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.
5.

ТОВ "Газтех"

http://www.gazteh.sumy.ua - Sumy
6.