Oromia Construction Corporation (OCC) Has Intended to Invite Potential Contractors or Eligible Bidders for the Procurement of Construction of ‘Floor Tile, Wall Tile & Epoxy Floor Finishing Works, Construction of Ceiling Works, Supply & Install HVAC Works and Supply & Fix Aluminum and Granite Tile Works for Federal Revenue Jima Branch Office Building Project’ to Be Sub-contracted in Local Currency. 15 Comments