diff --git a/async_tests/test_async_ldap_model.py b/async_tests/test_async_ldap_model.py
index 193abb8..cca7d5b 100644
--- a/async_tests/test_async_ldap_model.py
+++ b/async_tests/test_async_ldap_model.py
@@ -244,6 +244,17 @@ def test_Hackers(client_fixture_multi):
     assert repr(h) == f"<Hackers {h.kind}=Hackers,{BASE_DN}>"
 
 
+def test_Hackers_singleton(client_fixture):
+    other_client = MockClient(BASE_DN)
+    h1 = Hackers(client_fixture)
+    h2 = Hackers(other_client)
+    h3 = Hackers(client_fixture)
+
+    assert client_fixture is not other_client
+    assert h1 is h3
+    assert h2 is not h1
+
+
 @pytest.mark.asyncio
 async def test_Entry_get_children(client_fixture_multi):
     h = Hackers(client_fixture_multi.users)
@@ -302,6 +313,17 @@ def test_Robots(client_fixture_multi):
     assert repr(r) == f"<Services {r.kind}=Services,{BASE_DN}>"
 
 
+def test_Robots_singleton(client_fixture):
+    other_client = MockClient(BASE_DN)
+    r1 = Robots(client_fixture)
+    r2 = Robots(other_client)
+    r3 = Robots(client_fixture)
+
+    assert client_fixture is not other_client
+    assert r1 is r3
+    assert r2 is not r1
+
+
 @pytest.mark.asyncio
 async def test_Robots_anext(client_fixture_multi):
     r = Robots(client_fixture_multi.services)
@@ -327,6 +349,17 @@ def test_Congregations(client_fixture_multi):
     assert repr(g) == f"<Groups {g.kind}=Groups,{BASE_DN}>"
 
 
+def test_Congregations_singleton(client_fixture):
+    other_client = MockClient(BASE_DN)
+    g1 = Congregations(client_fixture)
+    g2 = Congregations(other_client)
+    g3 = Congregations(client_fixture)
+
+    assert client_fixture is not other_client
+    assert g1 is g3
+    assert g2 is not g1
+
+
 @pytest.mark.asyncio
 async def test_Congregations_anext(client_fixture_multi):
     c = Congregations(client_fixture_multi.groups)
diff --git a/src/phi/async_ldap/model.py b/src/phi/async_ldap/model.py
index 9c6be8e..473c192 100644
--- a/src/phi/async_ldap/model.py
+++ b/src/phi/async_ldap/model.py
@@ -123,12 +123,13 @@ class Hackers(Entry):
     """
 
     kind = "ou"
-    _instance = None
+    _instances: T.Dict[str, Entry] = dict()
 
-    def __new__(cls, *args, **kwargs):
-        if cls._instance is None:
-            cls._instance = object.__new__(cls)
-        return cls._instance
+    def __new__(cls, client, *args, **kwargs):
+        _name = f"{id(client)}"
+        if _name not in cls._instances:
+            cls._instances[_name] = object.__new__(cls)
+        return cls._instances[_name]
 
     def __init__(self, client, *args, **kwargs):
         super().__init__(client)
@@ -160,12 +161,13 @@ class Robots(Entry):
 
     kind = "ou"
     _name = "Services"
-    _instance = None
+    _instances: T.Dict[str, Entry] = dict()
 
-    def __new__(cls, *args, **kwargs):
-        if cls._instance is None:
-            cls._instance = object.__new__(cls)
-        return cls._instance
+    def __new__(cls, client, *args, **kwargs):
+        _name = f"{id(client)}"
+        if _name not in cls._instances:
+            cls._instances[_name] = object.__new__(cls)
+        return cls._instances[_name]
 
     def __init__(self, client, *args, **kwargs):
         super().__init__(client)
@@ -186,12 +188,13 @@ class Congregations(Entry):
 
     kind = "ou"
     _name = "Groups"
-    _instance = None
+    _instances: T.Dict[str, Entry] = dict()
 
-    def __new__(cls, *args, **kwargs):
-        if cls._instance is None:
-            cls._instance = object.__new__(cls)
-        return cls._instance
+    def __new__(cls, client, *args, **kwargs):
+        _name = f"{id(client)}"
+        if _name not in cls._instances:
+            cls._instances[_name] = object.__new__(cls)
+        return cls._instances[_name]
 
     def __init__(self, client, *args, **kwargs):
         super().__init__(client)