diff --git a/hub/DEPLOYMENT.md b/hub/DEPLOYMENT.md
index 422b1aa7..e93fdb83 100644
--- a/hub/DEPLOYMENT.md
+++ b/hub/DEPLOYMENT.md
@@ -58,7 +58,7 @@ section in persistence/README.md file.
 as shown below:
 
 ```python
-from hub.exports.db_factory import DBFactory
+from hub.persistence.db_control import DBFactory
 from pathlib import Path
 
 dotenv_path = (Path(__file__).parent / '.env').resolve()
diff --git a/hub/__init__.py b/hub/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/hub/imports/db_factory.py b/hub/imports/db_factory.py
deleted file mode 100644
index e58ce073..00000000
--- a/hub/imports/db_factory.py
+++ /dev/null
@@ -1,81 +0,0 @@
-"""
-DBFactory performs database create, delete and update operations
-SPDX - License - Identifier: LGPL - 3.0 - or -later
-Copyright © 2022 Concordia CERC group
-Project CoderPeter Yefi peteryefi@gmail.com
-"""
-from hub.city_model_structure.city import City
-from hub.persistence import City as CityRepository
-from hub.persistence import SimulationResults
-from hub.persistence import Application
-
-
-class DBFactory:
-  """
-  DBFactory class
-  """
-
-  def __init__(self, db_name, dotenv_path, app_env):
-    self._city_repository = CityRepository(db_name=db_name, dotenv_path=dotenv_path, app_env=app_env)
-    self._simulation_results = SimulationResults(db_name=db_name, dotenv_path=dotenv_path, app_env=app_env)
-    self._application = Application(db_name=db_name, dotenv_path=dotenv_path, app_env=app_env)
-
-  def persist_city(self, city: City, pickle_path, application_id: int, user_id: int):
-    """
-    Persist city into postgres database
-    :param city: City to be stored
-    :param pickle_path: Path to save the pickle file
-    :param application_id: Application id owning this city
-    :param user_id: User who create the city
-    """
-    return self._city_repository.insert(city, pickle_path, application_id, user_id)
-
-  def update_city(self, city_id, city):
-    """
-   Update an existing city in postgres database
-   :param city_id: the id of the city to update
-   :param city: the updated city object
-    """
-    return self._city_repository.update(city_id, city)
-
-  def persist_application(self, name: str, description: str, application_uuid: str):
-    """
-    Creates an application
-   :param name: name of application
-   :param description: the description of the application
-   :param application_uuid: the uuid of the application to be created
-    """
-    return self._application.insert(name, description, application_uuid)
-
-  def update_application(self, name: str, description: str, application_uuid: str):
-    """
-    Update an application
-   :param name: name of application
-   :param description: the description of the application
-   :param application_uuid: the uuid of the application to be created
-    """
-    return self._application.update(application_uuid, name, description)
-
-  def delete_city(self, city_id):
-    """
-    Deletes a single city from postgres
-    :param city_id: the id of the city to get
-    """
-    self._city_repository.delete(city_id)
-
-  def delete_application(self, application_uuid):
-    """
-    Deletes a single application from postgres
-    :param application_uuid: the id of the application to get
-    """
-    self._application.delete(application_uuid)
-
-  def add_simulation_results(self, name, values, city_id=None, city_object_id=None):
-    """
-    Add simulation results to the city or to the city_object
-    :param name: simulation and simulation engine name
-    :param values: simulation values in json format
-    :param city_id: city id or None
-    :param city_object_id: city object id or None
-    """
-    self._simulation_results.insert(name, values, city_id, city_object_id)
diff --git a/hub/imports/user_factory.py b/hub/imports/user_factory.py
deleted file mode 100644
index ebd00087..00000000
--- a/hub/imports/user_factory.py
+++ /dev/null
@@ -1,46 +0,0 @@
-"""
-User performs user-related crud operations
-SPDX - License - Identifier: LGPL - 3.0 - or -later
-Copyright © 2022 Concordia CERC group
-Project CoderPeter Yefi peteryefi@gmail.com
-"""
-
