ORIGINAL: Sport_Pilot
Well of the companies listed Fox is the oldest. Goldberg is no more, just a name brand of Hobbico. Guillow's is not RC so that does not count.
[8D] I promise I'm not lookin for an arguement with this , but I clearly remember building several Guillows's kits that had plans for "tailwagger" rc using an .020 Cox glow engine . I only know this cause I did build a couple of em in just that way , and demolished each one with it's first even slightly rough landing . One good bump and ya had a nice bog O' sticks