Here's some contribution, may include some that were already listed:
This list is subjective. Lot's of OLD school.

U2 - One
People already named Bon Jovi, Roxette, and Journey...definitely Tony Rich...
Brandy - Have you Ever
Culture Club (certain songs)
Cure (some..)
Cutting Crew -
Dido - Thank You
Enya - Only Time
Extreme - More than Words
Elton John - I Guess that's why they call it the Blue's
Faith Hill - There You'll Be
INOJ
Janet Jackson - Her older songs - Everytime,
Paula Abdul - Rush Rush
Phil Collins
Platters - What Becomes Of The Broken Hearted
Wham - Last Christmas

Believe it or not, those "boy bands" had quite a few as well - Westlife, BsB, N'sync... I can't believe no one said O-town's All or Nothing...