A&F guitars was a short-lived partnership started in 2001 in Riverside, California by Fred Stuart and Alan Hamel previously of the Fender Custom Shop. A&F made a boutique electric guitar model called the Rock-it-tone based on a Stuart design done for the Fender Custom Shop - but rejected by them. They also sold A&F brand pickups designed by Hamel and made custom electric guitars to order. In 2003 they went their separate ways and founded Stuart Custom Guitars and Alan Hamel, both continuing to make basically the same products that A&F had been making.

Source: Audio tools.com: defunct musical instrument makers (2 December 2019)