| BLACK HILLS QMG, LLC | DL015007 | 2007-11-06 | Active | MINA |
| BLACK HILLS QUALITY BUILDING EXCHANGE LLC | DL022413 | 2010-09-15 | Dissolved | DEADWOOD |
| Black Hills Quality Motors, LLC | DL224106 | 2022-04-04 | Active | Rapid City |
| BLACK HILLS QUALITY MOTORS, LLC | DL022149 | 2010-08-13 | Dissolved | RAPID CITY |
| BLACK HILLS QUALITY PROPERTIES, LLC | DL223277 | 2022-03-23 | Dissolved | RAPID CITY |
| BLACK HILLS QUILTERS GUILD | NS006258 | 1977-06-10 | Active | RAPID CITY |
| BLACK HILLS RADIO ASSISTANCE TEAM | NS007860 | 1984-05-10 | Inactive | — |
| Black Hills Radon Specialists, LLC | DL158827 | 2019-01-14 | Dissolved | Rapid City |
| Black Hills Railings LLC | DL270394 | 2024-03-11 | Dissolved | Rapid City |
| BLACK HILLS RAILS TO TRAILS ASSOCIATION, INC. | NS009101 | 1990-02-05 | Inactive | — |
| BLACK HILLS RALLY & GOLD, INC. | DB046349 | 2003-01-13 | Active | Sturgis |
| Black Hills Ranch | FN243233 | 2023-01-29 | Inactive | Etna |
| Black Hills Ranch LLC | DL263621 | 2023-12-04 | Dissolved | RAPID CITY |
| BLACK HILLS RAPTOR CENTER, INC. | NS014495 | 2010-12-27 | Active | RAPID CITY |
| Black Hills Re-Sider's LLC | DL274722 | 2024-05-10 | Active | Rapid City |
| Black Hills Real Estate Cleaners LLC | DL223225 | 2022-03-22 | Dissolved | Box Elder |
| Black Hills Real Estate Investments LLC | DL255333 | 2023-07-25 | Active | Watertown |
| Black Hills Real Estate Photography, LLC | DL150828 | 2018-07-09 | Active | Spearfish |
| BLACK HILLS REAL ESTATE R US, INC. | DB137686 | 2017-10-01 | Active | PIEDMONT |
| BLACK HILLS REAL ESTATE, L.L.C. | DL007521 | 2004-06-24 | Active | Deadwood |
| BLACK HILLS REALTY CO. | DB025142 | 1986-02-24 | Active | rapid city |
| Black Hills Receiver LLC | FL147852 | 2018-05-04 | Inactive | Plano |
| BLACK HILLS RECEPTIONS & RENTALS, L.L.C. | DL004511 | 2002-02-28 | Inactive | RAPID CITY |
| Black Hills Reclaimers, LLC | DL046940 | 2016-02-01 | Inactive | BELLE FOURCHE |
| BLACK HILLS RECOVERY NETWORK, INC. | NS013792 | 2008-08-01 | Active | Hermosa |
| BLACK HILLS RECREATION LEADERS LABORATORY, INC. | FN003505 | 1970-02-09 | Revoked | LARAMIE |
| Black Hills Recreation LLC | DL267455 | 2024-01-30 | Active | Deadwood |
| Black Hills Recreation Rentals, LLC | DL166927 | 2019-07-03 | Active | WHITEWOOD |
| BLACK HILLS RECREATION, INC. | DB032213 | 1992-10-08 | Dissolved | — |
| BLACK HILLS RECREATIONAL DEALERS ASSOCIATION | NS014466 | 2010-11-18 | Active | RAPID CITY |
| Black Hills Recreational Storage LLC | DL219032 | 2022-02-01 | Dissolved | Spearfish |
| Black Hills Recycling and Refuse, LLC | DL186191 | 2020-08-17 | Dissolved | Rapid City |
| BLACK HILLS RED DOGS, INC. | DB046867 | 2003-05-14 | Dissolved | STURGIS |
