| ID | Name | Type |
|---|---|---|
| #1727 | Blaby Audio Visual Ltd | Z |
| #1728 | Blaby Computer Games | P |
| #1729 | Black Cat | ? |
| #1731 | Black Cat Software [RU] | Z |
| #1730 | Black Cat Software [UK] | Z |
| #17079 | Black Donald's Games Shop | S |
| #1732 | Black Eagle Company | Z |
| #1733 | Black Groover | ? |
| #1734 | Black Horseman | ? |
| #1735 | Black Jet | Z |
| #1736 | Black Knight Computers Ltd | A |
| #1737 | Black Knight Software | Z |
| #1738 | Black Mountain Software | Z |
| #1739 | Black Run Software | Z |
| #1740 | Black Shark | ? |
| #1741 | Blackboard Software | Z |
| #1742 | Blackfox | ? |
| #1743 | Blacksoft | Z |
| #1744 | Blade | ? |
| #1745 | Blade Software Inc | Z |