You could add Bareknuckle under pickups and Lace and Q-Tuna.
Also under forums you could add Jemsite and Sevenstring.org
And Mesa Boogie under amplifiers, and Randall, and Fortin, and Egnator, and ENGL.
You could add Framus under guitars and amps, there's also Ron Thorn, .Strandberg*, KXK, ONI, Vigier, Tom Anderson, Zion, James Tyler.
Actually this could just go on forever really