| BLACK HILLS REFUSE SERVICE, INC. | DB014478 | 1977-06-30 | Inactive | — |
| BLACK HILLS REGION HOMELESS COALITION | NS011909 | 2001-12-17 | Dissolved | RAPID CITY |
| BLACK HILLS REGIONAL ANESTHESIA SERVICES, INC. | DB032997 | 1993-05-05 | Dissolved | — |
| BLACK HILLS REGIONAL ANESTHESIA SERVICES, P.C. | DB041843 | 1999-09-16 | Inactive | — |
| BLACK HILLS REGIONAL ANGEL FUND II LLC | DL043882 | 2015-06-04 | Active | BROOKINGS |
| Black Hills Regional Angel Fund III, LLC | DL197905 | 2021-03-04 | Active | Brookings |
| Black Hills Regional Angel Fund LLC | DL035850 | 2013-12-02 | Active | Brookings |
| BLACK HILLS REGIONAL EYE INSTITUTE FOUNDATION | NS008498 | 1987-03-24 | Dissolved | — |
| BLACK HILLS REGIONAL EYE INSTITUTE REAL ESTATE LEASING COMPANY, LLC | DL004282 | 2001-12-17 | Inactive | RAPID CITY |
| BLACK HILLS REGIONAL EYE INSTITUTE REFRACTIVE SURGERY CENTER, LLC | DL004280 | 2001-12-17 | Active | Rapid City |
| BLACK HILLS REGIONAL EYE INSTITUTE, LLP | DR000563 | 2001-06-11 | Active | Rapid City |
| BLACK HILLS REGIONAL EYE SURGERY CENTER, LLC | DL004012 | 2001-08-21 | Active | RAPID CITY |
| BLACK HILLS REGIONAL MULTIPLE USE COALITION | NS009507 | 1991-10-25 | Active | RAPID CITY |
| BLACK HILLS REGIONAL ORTHODONTICS, P.C. | DB045404 | 2002-05-01 | Inactive | — |
| BLACK HILLS REGIONAL SKI FOR LIGHT, INC. | NS006784 | 1979-08-27 | Active | Rapid City |
| BLACK HILLS REHABILITATION HOSPITAL, INC. | NS007663 | 1983-10-13 | Inactive | — |
| Black Hills Remodel and Repair LLC | DL246265 | 2023-03-11 | Active | RAPID CITY |
| BLACK HILLS REMODELERS LLC | DL045224 | 2015-09-23 | Active | rapid city |
| Black Hills Remodeling LLC | DL204446 | 2021-06-09 | Dissolved | Rapid City |
| BLACK HILLS REMODELMEN INC. | DB034486 | 1994-06-10 | Active | Rapid City |
| Black Hills Renaissance Festival LLC | DL300509 | 2025-05-17 | Suspended | Rapid City |
| BLACK HILLS RENDEZVOUS, INC. | DB053562 | 2008-05-01 | Active | Spearfish |
| BLACK HILLS RENEWALS, LLC | DL025455 | 2011-08-17 | Inactive | RAPID CITY |
| Black Hills Renovations LLC | DL148727 | 2018-05-24 | Active | Rapid City |
| BLACK HILLS RENOVATIONS, INC. | DB050247 | 2005-10-20 | Inactive | — |
| BLACK HILLS RENTALS, LLC | DL030668 | 2012-12-21 | Dissolved | Rapid City |
| Black Hills Repair, LLC | DL139820 | 2017-11-15 | Inactive | Spearfish |
| BLACK HILLS REPEATS LLC | DL021798 | 2010-06-25 | Dissolved | RAPID CITY |
| BLACK HILLS REPORTING, INC. | DB054004 | 2008-10-31 | Inactive | RAPID CITY |
| BLACK HILLS REPTILE GARDENS, INC. | DB013475 | 1976-03-25 | Active | RAPID CITY |
| Black Hills Rescue LLC | DL216746 | 2021-12-18 | Active | Hermosa |
| BLACK HILLS RESCUE TRANSPORT (BHRT) | NS015073 | 2013-03-11 | Dissolved | RAPID CITY |
