Universal Music Publishing Nashville's roster includes writer/artists Taylor Swift, Kenny Chesney, Keith Urban, Luke Combs, Sam Hunt, Maren Morris, Scotty McCreery, Brad Tursi, Ingrid Andress, Caylee Hammack, Shania Twain, Caitlyn Smith, Danielle Bradbery, Ian Munsick, Laci Kaye Booth, Hunter Hayes, Sara Evans, Lily Rose, Will Jones, Band Loula, Dillon James, Lydia Sutherland, Tanner Adell, Carter Faith, Matt Schuster, Ben Goldsmith, Catie Offerman, Lukas Nelson, as well as Brandi Carlile.

Notable songwriters include Chase McGill, Dave Cobb, Ray Fulcher, Justin Ebach, Derrick Southerland, John Pierce, Shane Minor, Greylan James, Paul DiGiovanni, Sam Ellis, Troy Verges, Jacob Davis, Marc Scibilia, Adam James, Bart Butler, Benjy Davis, Connor James, Joe Clemmons, Matt McVaney, Ross Ellis, Sean McConnell, Evan Cline, Kyle Sturrock, Allison Veltz Cruz, Seth Ennis, Brian Koppelman, and Mary Steenburgen.

At the time, a new acquaintance of his, Cliff Williamson, was searching for a trainee song-plugger at a newly formed publishing company, Multimedia Entertainment in Nashville.

[2] Bradley brought Tomlinson to Acuff-Rose, where he worked with famed songwriters Dean Dillon, Skip Ewing, Jim Weatherly, and Whitey Shafer, among others.

[1] While continuing to work with the aforementioned artists, he has also overseen the songwriting careers of artists such as Taylor Swift, Kenny Chesney, Miranda Lambert, Luke Bryan, Eric Church, Darius Rucker, Kelsea Ballerini, Blake Shelton, Thomas Rhett, Gary Levox (Rascal Flatts), Brett Eldredge, Jon Pardi, The Band Perry, Mitchell Tenpenny, Jimmie Allen, Cole Swindell, Randy Houser, Charlie Worsham, High Valley, and Chase Rice.

In addition to Sony/ATV Music Publishing's writer/artists, Tomlinson also guided the careers of hit songwriters Tom Douglas, Josh Osborne, Chris DeStefano, Ross Copperman, Jon Nite, Jaren Johnston, Lindsay Rimes, Jim Beavers, Luke Laird, Bill Anderson, and Bobby Braddock to name a few.

In April 2016, he was honored with Belmont University's 2016 Robert E. Mulloy Award of Excellence for his outstanding three decade career on Nashville's Music Row.