1.
Research institute "Ukrmetallurginform"

Research institute "Ukrmetallurginform"

http://www.metinfo.dp.ua/ - Dnepropetrovsk
The site of the research institute "Ukrmetallurginform": informational publications on the metallurgy subject.
2.
Ukrainian state institute of nitrogen products

Ukrainian state institute of nitrogen products

http://www.ukrgiap.com.ua/ - Dnepropetrovsk
The site of the Ukrainian state institute of nitrogen products.
3.
State trumpet institute

State trumpet institute

http://vniti.dp.ua/ - Dnepropetrovsk
Development, production and services of institute.
4.
5.