| Black Diamond Enterprise, LLC | 0007149231 | 2025-08-15 | Active | BISMARCK |
| Black Diamond Estates, LLC | 0006735570 | 2024-07-24 | Dissolved | WILLISTON |
| Black Diamond Farm, LLC | 0005413523 | 2021-01-29 | Dissolved | RUGBY |
| BLACK DIAMOND GROUP, INC. | 0000163063 | 2017-07-18 | Dissolved | ESCONDIDO |
| Black Diamond Hotshots LLC | 0002854374 | 2019-08-02 | Dissolved | WILLISTON |
| Black Diamond Inspection, LLC | 0002791526 | 2019-05-22 | Dissolved | BEULAH |
| Black Diamond Inspections LLC | 0006566022 | 2024-01-22 | Dissolved | WILLISTON |
| BLACK DIAMOND INSTALLATION LLC | 0000108139 | 2011-07-01 | Dissolved | WILLISTON |
| Black Diamond Investment Group, LLC | 0007496523 | 2026-05-19 | Active | WILLISTON |
| BLACK DIAMOND LAWNCARE, LLC | 0000131919 | 2013-10-29 | Dissolved | MENOKEN |
| Black Diamond LLC | 0006192812 | 2023-02-14 | Active | FARGO |
| BLACK DIAMOND LLC | 0000132544 | 2013-11-16 | Dissolved | IONA |
| BLACK DIAMOND LOGISTICS LLC | 0007531935 | 2026-06-19 | Active | DICKINSON |
| BLACK DIAMOND LOGISTICS, INC. | 0000152649 | 2016-03-09 | Dissolved | BISMARCK |
| Black Diamond Nationwide LLC | 0005547801 | 2021-06-17 | Dissolved | OKLAHOMA CITY |
| BLACK DIAMOND NETWORKS, INC. | 0000079110 | 2005-03-09 | Dissolved | ANDOVER |
| BLACK DIAMOND NETWORKS, INC. | 0005591530 | 2021-08-25 | Dissolved | ANDOVER |
| BLACK DIAMOND NETWORKS, LLC | 0006356603 | 2023-08-22 | Active | ANDOVER |
| Black Diamond Oilfield Rentals LLC | 0006499161 | 2023-12-06 | Active | HOUSTON |
| Black Diamond Plumbing LLC | 0007529357 | 2026-06-17 | Active | DICKINSON |
| Black Diamond Productions L.L.C. | 0003008879 | 2020-01-02 | Dissolved | BISMARCK |
| BLACK DIAMOND PROPANE LLC | 0000157177 | 2016-10-10 | Dissolved | WILLISTON |
| Black Diamond Properties LLC | 0006754740 | 2024-08-29 | Dissolved | WILLISTON |
| BLACK DIAMOND PROPERTIES, LLC | 0000117022 | 2012-05-04 | Dissolved | BISMARCK |
| BLACK DIAMOND REALTY, LLC | 0000117943 | 2012-06-01 | Dissolved | VAIL |
| BLACK DIAMOND RESOURCES LLC | 0000142961 | 2014-12-23 | Dissolved | MINOT |
| BLACK DIAMOND SERVICES LLC | 0000132968 | 2014-01-07 | Dissolved | DICKINSON |
| Black Diamond Services LLC | 0005439879 | 2021-02-22 | Dissolved | BOWMAN |
| Black Diamond Solutions LLC | 0006209472 | 2023-03-09 | Active | WILLISTON |
| Black Diamond Townhomes II, LLC | 0005455413 | 2021-03-11 | Active | FARGO |
| BLACK DIAMOND TOWNHOMES, LLC | 0000168197 | 2018-03-24 | Dissolved | FARGO |
| BLACK DIAMOND TRUCKING INCORPORATED | 0000047881 | 1996-05-29 | Active | WEST FARGO |
| BLACK DIAMOND WELL SERVICES, LLC | 0000159439 | 2017-02-14 | Active | PLENTYWOOD |
| Black Diaspora Collective of the Bakken | 0005534681 | 2021-06-14 | Dissolved | WILLISTON |
| Black Dimon Events & Catering etc. LLC | 0006078112 | 2022-11-17 | Dissolved | FARGO |
| Black Dirt Ag, LLC | 0007498394 | 2026-05-21 | Active | WEST FARGO |
| Black Dirt Crop Insurance Agency Inc. | 0000070934 | 2002-05-31 | Active | WAHPETON |
| BLACK DIRT, INC. | 0000077726 | 2004-11-15 | Active | ADRIAN |
| Black Dog Bits LLC | 0006236790 | 2023-03-21 | Active | WILLISTON |
| Black Dog Companies LLC | 0006023744 | 2022-09-13 | Dissolved | WEST FARGO |
| Black Dog Construction, LLC | 0002772390 | 2019-05-03 | Dissolved | FARGO |
| Black Dog Consulting Limited | 0007046811 | 2025-04-02 | Active | DICKINSON |
| BLACK DOG DEVELOPMENT, LLC | 0000162686 | 2017-06-27 | Dissolved | FARGO |
| Black Dog Holdings, LLC | 0006867340 | 2024-11-13 | Active | FARGO |
| Black Dog Lawn Care LLC | 0005287178 | 2020-09-24 | Active | GRAND FORKS |
| Black Dog Lending group LLC | 0006023750 | 2022-09-12 | Dissolved | WEST FARGO |
| Black Dog Marketing LLC | 0006032165 | 2022-09-19 | Dissolved | WEST FARGO |
| Black Dog Ranch & Range LTD | 0006188380 | 2023-02-14 | Dissolved | STREETER |
| BLACK DOG SPRAYING, LLC | 0000098673 | 2010-03-03 | Active | MOTT |
| Black Dog Woodworks LLC | 0006265217 | 2023-04-28 | Dissolved | WEST FARGO |