Founded in 1968, Stewart-MacDonald supplies a selection of luthier tools, parts, books and videos. It serves various instrument makers and repair shops throughout the world. The company also sells digital humidity gauge systems, strings, slides, capos, electronic tuners, straps and instrument cases. Stewart-MacDonald offers online ordering services for products. In addition, it designs and manufactures tools. The company maintains a shop in Ohio. Stewart-MacDonald provides products from the Waverly and Golden Age brands. It also maintains an international department and offers shipping solutions. The company offers hardware products, nuts, saddles, knobs, adhesives, fretting supplies and truss rods.Stewart-MacDonald provides online gift certificates.