Coolcat Music: Offers customizing and repair service for brass and woodwind instruments; also deal in a wider variety of used instruments. Contact details.
Musicmedic.com: Repair supplies, tools and kits for saxophone and clarinet. FAQ, kit details, and contact information.
Votaw Tool Company: Repair tools for woodwinds and brass. Products, catalog, links, and contact information. Also offers repair services to established music stores or repair shops.