http://www.weboshawa.com/music/guitar/brands.html

musiciansfriend.com OR music123.com click on bass guitars (or guitars then bass guitars, can't remember) and they should list some of the more frequently bought brands.

Acoustic BC Rich Guitars BC Rich Bass Guitars Electric BC Rich Guitars Acoustic Breedlove Guitars Breedlove Bass Guitars Burns Bass Guitars Burns Electric Guitars Acoustic Daisy Rock Guitars Electric Daisy Rock Guitars Acoustic Dean Guitars Electric Dean Guitars Bass Dean Guitars Acoustic Epiphone Guitars Bass Epiphone Guitars Electric Epiphone Guitars ESP Acoustic Guitars ESP Bass Guitars ESP Electric Guitars Fender Acoustic Guitars Fender Bass Guitars Fender Electric Guitars First Act Bass Guitars First Act Electric Guitars Gibson Acoustic Guitars Gibson Bass Guitars Electric Gibson Guitars Gretsch Acoustic Guitars Gretsch Bass Guitars Gretsch Electric Guitars Hofner Bass Guitars Hofner Electric Guitars Acoustic Ibanez Guitars Bass Ibanez Guitars Electric Ibanez Guitars Jackson Bass Guitars Jackson Electric Guitars Line 6 Acoustic Guitars Line 6 Bass Guitars Line 6 Electric Guitars Acoustic Martin Guitars Martin Bass Guitars Electric Martin Guitars Acoustic Olympia Guitars Electric Olympia Guitars Paul Reed Smith Electric Guitars Acoustic Peavey Guitars Bass Peavey Guitars Electric Peavey Guitars PRS Electric Guitars Rickenbacker Bass Guitars Rickenbacker Electric Guitars Acoustic Rodriguez Guitars Schecter Acoustic Guitars Schecter Bass Guitars Schecter Electric Guitars Acoustic Seagull Guitars Acoustic Takamine Guitars Electric Takamine Guitars Traveler Bass Guitars - Bass Traveler Guitars Traveler Electric Guitars Acoustic Washburn Guitars Washburn Bass Guitars Electric Washburn Guitars Warwick Bass Guitars - Bass Warwick Guitars Yamaha Acoustic Guitars Electric Yamaha Guitars I got most of these from http://www.weboshawa.com/music/guitar/brands.html