA | — | BK000084 | 1924-12-16 | Inactive | — |
| TRI-COUNTY TELCOM, INC. | — | PU000932 | 1926-04-14 | Inactive | — |
| TRI-COUNTY UHF-TV, INC. | — | FN010410 | 1993-05-25 | Revoked | APPLETON |
| TRI-COUNTY UNION COOPERATIVE | — | CO000238 | 1937-04-26 | Dissolved | — |
| TRI-COUNTY WATER ASSOCIATION, INC. | — | NS005911 | 1975-12-09 | Active | EAGLE BUTTE |
| Tri-Cross Dairy, LLC | — | DL049764 | 2016-08-31 | Active | FARMINGTON |
| TRI-CROSS RENEWABLE ENERGY, LLC | — | FL224225 | 2022-04-04 | Active | Newport Beach |
| TRI-DAK, INC. | — | DB030477 | 1991-03-29 | Dissolved | HURON |
| TRI-DEL FAMILY LIMITED PARTNERSHIP | — | DP001067 | 1999-08-30 | Inactive | — |
| TRI-DEL GOLF CLUB | — | DB004777 | 1954-10-28 | Active | Delmont |
| TRI-FIVE SPORTS, LLC | — | DL023858 | 2011-02-22 | Dissolved | MCCOOK LAKE |
| TRI-GENERATION PROPERTIES LLP | — | DR001488 | 2012-06-22 | Active | RAPID CITY |
| TRI-GUY, LLC | — | DL017542 | 2008-10-16 | Dissolved | Milbank |
| Tri-Innovations Consulting LLC | — | FL321364 | 2026-02-20 | Active | FORT WORTH |
| TRI-M COMMUNICATIONS, INC. | — | FB021546 | 1998-07-10 | Revoked | SANTA BARBARA |
| TRI-M ENGINEERING, INC. | — | DB041732 | 1999-08-10 | Dissolved | PALM HARBOR |
| Tri-M Engineering, Inc. | — | DB164204 | 2019-06-01 | Dissolved | Rapid City |
| TRI-M FREIGHT, INC. | — | DB030798 | 1991-07-10 | Inactive | — |
| Tri-Mart LLC | — | DL194855 | 2021-01-16 | Active | Rapid City |
| TRI-MU-2, INC. | — | DB026928 | 1987-12-09 | Inactive | — |
| TRI-NORTH BUILDERS, INC. | — | FB013206 | 1989-11-17 | Active | Fitchburg |
| TRI-O, L.L.C. | — | DL014003 | 2007-05-31 | Dissolved | CROOKS |
| Tri-Pine LLC | — | DL321027 | 2026-02-18 | Active | Corsica |
| TRI-PLAINS CONSTRUCTION CORPORATION | — | DB021360 | 1982-03-09 | Inactive | — |
| TRI-PRO INDUSTRIES, LLC | — | DL022517 | 2010-09-30 | Dissolved | WATERTOWN |
| TRI-PROPERTIES, INC. | — | DB016188 | 1978-12-07 | Dissolved | — |
| Tri-R, LLC | — | DL205045 | 2021-06-21 | Active | Brandon |