Alternative/Rock:

Anberlin
Annies Apology
Audio Adrenaline
Brave Saint Saturn
Candle Rain
The Clouds
David Crowder Band
dc Talk
dc Talk Solo
Deliriou5?
Diversions
The Elms
Fighting Jacks
Fono
Grandprize
Gretchen
Jars of Clay
Kutless
Linus
Lucerin Blue
Kevin Max
Mick Rowe
Mute Math
Newsboys
Noise Ratchet
Philmore
Radial Angel
Smalltown Poets
Third Day
Timber

Hip-Hop/Rap/R&B:

Erik Dillard
FiveForty
Illharmonics 
Mars ILL
PAX 217
Sphere of Hip Hop 
Souljahz
Tunnel Rats

Ska/Swing:

the Insyderz
Five Iron Frenzy
Supertones

Indie:

CYU
Josh Hedlund
In Situ
Independent Bands.com
Indie Heaven
LastPageFirst
Nashville Fats
Omega Force Band
Prescription
Steel Wind
Ten Days After

Pop/Light Rock/Electronic:

Avalon
Riley Armstrong
Lee Behnken Ministries
Brother's Keeper
Danny Brooks
Natalie Grant
Sara Groves
Jake
Joy Electric
Jump5
Rachael Lampa
LaRue
Nichole Nordeman
Out of Eden
Ginny Owens
Paul Colman Trio
Plus One
Stacie Orrico
Relient K
Rebecca St. James
Salvador
Sixpence None the Richer
Skillet
Starflyer 59
Ultrabeat
ZOEgirl

Hard Rock/Industrial/Metal:

AP2
Blindside
Blood Stained Soul
Bride
Celldweller/Circle of Dust
Living Sacrifice
Pillar
P.O.D. - Payable on Death
Project 86
Ripe
Thousand Foot Krutch
Zion

Punk:

Ace Troubleshooter
Dogwood
Embodyment
Hangnail
Hawk Nelson
MxPx
Side Walk Slam
Slingshot 57
Squad 5-O
StellarKart
Stretch Arm Strong

Unofficial Artist Sites:

dc Talk Unite
Josh's Christian Music Site
Jump5 Reality
Jump5 Superstars
Mousey's Page of The W's
Newsboys Fan Zone
The Potters Wheel - Jars of Clay

Tab Sites:

Christian Guitar Resources
Harmony Central Guitar Tabs
Higher Praise
Praise -Worship
Rockin' With The Cross
Tab Seek