Sonikmatter
- Contains news, forums, tutorials, and downloads for synthesizer patches, sound samples, and utilities.
- http://sonikmatter.com/

The Emulator Archive
- Patches, support and information for all E-mu samplers, synthesizers, modules and drum machines.
- http://www.emulatorarchive.com/IndexOB/indexob.html

Pyramid Sound Productions
- Sample patches in Kurzweil and Akai format CD-rom, as well as SCSI CD-rom storage hardware.
- http://www.pyramid-sound.com

Pro-Rec
- Synthesizer patches, sample CD-ROMs, and disks for most modern synthesizers and samplers.
- http://www.pro-rec.com/

Roland Juno-60 Patches
- Factory soundbanks and new original sounds for the Roland Juno-60 synthesizer.
- http://www.juno60.htmlplanet.com/

Sonic Implants
- Samples for Kurzweil, Akai, E-mu, Gigasampler, DLS, and Soundfonts, available on CD-ROM or as a download.
- http://www.sonicimplants.com

Analog.no
- Vintage analog synthesizer factory patches and repair information.
- http://analog.no/patch/

Super JX-10 & MKS-70 Synthesizer Patches
- Patches of M-64C cartridge data, including factory and alternative presets.
- http://members.iquest.net/~twilight/patches.html

Mig Music
- Synthesizer sound collections for Nova/Supernova, Model E, RM1x, and XG synthesizers, plus midi drum patterns and Rebirth sequences.
- http://www.migmusic.com

Analoguesque Sound Designs
- Soundfonts and patches for Yamaha SY-77 and E-mu systems. FAQ and message forum.
- http://www.analoguesque.com/

Kid Nepro
- Synthesizer patches and samples, ROM and RAM Cards, and AIFF/WAV CD-ROMs.
- http://www.kidnepro.com/

Gehenna.com
- Features a variety of samples and patches for E-mu E4 Samplers and Nord Modular Synthesizers.
- http://www.gehenna.com/

SoUnDEnGiNe.com
- Contempory and vintage synthesizer patches, sampler floppies, and CD-ROMS for AKAI, Kurzweil, and Ensoniq hardware samplers, as well as PC and Mac software samplers.
- http://www.soundengine.com/

MIDI Mark
- Sounds for Ensoniq, Akai, Roland, and Kurzweil samplers, audio sample CDs, and sampler accessories and equipment.
- http://www.midimark.com/

ManyMIDI
- Organized and alphabetized synthesizer patch libraries.
- http://www.manymidi.com/

TweakHeadz
- Features music and articles by Rich the Tweakmeister, sample CDs, Midifiles, and MP3 files
- http://tweakheadz.com/

Greytsounds Sound Development
- Ensoniq, Akai, Roland, and Audio sampling disks and CD-ROMs.
- http://www.greytsounds.com/