| BLACK HILLS RESORTS, INC. | DB014675 | 1977-09-21 | Dissolved | Rapid City |
| BLACK HILLS RESOURCE CONSERVATION AND DEVELOPMENT ASSOCIATION INCORPORATED | NS009640 | 1992-06-11 | Dissolved | RAPID CITY |
| BLACK HILLS RESOURCES, INC. | DB020863 | 1981-08-05 | Inactive | — |
| BLACK HILLS RESOURCES, LLC | DL003833 | 2001-06-07 | Dissolved | — |
| BLACK HILLS RESPIRATORY CARE, INC. | DB056675 | 2012-02-16 | Dissolved | RAPID CITY |
| BLACK HILLS RESTAURANT ADVERTISING, INC. | DB027722 | 1988-09-27 | Dissolved | RAPID CITY |
| BLACK HILLS RESTORATION | DT000129 | 2007-04-03 | Active | — |
| Black Hills Restoration and Roofing LLC | FL042525 | 2014-03-18 | Revoked | DENVER |
| BLACK HILLS RESTORATION RECOVERY | DT000130 | 2007-04-03 | Active | — |
| BLACK HILLS RETIRED LIFE SOLUTIONS, INC. | DB054912 | 2009-11-18 | Dissolved | RAPID CITY |
| Black Hills Retreats, L.L.C. | DL041680 | 2014-12-22 | Active | Custer |
| Black Hills Reverie LLC | DL131474 | 2017-03-13 | Dissolved | SPEARFISH |
| BLACK HILLS RIDING CLUB | NS010566 | 1996-05-08 | Dissolved | Rapid City |
| BLACK HILLS RIFLE COMPANY, LLC | FL003763 | 2007-10-09 | Revoked | STURGIS |
| BLACK HILLS RIG HEATERS | DT000058 | 2005-09-21 | Active | — |
| Black Hills Road Trip of Hope | NS198349 | 2021-03-10 | Active | RAPID CITY |
| Black Hills Roadside Service & Truck Repair LLC | DL331005 | 2026-06-12 | Active | Rapid City |
| Black Hills Robotics Foundation, Inc. | NS283962 | 2024-09-28 | Active | Deadwood |
| Black Hills Rock Creations, LLC | DL292501 | 2025-02-04 | Inactive | Rapid City |
| Black Hills Rod & Custom LTD. | DL201620 | 2021-04-25 | Active | RAPID CITY |
| BLACK HILLS ROD & GUN CLUB | NS002297 | 1937-03-10 | Dissolved | LEAD |
| BLACK HILLS RODEO SCHOLARSHIP FUND, INC. | NS012747 | 2005-02-03 | Active | SPEARFISH |
| Black Hills Roller Derby League | NS014958 | 2012-10-12 | Dissolved | Rapid City |
| Black Hills Roof Consultants, LLC | DL037173 | 2014-01-24 | Dissolved | RAPID CITY |
| Black Hills Roofers Association, L.L.C. | DL133056 | 2017-05-02 | Dissolved | Rapid City |
| BLACK HILLS ROOFING CO., LTD. | DB025138 | 1986-02-21 | Inactive | — |
| Black Hills Roots Contracting LLC | DL246278 | 2023-03-12 | Dissolved | Rapid City |
| BLACK HILLS ROPING CLUB, INC. | NS007681 | 1968-02-26 | Inactive | — |
| Black Hills Rose LLC | DL330513 | 2026-06-05 | Active | CUSTER |
| Black Hills Rose, LLC | DL129689 | 2017-01-17 | Inactive | CUSTER |
| Black Hills Rough Cut, LLC | DL332004 | 2026-06-25 | Active | Buffalo Gap |
| Black Hills Roundhouse Bar & Grill LLC | DL214643 | 2021-11-17 | Dissolved | Lead |
| BLACK HILLS ROUNDUP | NS010839 | 1997-08-15 | Active | BELLE FOURCHE |
