- A&C Hamilton - UK-based seller of new and used synthesizers. Includes available stock, tuition, events and contact information.
- Analogue Modular Systems, Inc. - Seller of vintage analog synthesizers. Includes online auction, client list, typical stock list, manuals and accessories, interviews and gallery.
- audioMIDI.com - California-based company selling computer-based music hardware and software with detailed product and supplier information. Also includes industry news, FAQ, links page, and specials.
- Big City Music - Source for vintage synthesizers. Includes item search, catalog of products available, downloads, photos and contact information.
- Helpful Music - Information on the theory and practice of analogue synths. Includes author profile, news, basic concepts, purchasing tips, and video training product.
- Musicians-Gear Online Shop - Offers "low priced" musicians-gear. Located in Germany, all prices are in German Marks (DM).
- Nova Musik - Digital and analog new and used gear
- QChord Network - Sells the QChord - a "digital songcard guitar" made by Suzuki; also accessories, books and song cartridges. Based in Tarzana, California.
- Rogue Music - New and used musical equipment, software and manuals. Primarily keyboards and pro audio. Separate auction site.
- Sphere - Includes a products database, buying and selling information, services, news, resellers, company profile and contact details.
- Style Disk Warehouse - Style disks for Technics and Yamaha keyboards and organs, with free download samples available.
- Stylophone Sales Corner - UK retailer of the 70s Stylophone synthesizer. Includes buying tips, products available and contact information.
- The MIDI Store - Sell music software, and new and used MIDI and audio equipment. Includes available product listings, gift certificates, product support, policies and contact information.
- The Synthesiser Service Centre - London, UK-based company that services, repairs, restores, designs and sells analogue and digital keyboards, modules, effects units and other musical devices.
