Bright Computech: Manufacturer of MP3 players with features such as audio, video, radio, and built-in microphones.
Build An MP3 Player: Detailed plans for building your own MP3 player.
BumblesMP3s.com: Portable MP3 player information and where to buy.
DataPlay, Inc.: Manufacturer of micro-optical engines to record and play music and other content.
Digisino Technology: Manufacturer of MP3 and flash MP3 players. China.
Digital Mind Corporation: Manufacturer of high capacity digital music players.
EDGE Tech Corp: Supplier of digital audio players, mp3 players and FM transmitters for the Apple iPod.
Empeg: Official web site for the commercial in-car player
First International Digital, Inc.: Developer and marketer of iRock digital audio players that support wireless technology.
Frontier Labs: Makes a range of portable player which plays MP3s and WMA w/DRM9.
GadgetTV: Video-based reviews of MP3 player cases and accessories.
iCoolDigital: Designs and manufactures portable MP3 players.
iRiver America: Manufacturer of digital audio players that are flash memory-based and hard drive-based.
iRiver iHP-120 OS Project: Supplies information related to the development of a alternate operating system for the iRiver iHP-120 MP3 player.
Jens of Sweden: Developer of digital audio devices that can be used as MP3 players and USB pen drives.
Kitstream - MP3 Jukebox Module: Pre-assembled electronic module that plays MP3 files from a hard drive.
Mambo Digital: Manufacturer of digital audio devices like MP3 CD players, jukebox recorders, and USB MP3 pen drives.
MP3 Player Reference Site: Information on portable and home players, hard-disk audio recorders, and software.
Mp3Players.ca: MP3 news, reviews, FAQs, and an online community for portable players.
MPIO: Manufacturer of MP3 players and accessories.
MpMan F70 Alternative manager software: Open-source file manager program for the MpMan F70 MP3 Player.
MPuls3: Manufacturer of MP3 and SDMI compatible devices for cellular phones. USA.
Neuros MP3 Digital Audio Computer: Captures, expands, and broadcasts digital music as well as identifies songs on the radio and wirelessly broadcasts to any stereo.
PeakIT Industrial Limited: Exporter of MP3 players, webcams, and USB flash drives.
Philips Portable Audio: Manufacturer of digital audio players, portable MP3, jukebox, and key ring players.
PoGo! Products, Inc.: Personal technology products for consumers and businesses.
ReQuest Inc.: Home electronics components that store and play music and video using digital compression formats.
Rio Audio: Makes portable audio digital players.
Rockbox: An Open Source replacement firmware for MP3 players from Archos, iRiver, Apple (iPod) and iAudio.
RyanPC: Ryan Veety explains how he put together a homemade car MP3 player on a slim budget.
Samsung HQ: Offers news and a forum for Samsung MP3 and PMP players.
SysBeat MP3 Players: Microboss MP3 music players and USB pen drives
Trevor's Empeg page: Various utilities for the Empeg car MP3 player and Riocar products.
Unofficial iLO MP3 Player Website: Offers technical support, articles, FAQs, guides and a forum for the iLO MP3 player.
Unofficial Olympus M:Robe Owners Site: Contains firmware updates, M:Trip software alternatives and updates, and hardware news.