-from hub.persistence import User
-from hub.persistence import UserRoles
-
-
-class UserFactory:
-  """
-  UserFactory class
-  """
-
-  def __init__(self, db_name, app_env, dotenv_path):
-    self._user_repo = User(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
-
-  def create_user(self, name: str, application_id: int, password: str, role: UserRoles):
-    """
-    Creates a new user
-    :param name: the name of the user
-    :param application_id: the application id of the user
-    :param password: the password of the user
-    :param role: the role of the user
-    """
-    return self._user_repo.insert(name, password, role, application_id)
-
-  def update_user(self, user_id: int, name: str, password: str, role: UserRoles):
-    """
-    Creates a new user
-    :param user_id: the id of the user
-    :param name: the name of the user
-    :param email: the email of the user
-    :param password: the password of the user
-    :param role: the role of the user
-    """
-    return self._user_repo.update(user_id, name, password, role)
-
-  def delete_user(self, user_id):
-    """
-    Retrieve a single user
-    :param user_id: the id of the user to delete
-    """
-    return self._user_repo.delete(user_id)
diff --git a/hub/exports/db_factory.py b/hub/persistence/db_control.py
similarity index 50%
rename from hub/exports/db_factory.py
rename to hub/persistence/db_control.py
index 959d1906..06471fde 100644
--- a/hub/exports/db_factory.py
+++ b/hub/persistence/db_control.py
@@ -7,20 +7,22 @@ Project CoderPeter Yefi peteryefi@gmail.com
 import json
 from typing import Union, Dict
 
-from hub.persistence import City
+from hub.city_model_structure.city import City
 from hub.persistence import Application
-from hub.persistence import User
+from hub.persistence import City as CityRepository
 from hub.persistence import CityObject
 from hub.persistence import SimulationResults
+from hub.persistence import User
+from hub.persistence import UserRoles
 
 
-class DBFactory:
+class DBControl:
   """
   DBFactory class
   """
 
   def __init__(self, db_name, app_env, dotenv_path):
-    self._city = City(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
+    self._city_repository = CityRepository(db_name=db_name, dotenv_path=dotenv_path, app_env=app_env)
     self._application = Application(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
     self._user = User(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
     self._city_object = CityObject(db_name=db_name, app_env=app_env, dotenv_path=dotenv_path)
@@ -61,7 +63,7 @@ class DBFactory:
     :param application_id: Application id
     :return: [City]
     """
-    return self._city.get_by_user_id_and_application_id(user_id, application_id)
+    return self._city_repository.get_by_user_id_and_application_id(user_id, application_id)
 
   def building_info(self, name, city_id) -> Union[CityObject, None]:
     """
@@ -85,7 +87,7 @@ class DBFactory:
     results = {}
     for city in cities['cities']:
       city_name = next(iter(city))
-      result_set = self._city.get_by_user_id_application_id_and_name(user_id, application_id, city_name)
+      result_set = self._city_repository.get_by_user_id_application_id_and_name(user_id, application_id, city_name)
       if result_set is None:
         continue
       city_id = result_set.id
@@ -104,3 +106,92 @@ class DBFactory:
           values["building"] = building_name
           results[city_name].append(values)
     return results
+
+  def persist_city(self, city: City, pickle_path, application_id: int, user_id: int):
+    """
+    Persist city into postgres database
+    :param city: City to be stored
+    :param pickle_path: Path to save the pickle file
+    :param application_id: Application id owning this city
+    :param user_id: User who create the city
+    """
+    return self._city_repository.insert(city, pickle_path, application_id, user_id)
+
+  def update_city(self, city_id, city):
+    """
+   Update an existing city in postgres database
+   :param city_id: the id of the city to update
+   :param city: the updated city object
+    """
+    return self._city_repository.update(city_id, city)
