Defunct unidentifiable organisations
Some companies are known only by a partial or potentially inaccurately-remembered name, and so far cannot be traced. This page acts as a placeholder for the known details until a verified company name can be found such that the organisation can have a dedicated page under that name.
| Name | Location | Known for |
|---|---|---|
| B&M | USA? | The keycap manufacturer for various Apple II keyboards, according to the Apple II Service Reference Manual from 1981. This does not appear be the now defunct B&M Engineering, Inc. of California. |
| Katano | Japan | One of the keyboard switch suppliers to Tai-Hao; the name “Katano” was supplied by Tai-Hao and, while it is a valid Japanese name, no company of that name can be found. |