| BLACK HILLS ROUNDUP CHUTES FOR CHARITY | NS014684 | 2011-09-26 | Active | BELLE FOURCHE |
| BLACK HILLS ROUNDUP FOUNDATION | NS173378 | 2019-11-22 | Active | BELLE FOURCHE |
| Black Hills Royal Corner LLC | DL315921 | 2025-12-17 | Active | Rapid City |
| Black Hills Royale, LLC | DL260411 | 2023-10-10 | Active | Hot Springs |
| Black Hills RR LLC | DL323351 | 2026-03-15 | Active | Rapid City |
| Black Hills Rubble Management, LLC | DL049432 | 2016-07-29 | Active | Box Elder |
| BLACK HILLS RUNNER'S CLUB | NS013651 | 2008-02-22 | Active | RAPID CITY |
| Black Hills Running Company, LLC | DL205239 | 2021-06-23 | Active | Rapid City |
| Black Hills Rustic Comforts LLC | DL188377 | 2020-09-28 | Dissolved | Black Hawk |
| Black Hills RV and Recreation LLC | DL213014 | 2021-10-25 | Dissolved | Rapid City |
| Black hills RV Camp N Cabins LLC | DL130139 | 2017-01-30 | Dissolved | Watertown |
| Black Hills RV Park, LLC | DL154644 | 2018-10-02 | Active | RAPID CITY |
| BLACK HILLS RV RENTALS, L.L.C. | DL002213 | 1999-04-16 | Inactive | CUSTER |
| Black Hills RV Rentals, LLC | DL040506 | 2014-09-30 | Dissolved | RAPID CITY |
| Black Hills RV Rentals, LLC | DL202271 | 2021-05-04 | Dissolved | Rapid City |
| Black Hills RV Sales and Service, LLC | DL216009 | 2021-12-08 | Active | RAPID CITY, SD 4871 S I90 SERVICE RD |
| Black Hills RV, Boat & Self-Storage LLC | DL207666 | 2021-08-03 | Dissolved | WATERTOWN |
| Black Hills RVs LLC | DL302881 | 2025-06-19 | Active | Rapid City |
| BLACK HILLS RYO CLUB | NS014905 | 2012-08-08 | Dissolved | — |
| Black Hills Safari Riders LLC | DL260007 | 2023-10-03 | Dissolved | Rapid City |
| Black Hills Safari Riderz LLC | DL250060 | 2023-05-03 | Dissolved | RAPID CITY |
| Black Hills Safety Consulting, LLC | DL138495 | 2017-10-16 | Dissolved | Spearfish |
| BLACK HILLS SAFETY, L.L.C. | DL001500 | 1997-12-22 | Inactive | — |
| BLACK HILLS SAILING ASSOCIATION | NS011443 | 2000-03-06 | Active | Rapid City |
| Black Hills Salt Cave and Spa LLC | DL155793 | 2018-10-30 | Active | Spearfish |
| Black Hills Sanitary Solutions LLC | DL308030 | 2025-08-28 | Active | Rapid City |
| BLACK HILLS SANITATION LLC | DL259593 | 2023-09-26 | Inactive | SPEARFISH |
| Black Hills Sapphire Transportation LLC | DL333836 | 2026-07-16 | Active | Watertown |
| BLACK HILLS SATIR INSTITUTE | NS009193 | 1990-06-26 | Inactive | — |
| BLACK HILLS SAUNA MANUFACTURING, INC. | DB028237 | 1989-03-24 | Inactive | — |
| Black Hills Schole School LLC | DL233062 | 2022-08-22 | Inactive | Hill City |
| BLACK HILLS SCHOOL OF REAL ESTATE, LLC | DL005864 | 2003-05-14 | Active | RAPID CITY |
| Black Hills School of Supernatural Ministry | NS142957 | 2018-01-23 | Active | Box Elder |
| Black Hills Scoop Squad, LLC | DL298539 | 2025-04-22 | Active | Hot Springs |
