Who were the original manufacturers? It's difficult to say for some models, but below seems to be the most reasonable conclusion based on examination of other brands' models of the time. Not all of the guitars were manufactured by the same company. Japanese maker, Tokai, wrote back and said they did not manufacture Jedsons, and it seemed like they never heard of Jedson Click on an image to view the gallery

Type Model Likely Manufacturer Comparison click on image Acoustic F907 . . . FW913 Yairi . . 9000 Yairi . W130 . . . JW837 . . . !2-String . . Solid Body Les Paul Std (plus bass) . . . Les Paul Custom? . . . SG (plus bass) . . . Telecaster (4 styles) plus bass Teisco . Hollow and Semi-Hollow Archtop (both styles) Teisco . . Thin-body archtop Teisco . Thin archtop or semi-hollow ? Teisco .