The Arduino Team makes available all the design files, schematics, board layouts, source code, and other documents so that everyone who wants to can build and use their own Arduino. The only restrictions imposed are on the usage of the name Arduino, which should refer to anything designed and supported by the Arduino Team. The rules concerning the terms Arduino and Arduino-compatible are evolving over time as needs change.
The upshot is that anyone can make an Arduino. You can make an Arduino. Get busy.
The official Arduino manufacturer is Smart Projects in Italy (
www.smartprj.com), which builds the Arduino Uno and Mega boards. Additionally, SparkFun Electronics in the United States (