Fenix
- Makers of the analog Fenix Modular Synthesizer
- http://www.datasynthi.com/dutchsynths/fenix/

MOTM
- High end synthesizer modules in kit or pre-assembled form
- http://www.synthtech.com/motm.html

Synthesis Technology: Analog Modular Synthesizer Resource Page
- The Internet resource for building analog modular synthesizers.
- http://www.synthtech.com/

Analogue Solutions
- Producer of the Concussor Modular Synthesizer.
- http://www.users.globalnet.co.uk/~concuss/

ModularSynth.com
- General information and links to manufacturers
- http://www.modularsynth.com/

Blacet Research Music Products
- Unusual, high quality, analog synthesizer modules. Assembled and kits. Packaging systems, power supplies, MIDI to sequencer converter ICs.
- http://www.blacet.com/

Synthesizers.com
- Modular Analog Music Synthesizers and keyboards that are low cost with a classic Moog look
- http://www.synthesizers.com/

Analogue Systems
- Makers of the RS Integrator, a doepfer-compatible modular
- http://www.analoguesystems.co.uk/

Wiard
- Makers of high-end analog modular synthesizers. Includes purchase information and MP3 samples.
- http://www.wiard.com/

Modcan Modular Synthesizers
- Modcan Synthesizers produces a wide range of analogue synthesizer modules for the electronic musician and sound designer.
- http://www.modcan.com/