1.
Company "Discon"

Company "Discon"

http://www.discon.com.ua/ - Donetsk
Wholesale trade of radio and electronic components.
2.
VDT-Automation

VDT-Automation

http://www.vdt-automation.com.ua/ - Donetsk
Portal on automation. Production, club, directory, questions and answers, forum.
3.
Research-and-production enterprise "Rekon"

Research-and-production enterprise "Rekon"

http://recon.dn.ua/ - Donetsk
Development, manufacture and introduction of means of supervision, registration and analysis of parameters and signals in electropower, industrial and other objects.
4.
Radiocomponents Ltd

Radiocomponents Ltd

http://radiocom.dn.ua/ - Donetsk
Sale of radiocomponents: active components, optoelectronics, switches, passive components.
5.
Official site of "Belton" company

Official site of "Belton" company

http://www.belton.com.ua/ - Donetsk
Company offers different electronic ultrasonic devices.
6.
7.
Radio club "Orbit"

Radio club "Orbit"

http://ur7iwz.qrz.ru/ - Donetsk
Site of regional club of distant space and computer radio communication: history, information on members of club, article.
8.

ТОВ "ІТЕП"

http://itep.com.ua/ - Donetsk
9.
US8IZM homepage

US8IZM homepage

http://us8izm.narod.ru/ - Donetsk
Homepage of the Ukrainian group of radio-amateurs.