Central Office-Procurement of Primary Rate Interface (PRI)-Integrated Services Digital Network (ISDN) for DENR-CO under IB No. DENR-CO-2019-019

Bureaus

• Biodiversity Management
• Ecosytems Research and Development
• Environmental Management
• Forestry Management
• Land Management
• Mines & Geo-Sciences

Regions

• Region 1
• Region 2
• Region 3
• Region 4A
• Region 4B
• Region 5
• Region 6
• Region 7
• Region 8
• Region 9
• Region 10
• Region 11
• Region 12
• CAR
• CARAGA
• NCR

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