| .bestbuy | BBY Solutions, Inc. | — |
| .bet | Identity Digital Limited | — |
| .bharti | Bharti Enterprises (Holding) Private Limited | — |
| .bible | American Bible Society | — |
| .bid | dot Bid Limited | — |
| .bike | Binky Moon, LLC | — |
| .bing | Microsoft Corporation | — |
| .bingo | Binky Moon, LLC | — |
| .bio | Identity Digital Limited | — |
| .black | Identity Digital Limited | — |
| .blackfriday | Registry Services, LLC | — |
| .blockbuster | Dish DBS Corporation | — |
| .blog | Knock Knock WHOIS There, LLC | — |
| .bloomberg | Bloomberg IP Holdings LLC | — |
| .blue | Identity Digital Limited | — |
| .bms | Bristol-Myers Squibb Company | — |
| .bmw | Bayerische Motoren Werke Aktiengesellschaft | — |
| .bnpparibas | BNP Paribas | — |
| .boats | XYZ.COM LLC | — |
| .boehringer | Boehringer Ingelheim International GmbH | — |
| .bofa | Bank of America Corporation | — |
| .bom | Núcleo de Informação e Coordenação do Ponto BR - NIC.br | — |
| .bond | Shortdot SA | — |
| .boo | Charleston Road Registry Inc. | — |
| .book | Amazon Registry Services, Inc. | — |
| .booking | Booking.com B.V. | — |
| .bosch | Robert Bosch GMBH | — |
| .bostik | Bostik SA | — |
| .boston | Registry Services, LLC | — |
| .bot | Amazon Registry Services, Inc. | — |
| .boutique | Binky Moon, LLC | — |
| .box | Intercap Registry Inc. | — |
| .bradesco | Banco Bradesco S.A. | — |
| .bridgestone | Bridgestone Corporation | — |
| .broadway | Celebrate Broadway, Inc. | — |
| .broker | Dog Beach, LLC | — |
| .brother | Brother Industries, Ltd. | — |
| .brussels | DNS.be vzw | — |
| .build | Plan Bee LLC | — |
| .builders | Binky Moon, LLC | — |
| .business | Binky Moon, LLC | — |
| .buy | Amazon Registry Services, INC | — |
| .buzz | DOTSTRATEGY CO. | — |
| .bzh | Association www.bzh | — |
| .cab | Binky Moon, LLC | — |
| .cafe | Binky Moon, LLC | — |
| .cal | Charleston Road Registry Inc. | — |
| .call | Amazon Registry Services, Inc. | — |
| .calvinklein | PVH gTLD Holdings LLC | — |
| .cam | CAM Connecting SarL | — |