1.
Hardware and microcontroller programming

Hardware and microcontroller programming

http://www.hardw.net/ - Donetsk
Articles, instructions, programs and circuits of ready-for-use devices on PIC microcontrollers, collection of links to sites on the appropriate subjects.
2.
ITCom firm

ITCom firm

http://www.atk.com.ua/ - Donetsk
Sale of memory devices, network equipment, software.
3.
Computer Center Ltd.

Computer Center Ltd.

http://www.computer.donetsk.ua/ - Donetsk
Sale of computers, peripheries. Information about the firm, production; articles.