| Black Hills Scootours, LLC | DL146210 | 2018-03-30 | Inactive | KEYSTONE |
| BLACK HILLS SCOTTISH RITE FOUNDATION | NS014614 | 2011-06-02 | Active | DEADWOOD |
| Black Hills SD Realty, LLC | DL127902 | 2016-11-19 | Active | Rapid City |
| Black Hills SDVOSB, LLC | DL255753 | 2023-07-31 | Active | Fort Pierre |
| Black Hills Seamless Siding LLC | DL041043 | 2014-11-14 | Inactive | RAPID CITY |
| Black Hills Secluded Retreat, LLC | DL215085 | 2021-11-23 | Active | Lead |
| BLACK HILLS SELF STORAGE, LLC | DL010402 | 2005-12-27 | Active | RAPID CITY |
| BLACK HILLS SEMINARS, INC. | DB034653 | 1994-07-27 | Inactive | — |
| BLACK HILLS SENIOR OLYMPICS, INC. | NS008682 | 1988-02-18 | Dissolved | RAPID CITY |
| Black Hills Senior Solutions LLC | DL306733 | 2025-08-12 | Active | Rapid City |
| Black Hills Septic & Ditching, Inc. | DB058536 | 2014-01-02 | Active | RAPID CITY |
| Black Hills Septic & Pumping Service LLC | DL175271 | 2020-01-03 | Active | Custer |
| BLACK HILLS SERVICE COMPANY, LLC | DL008432 | 2004-12-30 | Active | Rapid City |
| Black Hills Services LLC | DL300529 | 2025-05-18 | Suspended | Edgemont |
| Black Hills Sewer & Drain Solutions LLC | DL304410 | 2025-07-10 | Active | Custer |
| Black Hills Sewing Services, LLC | DL316040 | 2025-12-18 | Active | Custer |
| Black Hills Shepherd Holdings LLC | DL252228 | 2023-06-05 | Active | Rapid City |
| Black Hills Shoe Repair LLC | DL268951 | 2024-02-21 | Dissolved | Rapid City |
| BLACK HILLS SHOOTERS SUPPLY, INC. | DB021051 | 1981-10-15 | Active | RAPID CITY |
| BLACK HILLS SHOOTIST ASSOCIATION LTD. | NS014438 | 2010-10-22 | Active | Piedmont |
| Black Hills Short Term Rental Association LLC | DL208022 | 2021-08-09 | Dissolved | Custer |
| Black Hills Shuttle LLC | DL266205 | 2024-01-11 | Active | LEAD |
| Black Hills Shuttle, LLC | DL148276 | 2018-05-15 | Dissolved | Rapid City |
| Black Hills Siding LLC | DL148976 | 2018-06-01 | Active | PIEDMONT |
| Black Hills Sightseeing Tours LLC | DL228097 | 2022-06-01 | Active | Keystone |
| Black Hills Silver Consultants, LLC | DL039052 | 2014-06-04 | Dissolved | MADISON |
| BLACK HILLS SILVER, INC. | DB020037 | 1980-09-23 | Inactive | — |
| BLACK HILLS SIOUX INDIAN FIRE FIGHTERS, INC. | NS008048 | 1985-03-05 | Inactive | — |
| Black Hills Site Works LLC | DL162867 | 2019-04-07 | Active | Whitewood |
| Black Hills Skate Company LLC | DL292880 | 2025-02-09 | Active | spearfish |
| BLACK HILLS SKI CLUB | NS010278 | 1995-02-24 | Active | RAPID CITY |
| BLACK HILLS SKI TEAM, INC. | NS014815 | 2012-04-12 | Active | Rapid city |
| BLACK HILLS SKIN AND BEAUTY, LLC | DL028101 | 2012-05-07 | Inactive | RAPID CITY |
| BLACK HILLS SLATE ART CO. | DB014205 | 1977-03-16 | Inactive | — |
