Happy Mondays
Stone Roses
Inspiral Carpets
James
New Order
(some of the the big guns so to speak)
plus Oasis.
808 State (and Graham Massey's other projects)
A Guy Called Gerald
M People (gag)
Ruthless Rap Assasins (who would later meld with Black Grape)
plus the also rans i.e
Paris Angels
Northside
Northern Uproar
The High
Metal Monkey Machine
World of Twist (who I liked at least)
Intastella
Up n' Coming in an NME kind of way are...
Twisted Wheel (Manc Arctic Monkalikes)
The Ting Tings (who have one good song)
The Whip (I quite like what I've heard)
The Corteeners (very Oasis in a "We're the best fookin' band evah!")
Cherry Ghost
Singer songwriters who are actually good in a non-James Blunt way
Liz Green
Denis Jones
There's also Karima Francis but I find her a bit shouty in a solo 4-Non Blondes kinda way.
And rock bands that get overlooked cos they're not indie as such
Amplifier
Atavist
Oceansize
Plus leave us not to forget the HH affiliated Triclops and Illuminati!