Tone Tubby
Best New speakers on the market.  These guys are great
Eminence

Eminence hes been making vintage replacement speakers for company's like Fender for a long time.
Electro-Harmonix

Electro-Harmonix are the new guys on the block.
Jensen

Jensen is the name that started it all.
Weber VST

Weber VST is dedicated to making hand made replacement loud speakers
Celestion

Celestion has been making great speakers for a long time