| Black Hills Sleep & TMJ Solutions, PLLC | DL187785 | 2020-09-16 | Active | Rapid City |
| Black Hills Smart Homes LLC | DL175520 | 2020-01-08 | Active | Whitewood |
| BLACK HILLS SNOW AND ICE, LLC | DL041892 | 2015-01-12 | Dissolved | WHITEWOOD |
| BLACK HILLS SNOWMOBILE CLUB | NS005045 | 1971-01-28 | Active | RAPID CITY |
| BLACK HILLS SNOWMOBILE RENTALS LLC | DL041990 | 2015-01-20 | Dissolved | LEAD |
| Black Hills Soaps, LLC | DL316290 | 2025-12-22 | Active | Rapid City |
| BLACK HILLS SOARING CLUB, INC. | NS012459 | 2003-12-22 | Dissolved | RAPID CITY |
| BLACK HILLS SOCCER ASSOCIATION, INC. | NS012423 | 2003-11-07 | Inactive | — |
| Black HIlls Soccer Federation, Inc. | NS006995 | 1980-09-11 | Active | RAPID CITY |
| Black Hills Social Media Management LLC | DL209450 | 2021-09-01 | Active | Spearfish |
| BLACK HILLS SOCIETY FOR HUMAN RESOURCE MANAGEMENT | NS014981 | 2012-11-08 | Active | RAPID CITY |
| Black Hills Software LLC | DL143972 | 2018-02-14 | Dissolved | Box Elder |
| Black Hills Solar Inc | DB158241 | 2019-01-02 | Active | Rapid City |
| Black Hills Solutions, Inc. | DB143971 | 2018-02-14 | Dissolved | box elder |
| Black Hills Somatic Solutions, LLC | DL289702 | 2025-02-01 | Active | Rapid City |
| BLACK HILLS SONGWRITERS | NS012408 | 2003-10-20 | Inactive | — |
| Black Hills Soul LLC | DL207692 | 2021-08-04 | Active | Rapid City |
| Black Hills Sound Bath LLC | DL302825 | 2025-06-18 | Inactive | Rapid City |
| Black Hills Sound, LLC | DL243796 | 2023-02-06 | Active | Piedmont |
| Black Hills Sourdough LLC | DL270636 | 2024-03-13 | Dissolved | RAPID CITY |
| Black Hills Southern Realty LLC | DL293546 | 2025-02-18 | Active | Custer |
| BLACK HILLS SOUVENIRS & GIFTS, INC. | DB022548 | 1983-06-30 | Dissolved | RAPID CITY |
| BLACK HILLS SPACE-TECH, INC. | DB024157 | 1985-02-04 | Inactive | — |
| BLACK HILLS SPAS, INC. | DB027729 | 1988-09-29 | Inactive | — |
| BLACK HILLS SPECIALTY PHYSICIANS | NS010935 | 1997-12-11 | Inactive | — |
| Black Hills Specialty Services LLC | DL301988 | 2025-06-08 | Active | Rapid City |
| Black Hills Speech Solutions LLC | DL298710 | 2025-04-25 | Active | Spearfish |
| BLACK HILLS SPEECH, INC. | DB046506 | 2003-02-20 | Dissolved | NEMO |
| Black Hills Speedway Hall of Fame Incorporated | NS184435 | 2020-07-13 | Active | Box Elder |
| Black Hills Speedway LLC | DL037238 | 2013-12-16 | Dissolved | RAPID CITY |
| BLACK HILLS SPEEDWAY OF RAPID CITY, LTD. | DB021919 | 1982-11-17 | Dissolved | — |
| Black Hills Speedway, LLC | DL176404 | 2020-01-27 | Active | GILLETTE |
| Black Hills Spice Girls, L.L.C. | DL044412 | 2015-07-17 | Active | RAPID CITY |
| Black Hills Spices LLC | DL278574 | 2024-10-07 | Active | Rapid City |