| Black Salt Games | 🍎 | 1 | 4.3★ | Games |
| Black Stores Establishment for Trading and Marketing. | 🍎 | 1 | 4.5★ | Shopping |
| Black Tie Events | 🍎 | 1 | 5.0★ | Music |
| Black Tower Investments Ltd. | 🍎 | 1 | 4.5★ | Finance |
| Black-Track | 🍎 | 1 | — | News |
| BlackBerry Corporation | 🍎 | 1 | 2.3★ | Business |
| BlackBox BI Consultancy Ng | 🍎 | 1 | — | Business |
| BlackBoxStocks | 🍎 | 1 | 4.3★ | Finance |
| BlackFire.pl | 🍎 | 1 | 5.0★ | Finance |
| BlackJack Trainer 21 Training AG | 🍎 | 1 | 4.7★ | Games |
| BlackLight Studio Works | 🍎 | 1 | 4.7★ | Games |
| BlackMuse Software | 🍎 | 1 | 4.0★ | Education |
| Blackbeard Treasure | 🍎 | 1 | 4.5★ | Reference |
| Blackbelt Apps LLC | 🍎 | 1 | 4.8★ | Sports |
| Blackbird Labs, Inc | 🍎 | 1 | 4.8★ | Food & Drink |
| Blackhawk Network | 🍎 | 1 | 4.8★ | Finance |
| Blackium Solutions SARL | 🍎 | 1 | — | Shopping |
| Blacklane GmbH | 🍎 | 1 | 4.9★ | TRAVEL |
| Blackout Sports Limited | 🍎 | 1 | 4.2★ | Games |
| Blacksmith Co.Ltd | 🍎 | 1 | — | Lifestyle |
| Blackstar Amplification Ltd. | 🍎 | 1 | 3.0★ | Music |
| Blackstar Co.,Ltd. | 🍎 | 1 | 4.6★ | News |
| Blackthorn.io, Inc. | 🍎 | 1 | 4.5★ | Finance |
| Blade SAS | 🍎 | 1 | 3.7★ | Productivity |
| Blagovest Dachev | 🍎 | 1 | 4.4★ | Education |
| Blaine Cobban | 🍎 | 1 | — | MEDICAL |
| Blaine Dennis | 🍎 | 1 | 2.2★ | Lifestyle |
| Blaine Hodge | 🍎 | 1 | 4.8★ | Games |
| Blaine School District | 🍎 | 1 | 3.8★ | Education |
| Blaise Sebagabo | 🍎 | 1 | 4.6★ | Reference |
| Blake Bruseloff | 🍎 | 1 | 5.0★ | Social Networking |
| Blake Nichols | 🍎 | 1 | 5.0★ | Business |
| Blake Williams | 🍎 | 1 | — | SPORTS |
| BlakeHill Real Estate, Inc. | 🍎 | 1 | 5.0★ | Lifestyle |
| Blamsoft, Inc. | 🍎 | 1 | 5.0★ | Music |
| Blank Labs LLC | 🍎 | 1 | 4.3★ | Lifestyle |
| Blank Page Marketing, LLC | 🍎 | 1 | 4.9★ | Business |
| Blank Street Inc. | 🍎 | 1 | 4.9★ | Food & Drink |
| Blaro | 🍎 | 1 | 4.8★ | Games |
| Blas Prieto | 🍎 | 1 | — | Health & Fitness |
| Blast Bit Enterprises AB | 🍎 | 1 | 4.6★ | Games |
| Blast Off to Learning, LLC | 🍎 | 1 | 2.8★ | Education |
| BlastWave Inc. | 🍎 | 1 | 5.0★ | Business |
| Blastoff Design | 🍎 | 1 | 4.7★ | Travel |
| Blastworks Limited | 🍎 | 1 | 4.5★ | Games |
| Blavity Inc. | 🍎 | 1 | 5.0★ | Travel |
| Blaze Media LLC | 🍎 | 1 | — | NEWS |
| Blaze Pizza | 🍎 | 1 | 4.9★ | Food & Drink |
| BlazeTrade, Inc. | 🍎 | 1 | 4.9★ | Finance |
| Blazej Stanek | 🍎 | 1 | 4.7★ | Reference |