Where I buy my tools and material
Crimson Guitars – luthiery tools, material, guitar parts, the lot. High quality, great service.
Fine Tools – online shop with a very big assortment of high quality tools.
Dictum – online shop for all sorts of tools and arts and craft supplies, with a large section of luthiery supplies.
Thomann – well known shop for all sorts of music related equipment, material, spare parts and, to some extent, tools. Fast shipping, good service including meaningful information about product details.
Warwick – manufacturer of electric basses (Warwick) and guitars (Framus), shop for spare parts and a wide range accessories; good service, help with specific questions/problems
Rall – tools, parts and what you need for guitarmaking
Martins Musikkiste – shop for guitar parts, accessories, fret wire, strings, books; afaik no English version available
Deutsches Tonholz – tone wood grown in Germany; good service including answers to specific questions; no English version available
Espen – tonewood, blanks and parts for electric guitars, veneers, FSC certified wood
And, of course local DIY shops which wouldn’t make much sense to list here.