||This biographical article needs additional citations for verification. (June 2010)|
Wattenberg co-produced Train's #1 hit single "Hey, Soul Sister". He also co-wrote and co-produced Train's #1 hit single "If It's Love". He co-wrote the Daughtry #1 hit single "It's Not Over", O.A.R.'s #1 song "Shattered (Turn the Car Around)", and Goo Goo Dolls Top 10 Single "Let Love In". He produced Five for Fighting's #1 hit singles "Superman (It's Not Easy)" and "100 Years" and co-wrote and produced Top 5 AC single "Slice". Wattenberg also produced the album What If It All Means Something by Canadian singer-songwriter Chantal Kreviazuk. 
|2000||America Town||Five For Fighting||Columbia|
|2002||What If It All Means Something||Chantal Kreviazuk||Columbia|
|2003||It's All In Your Head||Eve 6||RCA|
|2004||The Battle for Everything||Five For Fighting||Columbia|
|2005||Never Gone||Backstreet Boys||Jive|
|Beautiful Disorder||Breaking Point||Wind-up|
|2007||Consequence||The Crash Motive||Wind-up|
|2008||David Cook||David Cook||RCA|
|2009||Slice||Five For Fighting||Wind-up|
|Wooden Bones||Pilot Speed||Wind-up|
|Time For Lions||Stars Of Track And Field||Wind-up|
|Save Me San Francisco||Train||BME, Columbia|
|2010||Jason Castro||Jason Castro||Atlantic|
|Life Turns Electric||Finger Eleven||Wind-up|
|Alive||Ed Kowalczyk||Soul Whisper, RED|
|2011||This Loud Morning||David Cook||RCA|
|2012||The World from the Side of the Moon||Phillip Phillips||Interscope|
|2013||Bookmarks||Five For Fighting||Wind-up|
|2014||Rewind||Rascal Flatts||Big Machine, Republic|
|2014||Behind the Light||Phillip Phillips||Interscope Records, 19 Recordings|
- "CMJ 2012 Panelist GREGG WATTENBERG". CMJ 2014. Retrieved 19 July 2014.
- "Gregg Wattenberg: From Five for Fighting to Phillip Phillips, A Musical Force For Over A Decade". American Songwriter the Craft of Music. Retrieved 19 July 2014.
- Taylor, Chuck (10 May 2003). "Kreviazuk aims to Mean Something in U.S. market". Billboard. p. 14. Retrieved 3 July 2010.
- "Gregg Wattenberg Credits". All Music. Retrieved 19 July 2014.