+
+  def persist_application(self, name: str, description: str, application_uuid: str):
+    """
+    Creates an application
+   :param name: name of application
+   :param description: the description of the application
+   :param application_uuid: the uuid of the application to be created
+    """
+    return self._application.insert(name, description, application_uuid)
+
+  def update_application(self, name: str, description: str, application_uuid: str):
+    """
+    Update an application
+   :param name: name of application
+   :param description: the description of the application
+   :param application_uuid: the uuid of the application to be created
+    """
+    return self._application.update(application_uuid, name, description)
+
+  def delete_city(self, city_id):
+    """
+    Deletes a single city from postgres
+    :param city_id: the id of the city to get
+    """
+    self._city_repository.delete(city_id)
+
+  def delete_application(self, application_uuid):
+    """
+    Deletes a single application from postgres
+    :param application_uuid: the id of the application to get
+    """
+    self._application.delete(application_uuid)
+
+  def add_simulation_results(self, name, values, city_id=None, city_object_id=None):
+    """
+    Add simulation results to the city or to the city_object
+    :param name: simulation and simulation engine name
+    :param values: simulation values in json format
+    :param city_id: city id or None
+    :param city_object_id: city object id or None
+    """
+    self._simulation_results.insert(name, values, city_id, city_object_id)
+
+  def create_user(self, name: str, application_id: int, password: str, role: UserRoles):
+    """
+    Creates a new user
+    :param name: the name of the user
+    :param application_id: the application id of the user
+    :param password: the password of the user
+    :param role: the role of the user
+    """
+    return self._user.insert(name, password, role, application_id)
+
+  def update_user(self, user_id: int, name: str, password: str, role: UserRoles):
+    """
+    Creates a new user
+    :param user_id: the id of the user
+    :param name: the name of the user
+    :param email: the email of the user
+    :param password: the password of the user
+    :param role: the role of the user
+    """
+    return self._user.update(user_id, name, password, role)
+
+  def delete_user(self, user_id):
+    """
+    Retrieve a single user
+    :param user_id: the id of the user to delete
+    """
+    return self._user.delete(user_id)
+
diff --git a/hub/unittests/test_db_factory.py b/hub/unittests/test_db_factory.py
index 391f21ff..6c373ceb 100644
--- a/hub/unittests/test_db_factory.py
+++ b/hub/unittests/test_db_factory.py
@@ -13,9 +13,7 @@ import sqlalchemy.exc
 from hub.imports.geometry_factory import GeometryFactory
 from hub.imports.construction_factory import ConstructionFactory
 from hub.imports.usage_factory import UsageFactory
-from hub.imports.db_factory import DBFactory as ImportDBFactory
-from hub.imports.user_factory import UserFactory
-from hub.exports.db_factory import DBFactory as ExportDBFactory
+from hub.persistence.db_control import DBControl
 from hub.persistence.repository import Repository
 from sqlalchemy import create_engine
 from hub.persistence.models import City, Application, CityObject
@@ -25,7 +23,7 @@ from sqlalchemy.exc import ProgrammingError
 import uuid
 
 
-class Configure:
+class Control:
   _skip_test = False
   _skip_reason = 'PostgreSQL not properly installed in host machine'
 
@@ -68,30 +66,19 @@ setup
     ConstructionFactory('nrcan', self._city).enrich()
     UsageFactory('nrcan', self._city).enrich()
 
-    self._import_db_factory = ImportDBFactory(
-      db_name=repository.configuration.db_name,
-      app_env='TEST',
-      dotenv_path=dotenv_path)
-    self._export_db_factory = ExportDBFactory(
-      db_name=repository.configuration.db_name,
-      app_env='TEST',
-      dotenv_path=dotenv_path)
-    user_factory = UserFactory(
+    self._database = DBControl(
       db_name=repository.configuration.db_name,
       app_env='TEST',
       dotenv_path=dotenv_path)
