Gilmore Girls | Spice Girls | The Golden Girls | Indigo Girls | Boys & Girls Clubs of America | Girls Aloud | Wonder Girls | Sun City Girls | St Paul's Girls' School | Girls' Generation | Mean Girls | All-American Girls Professional Baseball League | Brazilian Girls | The Cheetah Girls | Nanyang Girls' High School | Twelve Girls Band | The Powerpuff Girls | The Incredibly True Adventure of Two Girls in Love | Girls' Brigade | Carry On Girls | Brown Eyed Girls | Boys Like Girls | Boys and Girls in America | Bad Girls | 2 Broke Girls | Two Girls and a Sailor | To All the Girls I've Loved Before | The Flash Girls | The Cheetah Girls (band) | The Cheeky Girls |
Outside of writing for his own albums, Ruttan has co-written songs for many artist including; "What Was I Thinkin'" and "Lot of Leavin' Left to Do" by Dierks Bentley, "Hold My Beer" and "My Way" by Aaron Pritchett, "Guys Like Me" and "Hell on the Heart" by Eric Church, "Promise Broken" by Gary Allan, "Shotgun Girl" by The JaneDear Girls, and many more.