diff --git a/lib/pipedrive.rb b/lib/pipedrive.rb
index b872e92..7c83757 100644
--- a/lib/pipedrive.rb
+++ b/lib/pipedrive.rb
@@ -57,6 +57,7 @@ def logger
 
 # Organizations
 require 'pipedrive/organization_field'
+require 'pipedrive/organization_relationship'
 require 'pipedrive/organization'
 
 # Filters
@@ -92,6 +93,7 @@ def logger
 
 # Notes
 require 'pipedrive/note'
+require 'pipedrive/note_field'
 
 # Users
 require 'pipedrive/user'
diff --git a/lib/pipedrive/note_field.rb b/lib/pipedrive/note_field.rb
new file mode 100644
index 0000000..08672c0
--- /dev/null
+++ b/lib/pipedrive/note_field.rb
@@ -0,0 +1,9 @@
+module Pipedrive
+  class NoteField < Base
+    include ::Pipedrive::Operations::Read
+
+    def entity_name
+      'noteFields'
+    end
+  end
+end
diff --git a/lib/pipedrive/organization_relationship.rb b/lib/pipedrive/organization_relationship.rb
new file mode 100644
index 0000000..d264a62
--- /dev/null
+++ b/lib/pipedrive/organization_relationship.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+module Pipedrive
+  class OrganizationRelationship < Base
+    include ::Pipedrive::Operations::Read
+    include ::Pipedrive::Operations::Create
+    include ::Pipedrive::Operations::Update
+    include ::Pipedrive::Operations::Delete
+
+    def entity_name
+      'organizationRelationships'
+    end
+  end
+end
diff --git a/spec/lib/pipedrive/note_field_spec.rb b/spec/lib/pipedrive/note_field_spec.rb
new file mode 100644
index 0000000..bbdfb7c
--- /dev/null
+++ b/spec/lib/pipedrive/note_field_spec.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ::Pipedrive::NoteField do
+  subject { described_class.new('token') }
+
+  describe '#entity_name' do
+    subject { super().entity_name }
+
+    it { is_expected.to eq('noteFields') }
+  end
+end
diff --git a/spec/lib/pipedrive/organization_relationship_spec.rb b/spec/lib/pipedrive/organization_relationship_spec.rb
new file mode 100644
index 0000000..843506e
--- /dev/null
+++ b/spec/lib/pipedrive/organization_relationship_spec.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ::Pipedrive::OrganizationRelationship do
+  subject { described_class.new('token') }
+
+  describe '#entity_name' do
+    subject { super().entity_name }
+
+    it { is_expected.to eq('organizationRelationships') }
+  end
+end