diff --git a/app/models/ext_management_system.rb b/app/models/ext_management_system.rb
index 3fc9c4e20d1..e60c9c3f320 100644
--- a/app/models/ext_management_system.rb
+++ b/app/models/ext_management_system.rb
@@ -79,6 +79,8 @@ def self.api_allowed_attributes
   has_many :cloud_subnets, :foreign_key => :ems_id, :dependent => :destroy
 
   has_many :vms_and_templates_advanced_settings, :through => :vms_and_templates, :source => :advanced_settings
+  has_many :service_offerings, :foreign_key => :ems_id, :dependent => :destroy, :inverse_of => :ext_management_system
+  has_many :service_parameters_sets, :foreign_key => :ems_id, :dependent => :destroy, :inverse_of => :ext_management_system
 
   validates :name,     :presence => true, :uniqueness => {:scope => [:tenant_id]}
   validates :hostname, :presence => true, :if => :hostname_required?
diff --git a/app/models/manageiq/providers/inventory/persister/builder/container_manager.rb b/app/models/manageiq/providers/inventory/persister/builder/container_manager.rb
index 73bf053cf4f..574898b35e5 100644
--- a/app/models/manageiq/providers/inventory/persister/builder/container_manager.rb
+++ b/app/models/manageiq/providers/inventory/persister/builder/container_manager.rb
@@ -228,6 +228,14 @@ def persistent_volume_claims
           add_common_default_values
         end
 
+        def service_offerings
+          add_common_default_values
+        end
+
+        def service_parameters_sets
+          add_common_default_values
+        end
+
         protected
 
         def custom_reconnect_block
diff --git a/app/models/service_offering.rb b/app/models/service_offering.rb
new file mode 100644
index 00000000000..3f69272393f
--- /dev/null
+++ b/app/models/service_offering.rb
@@ -0,0 +1,6 @@
+class ServiceOffering < ApplicationRecord
+  belongs_to :ext_management_system, :foreign_key => "ems_id", :inverse_of => :service_offerings
+  belongs_to :service_broker
+
+  has_many :service_parameters_sets, :dependent => :nullify
+end
diff --git a/app/models/service_parameters_set.rb b/app/models/service_parameters_set.rb
new file mode 100644
index 00000000000..33220d54d6c
--- /dev/null
+++ b/app/models/service_parameters_set.rb
@@ -0,0 +1,4 @@
+class ServiceParametersSet < ApplicationRecord
+  belongs_to :ext_management_system, :foreign_key => "ems_id", :inverse_of => :service_parameters_sets
+  belongs_to :service_offering
+end