St. Petersburg State Unitary Enterprise for Cleaning and Improvement of Water Bodies "Lenvodkhoz"
St. Petersburg State Unitary Enterprise for the prevention and oil spill response "Pilarn"
St. Petersburg multi-profile Environmental State Unitary Enterprise "Ecostroy"
St. Petersburg State Geological Unitary Enterprise "Specialized Firm" Mineral"
St. Petersburg State Unitary Nature Conservation Enterprise "Polygon"Krasny Bor"
State Public Institution "Nature Reserve Area Direction of St. Petersburg"
State Institution "Reclamation System of St. Petersburg"