| ID | Name | Type |
|---|---|---|
| #15790 | Business Press International | Z |
| #19139 | Busy | - |
| #1980 | Busy Bee Software | Z |
| #1981 | Busy Software | Z |
| #1982 | Buttercraft Software | P |
| #1983 | Butterfly Software | Z |
| #17100 | Buttsoft | S |
| #19345 | Buxoler | - |
| #1984 | Buzzsoft | Z |
| #21264 | Buzzz Software | Z |
| #17101 | Byrite Software | S |
| #1985 | Byron Nilsson | + |
| #1986 | Byron Software | Z |
| #1987 | Byte Back | ? |
| #1988 | Byte One | ? |
| #1989 | Byte Power | Z |
| #21353 | Byteland | P |
| #21378 | Bytemaniacos | P |
| #1990 | Bytepack | Z |
| #17102 | Bytes 'n' Bytes | R |