Your online resource for everything Rockabilly Guitar
In alphabetical order:
James Burton - More country than rockabilly really, but he played with Elvis Presley after Scotty Moore and is currently touring with Jerry Lee Lewis so... He's also the man behind the legendary solo on "Hello Mary Lou" by Ricky Nelson.
Vince Gordon - One of the hottest and original but still authentic rockabilly guitarists around. He also wrote two popular tutorial eBooks on rockabilly guitar; "How to play rockabilly guitar" (a beginner's guide) and "Intermediate Rockabilly Guitar Lessons". Editor of The Rockabilly Guitar Page and guitarist/singer for the Danish rockabilly trio The Jime.
Jim Heat (Reverend Horton Heat)
Darrel Higham - British rocker. Plays in many constellations incl. with Slim Jim Phaentom. Is an authority on Eddie Cochran and copies him convincingly. Co-author of "Don't Forget Me" about Cochran. Has tons of albums out.
Scotty Moore - The guitarist who helped Elvis shape rock music. Outstanding website maintained by James V. Roy with much attention to historic detail.
Paul Pigat - Fine canadian guitarist. Has also put out educational rockabilly guitar material incl. DVDs.
Brian Setzer - Among guitarists he'll always be famous for his solo in "Stray Cat Strut", but of course he's got tons of stuff to his credit: Stray Cats, BSO, '68 Comeback Special etc.