diff --git a/app/models/manager_refresh/inventory_collection_default/infra_manager.rb b/app/models/manager_refresh/inventory_collection_default/infra_manager.rb
new file mode 100644
index 00000000000..cf98bbccf1d
--- /dev/null
+++ b/app/models/manager_refresh/inventory_collection_default/infra_manager.rb
@@ -0,0 +1,170 @@
+class ManagerRefresh::InventoryCollectionDefault::InfraManager < ManagerRefresh::InventoryCollectionDefault
+  class << self
+    def vms(extra_attributes = {})
+      attributes = {
+        :model_class => ::ManageIQ::Providers::InfraManager::Vm,
+        :association => :vms,
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def disks(extra_attributes = {})
+      attributes = {
+        :model_class => ::Disk,
+        :manager_ref => [:hardware, :device_name],
+        :association => :disks
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def nics(extra_attributes = {})
+      attributes = {
+        :model_class => ::Network,
+        :manager_ref => [:hardware, :ipaddress],
+        :association => :nics
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def guest_devices(extra_attributes = {})
+      attributes = {
+        :model_class => ::GuestDevice,
+        :manager_ref => [:hardware, :uid_ems],
+        :association => :guest_devices
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def hardwares(extra_attributes = {})
+      attributes = {
+        :model_class => ::Hardware,
+        :manager_ref => [:vm_or_template],
+        :association => :hardwares
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def snapshots(extra_attributes = {})
+      attributes = {
+        :model_class => ::Snapshot,
+        :manager_ref => [:uid],
+        :association => :snapshots
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def operating_systems(extra_attributes = {})
+      attributes = {
+        :model_class => ::OperatingSystem,
+        :manager_ref => [:vm_or_template],
+        :association => :operating_systems
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def custom_attributes(extra_attributes = {})
+      attributes = {
+        :model_class => ::CustomAttribute,
+        :manager_ref => [:name],
+        :association => :custom_attributes
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def datacenters(extra_attributes = {})
+      attributes = {
+        :model_class          => ::Datacenter,
+        :association          => :datacenters,
+        :attributes_blacklist => [:ems_children]
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def resource_pools(extra_attributes = {})
+      attributes = {
+        :model_class          => ::ResourcePool,
+        :association          => :resource_pools,
+        :manager_ref          => [:uid_ems],
+        :attributes_blacklist => [:ems_children]
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def ems_clusters(extra_attributes = {})
+      attributes = {
+        :model_class          => ::EmsCluster,
+        :association          => :ems_clusters,
+        :attributes_blacklist => [:ems_children, :datacenter_id]
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def storages(extra_attributes = {})
+      attributes = {
+        :model_class => ::Storage,
+        :association => :storages,
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def hosts(extra_attributes = {})
+      attributes = {
+        :model_class => ::Host,
+        :association => :hosts,
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def datacenter_children(extra_attributes = {})
+      datacenter_children_save_block = lambda do |_ems, inventory_collection|
+        # TODO
+      end
+
+      attributes = {
+        :association       => :datacenter_children,
+        :custom_save_block => datacenter_children_save_block,
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def resource_pool_children(extra_attributes = {})
+      resource_pool_children_save_block = lambda do |_ems, inventory_collection|
+        # TODO
+      end
+
+      attributes = {
+        :association       => :resource_pool_children,
+        :custom_save_block => resource_pool_children_save_block,
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+
+    def ems_clusters_children(extra_attributes = {})
+      ems_cluster_children_save_block = lambda do |_ems, inventory_collection|
+        # TODO
+      end
+
+      attributes = {
+        :association       => :ems_cluster_children,
+        :custom_save_block => ems_cluster_children_save_block,
+      }
+
+      attributes.merge!(extra_attributes)
+    end
+  end
+end