| Babylonia Vertalingen | Friesland |
| Backshop Healthy Computing B.V. | South Holland |
| Backup in Business | North Brabant |
| Bakker & Spees | North Holland |
| Bakkers Consulting B.V. | |
| BankingLab B.V. | North Holland |
| Bankr | North Holland |
| BAP automatisering | |
| BARBURAS | |
| Bargary B.V. | |
| Barmaton | North Brabant |
| Bas Geertsema | Utrecht |
| Baserow | |
| basicHost.nl | |
| Basis Cloud Solutions | North Holland |
| Basix Graphic Design | North Holland |
| Batavia Biosciences B.V. | |
| Batavia Biosciences B.V. | |
| Batenburg Industrial Automation | |
| Batterij Import Nederland B.V. | North Brabant |
| Bauer Web Studios | South Holland |
| Bavak Beveiligingsgroep B.V. | South Holland |
| BBIT automatisering | South Holland |
| BBP Media B.V. | Utrecht |
| BCP Software B.V. | Utrecht |
| BCT Software | Limburg |
| BE Semiconductor Industries N.V. | Gelderland |
| Beamerspecialist | North Holland |
| Beansters | North Holland |
| BearingPoint | South Holland |
| Beat-it.nl | Gelderland |
| Becs IT Services | Limburg |
| Becurious B.V. | |
| Bedrijfs Informatie Systemen B.V. | South Holland |
| Beeinformed | North Holland |
| Beerepoot Automatisering B.V. | North Holland |
| beeSeen | Flevoland |
| BeeTronics | Utrecht |
| Beheer Backup B.V. | North Holland |
| BeleefAV | Gelderland |
| BelGan B.V. | |
| Believe | Overijssel |
| Bellen.com | Groningen |
| Bellmann B.V. | North Holland |
| Belwinkel.nl | South Holland |
| Bencom Group B.V. | Groningen |
| Bentis B.V. | Limburg |
| Bert Spin | North Brabant |
| BESAMU electronics | Overijssel |
| Besturingen.com | South Holland |