1.
Public corporation "Sumy Frunze NPO" Public corporation "Sumy Frunze NPO"
http://frunze.com.ua/ - Sumy
Site of equipment for oil, gas and chemical industries manufacturer.
2.
Group of enterprises "Preobrazovatel" Group of enterprises "Preobrazovatel"
http://www.preobrazovatel.com.ua/ - Sumy
The information on the enterprise, services: metrological certification. The description of production.
3.
4.
""
http://agnkcsumy.ho.com.ua/ - Sumy
5.
""
http://www.gazteh.sumy.ua - Sumy
6.
" . . . "
http://agnks.at.ua - Sumy