| ID | Name | Type |
|---|---|---|
| #1663 | Bi-Pak Semiconductors | Z |
| #17074 | BiBi Magnetics | D |
| #1664 | BiNMaN | - |
| #16689 | Bib | ? |
| #1665 | Bibosoft | Z |
| #1666 | Biei Software | Z |
| #1667 | Bieno Marti | ? |
| #1668 | Bifidus48 | ? |
| #18625 | Big Al | - |
| #22010 | Big Alec | + |
| #1669 | Big Ben Software | Z |
| #1670 | Big Boys | ? |
| #1671 | Big Brother Publications | Z |
| #19313 | Big Eyes | P |
| #1672 | Big Five Software | Z |
| #17075 | Big Four Mail Order | S |
| #19925 | Big Jon | - |
| #1674 | Big Man | ? |
| #1675 | Big Red Software Ltd | Z |
| #17076 | Big Thinker Distribution | M |