BHP Tuning
Specializes in tuning and ECU remapping. Includes company details and description of chip tuning techniques.
http://www.bhptuning.com

Electronica Automotriz
Offers chip tuning services.
http://www.elecauto.com/

Upsolute Chiptuning
UPsolute Chiptuning - The Art of Chiptuning
http://www.upsolute.com

Dmtuning
chiptuningcompany writes software for your car, only company with no satisfied money back warranty
http://www.dmtuning.com

Valtronic
Manufacturers custom miniature modules and packaging, including chip-on-board, flip chip, chip-on-chip, and multichip modules. Site include capabilites, and illustrated discussions of packaging technologies and processes.
http://www.valtronic.ch

Günter Jaeger Hardware & Elektronik
Speicherchips wie Flash Eproms, Eproms usw. für Chiptuner, Industrie und Handel
http://www.chip-service.de/

Sourcegate Technologies Pte Ltd
Sourcegate Technologies is one of the leading electronic components distributors in the Asia region and with our extensive product line and supply chain solutions, we are the distributor of choice for some major EMS and Companies who build some world leading brand of Electronic products.
http://www.sourcegate.net

Digiprog GmbH i.G.
RepSoft LTD ist einer der weltweiten Marktführer im Bereich Tachoreparatur und Tacho Software. Herstellung und Vertrieb digitaler Tachometer Programmier-Hardware und Software für alle Tachos. Chip-Tuning aller möglichen Kraftfahrzeuge in verschiedener Technik ist bei uns möglich. Unsere Erfahrung reicht weite über 10 Jahre zurück. Modernste Technik ermöglichen immer den aktuellsten Stand der Software und Hardware.
http://www.tacho.de/

Günter Jaeger - Hardware & Elektronik
Speicherchips wie Flash Eproms, Eproms usw. für Chiptuner, Industrie und Handel
http://www.chip-service.de/

Chip Directory
Chip lists, chip pinouts and lists of manufacturers, electronics books, CDROM's, magazines.
http://www.xs4all.nl/~ganswijk/chipdir/