Stereo Amp Brand Sound Signatures

Do amplifier really have brand sound signatures? If so, what is the sound signature of the following brands' stereo amps in the $500-$1,500 price range? What speaker brands do they match well with?
- Naim
- Arcam
- Marantz
- Denon
- Yamaha
- Onkyo
- Tube amps (category, not specific brands)
Yes, there are manufacturer 'sound signatures'.
I have no experience with the brands you listed, but I can say that Vandersteen speakers pair well with Ayre, Belles and Atma-Sphere amps/preamps.