StewMac (Stewart-MacDonald) is the world's largest supplier of specialty tools, parts, and supplies for repairing, building, and maintaining guitars and fretted instruments. Founded in 1968 and based in Athens, Ohio, the company serves professionals and hobbyists with high-quality, durable, and often self-manufactured products.
Products: They offer a wide range of tools (files, bridges, cleaning supplies), specialized parts (pickups, tuning machines), and guitar kits.
Lifetime Promise: StewMac offers an unconditional lifetime guarantee on their tools, promising to replace any product that breaks, wears out, or fails to meet expectations.
Resources: They provide extensive, free "how-to" content, including videos, articles, and "Trade Secrets" to help luthiers and repair techs.
Service: Known for fast, worldwide shipping from their Ohio facility.
Reputation: Regarded as a premier, trusted source for lutherie, supporting everyone from hobbyists to professional instrument makers.