The Dangerous Summer
Third Eye Blind
Jimmy Eat World
Relient K
Fences

1. Streetlight Manifesto
2. Coheed and Cambria
3. Transit
4. Moving Mountains
5. Silverstein

Captain, We're Sinking
The Wonder Years
Transit
Fireworks (?)
The Story So Far

Those are my top 5, at least. The rest includes letlive., Balance and Composure, Misser, Sharks, Frank Turner, Streetlight Manifesto. Some other stuff should come up later when I think of it, too.

Polyenso

Brand New?

Paramore

Bjork?

Glassjaw?

The National?

Hellogoodbye

BMTH

Joey Bada$$

The Front Bottoms
Cartel
The Wonder Years
Paramore
50 Cent

Broadway Calls
Red City Radio
The Wonder Years
Transit
The Swellers
Silverstein
Frank Turner
Against Me!
Bayside
Lawrence Arms
The National
Story So Far
Kid Cudi

1) The Wonder Years. 2) Bring Me The Horizon. 3) A Day To Remember. 4) Silverstein. 5) Transit.

1. Black Rebel Motorcycle Club
2. Little Hurricane
3. Alkaline Trio
4. Black Keys
5. Sharks

Brand New, it might happen! (It wont happen)

Kanye West
Phoenix
Jimmy Eat World
Justin Timberlake

1. O'Brother
2. Manchester Orchestra
3. Kanye West
4. City and Colour
5. The Dillinger Escape Plan

Mansions
Paramore
The Morning Of
Hellogoodbye
Andrew McMahon

How has no one mentioned Saves the Day yet?

Too many choices to pick a few... So I ended up picking the first 5 that I thought about from looking at my iTunes.

The Wonder Years
Blink 182
Third Eye Blind
Bring Me The Horizon
Driver Friendly

After I posted this, I forgot about Justin Timberlake, so I'd replace Blink with JT.