| ID | Name | Type |
|---|---|---|
| #23078 | Boguelin | + |
| #1811 | Boguslaw Juza | + |
| #1812 | Boguslaw Wozniak | + |
| #1813 | Bohumil Pešek | + |
| #20817 | Bohuslav Siekierka | + |
| #20073 | Boldfield Computing Ltd | Z |
| #1815 | Boldie Software | Z |
| #1816 | Bolivar di Griz | + |
| #1817 | Bolsoftware Communications Ltd | Z |
| #1818 | Bonaventura Di Bello | + |
| #1819 | Bond | ? |
| #1820 | Bond Systems | Z |
| #1821 | Bonga Soft | Z |
| #1822 | Boniosoft | Z |
| #1823 | Bonkers | ? |
| #22896 | Bonnette2020 | P |
| #18652 | Bonni Mierzejewska | + |
| #1824 | Book Club Associates | Z |
| #1825 | Book Co. | Z |
| #1826 | Boom Soft | Z |