* PRS Guitars: Sully has a signature model with PRS, the SE Sully Erna. This guitar is based on the PRS Custom 24 model, and features a mahogany body, maple top, rosewood fretboard, and Seymour Duncan pickups.
* Gibson Les Pauls: Sully has also been known to play Gibson Les Pauls, particularly the Les Paul Custom.
* Fender Stratocasters: Sully has occasionally used Fender Stratocasters, particularly the American Standard Stratocaster.
Signature Line of Guitars: Sully Erna has not yet released a signature line of guitars, although he has worked with PRS Guitars on his signature model, the SE Sully Erna. It is possible that he may release a signature line of guitars in the future.