+
     self._unique_id = str(uuid.uuid4())
-    self._application = self.import_db_factory.persist_application("test", "test application", self.unique_id)
-    self._user = user_factory.create_user("Admin", self.application.id, "Admin@123", UserRoles.Admin)
+    self._application = self._database.persist_application("test", "test application", self.unique_id)
+    self._user = self._database.create_user("Admin", self.application.id, "Admin@123", UserRoles.Admin)
     self._pickle_path = 'tests_data/pickle_path.bz2'
 
   @property
-  def import_db_factory(self):
-    return self._import_db_factory
-
-  @property
-  def export_db_factory(self):
-    return self._export_db_factory
+  def database(self):
+    return self._database
 
   @property
   def unique_id(self):
@@ -126,7 +113,7 @@ setup
     return self._pickle_path
 
 
-configure = Configure()
+control = Control()
 
 
 class TestDBFactory(TestCase):
@@ -134,38 +121,38 @@ class TestDBFactory(TestCase):
 TestDBFactory
 """
 
-  @unittest.skipIf(configure.skip_test, configure.skip_reason)
+  @unittest.skipIf(control.skip_test, control.skip_reason)
   def test_save_application(self):
-    self.assertEqual(configure.application.name, "test")
-    self.assertEqual(configure.application.description, "test application")
-    self.assertEqual(str(configure.application.application_uuid), configure.unique_id)
+    self.assertEqual(control.application.name, "test")
+    self.assertEqual(control.application.description, "test application")
+    self.assertEqual(str(control.application.application_uuid), control.unique_id)
 
-  @unittest.skipIf(configure.skip_test, configure.skip_reason)
+  @unittest.skipIf(control.skip_test, control.skip_reason)
   def test_save_city(self):
-    configure.city.name = "Montreal"
-    city = configure.import_db_factory.persist_city(
-      configure.city,
-      configure.pickle_path,
-      configure.application.id,
-      configure.user.id)
+    control.city.name = "Montreal"
+    city = control.database.persist_city(
+      control.city,
+      control.pickle_path,
+      control.application.id,
+      control.user.id)
     self.assertEqual(city.name, 'Montreal')
-    self.assertEqual(city.pickle_path, configure.pickle_path)
-    self.assertEqual(city.level_of_detail, configure.city.level_of_detail.geometry)
-    configure.import_db_factory.delete_city(city.id)
+    self.assertEqual(city.pickle_path, control.pickle_path)
+    self.assertEqual(city.level_of_detail, control.city.level_of_detail.geometry)
+    control.database.delete_city(city.id)
 
-  @unittest.skipIf(configure.skip_test, configure.skip_reason)
+  @unittest.skipIf(control.skip_test, control.skip_reason)
   def test_get_update_city(self):
-    city = configure.import_db_factory.persist_city(configure.city,
-                                                    configure.pickle_path,
-                                                    configure.application.id,
-                                                    configure._user.id)
+    city = control.database.persist_city(control.city,
+                                         control.pickle_path,
+                                         control.application.id,
+                                         control._user.id)
     city.name = "Ottawa"
-    configure.import_db_factory.update_city(city.id, configure.city)
-    cities = configure.export_db_factory.cities_by_user_and_application(
-      configure.user.id,
-      configure.application.id)
+    control.database.update_city(city.id, control.city)
+    cities = control.database.cities_by_user_and_application(
+      control.user.id,
+      control.application.id)
     for updated_city in cities:
       if updated_city.id == city.id:
         self.assertEqual(updated_city.name, city.name)
         break
-    configure.import_db_factory.delete_city(city.id)
+    control.database.delete_city(city.id)
diff --git a/hub/unittests/tests_data/pickle_path.bz2 b/hub/unittests/tests_data/pickle_path.bz2
index df2daadf..c88706a3 100644
Binary files a/hub/unittests/tests_data/pickle_path.bz2 and b/hub/unittests/tests_data/pickle_path.bz2 differ