The United Nations Interim Security Force for Abyei (UNISFA) is seeking qualified and experienced companies for the supply and delivery of Sand, Crushed gravel and River Gravel to UNISFA in various mission locations, in Sudan and South Sudan. NOTE: 1. Submission of the EOI does not constitute an obligation by the United Nations to include your company in this specific procurement exercise, neither does it assure that a respective bidding exercise will be undertaken in due course. 2. Vendors currently registered at basic level must proceed to submit requirements for level 1 & level 2 registration. To be awarded a contract, a bidder must be registered with the UN Secretariat through the United Nations Global Marketplace (UNGM)