Seymour Duncan
Founded in 1978 by Seymour W. Duncan in Goleta, California. Manufacturers of the famous JB and Jazz pickups to name a few.
DiMarzio
DiMarzio became known for its Super Distortion model, which was the first after market replacement guitar pickup available to the mass market.
EMG
Started in 1976 EMG (Electro-Magnetic Generator) manufactures a wide selection of active pickups.
Fender
Makers of the famous Stratocaster, Fender offers a complete line of strat, tele, and more pickups.