diff --git a/sigl/cli.py b/sigl/cli.py
index dd32808..e623f63 100644
--- a/sigl/cli.py
+++ b/sigl/cli.py
@@ -12,8 +12,12 @@ def init_shell():       # pragma: no cover
 
     from sigl.database import db
     from sigl.domain.models import (
+        AccessKey,
+        AccessToken,
+        ListEntry,
         Product,
         ProductLocation,
+        ShoppingList,
     )
 
     return {
@@ -26,8 +30,12 @@ def init_shell():       # pragma: no cover
         'session': db.session,
 
         # Models
+        'AccessKey': AccessKey,
+        'AccessToken': AccessToken,
+        'ListEntry': ListEntry,
         'Product': Product,
         'ProductLocation': ProductLocation,
+        'ShoppingList': ShoppingList,
     }
 
 
diff --git a/sigl/database/orm.py b/sigl/database/orm.py
index 8bab9c4..06deec9 100644
--- a/sigl/database/orm.py
+++ b/sigl/database/orm.py
@@ -8,9 +8,15 @@ from sigl.domain.models import (
     Product,
     ProductLocation,
 )
+from sigl.domain.models.accessKey import AccessKey, AccessToken
+from sigl.domain.models.list import ListEntry, ShoppingList
 
 from .globals import db
 from .tables import (
+    access_keys,
+    access_tokens,
+    list_entries,
+    lists,
     product_locations,
     products,
 )
@@ -21,6 +27,21 @@ __all__ = ('init_orm', )
 def init_orm():
     """Initialize the Sigl ORM."""
 
+    # Access Keys
+    db.mapper(AccessKey, access_keys, properties={
+        'tokens': db.relationship(
+            AccessToken,
+            backref='accessKey',
+            cascade='all, delete-orphan',
+        )
+    })
+
+    # Access Tokens
+    db.mapper(AccessToken, access_tokens)
+
+    # List Entries
+    db.mapper(ListEntry, list_entries)
+
     # Products
     db.mapper(Product, products, properties={
         'locations': db.relationship(
@@ -28,7 +49,21 @@ def init_orm():
             backref='product',
             cascade='all, delete-orphan',
         ),
+        'shoppingLists': db.relationship(
+            ShoppingList,
+            backref='product',
+            cascade='all, delete-orphan',
+        ),
     })
 
     # Product Locations
     db.mapper(ProductLocation, product_locations)
+
+    # Shopping Lists
+    db.mapper(ShoppingList, lists, properties={
+        'entries': db.relationship(
+            ListEntry,
+            backref='shoppingList',
+            cascade='all, delete-orphan',
+        )
+    })
diff --git a/sigl/domain/models/__init__.py b/sigl/domain/models/__init__.py
index 48e6706..b152645 100644
--- a/sigl/domain/models/__init__.py
+++ b/sigl/domain/models/__init__.py
@@ -4,8 +4,15 @@ Simple Grocery List (Sigl) | sigl.app
 Copyright (c) 2022 Asymworks, LLC.  All Rights Reserved.
 """
 
+from .accessKey import AccessKey, AccessToken
+from .list import ListEntry, ShoppingList
 from .product import Product, ProductLocation
 
 __all__ = (
-    'Product', 'ProductLocation',
+    'AccessKey',
+    'AccessToken',
+    'ListEntry',
+    'Product',
+    'ProductLocation',
+    'ShoppingList',
 )
diff --git a/sigl/domain/models/accessKey.py b/sigl/domain/models/accessKey.py
index 144c3e5..0d880e3 100644
--- a/sigl/domain/models/accessKey.py
+++ b/sigl/domain/models/accessKey.py
@@ -13,7 +13,7 @@ __all__ = ('AccessKey', 'AccessToken')
 @dataclass
 class AccessKey:
     """Sigl Access Key Class.
-    
+
     The Access Key represents a client or group of clients authorized to
     interact with their specific Sigl shopping lists and products. Access Keys
     are generally not revoked or deleted and remain for the lifetime of the
@@ -42,7 +42,7 @@ class AccessKey:
 @dataclass
 class AccessToken:
     """Sigl Access Token Class.
-    
+
     The Access Token represents authorization for a client (identified by an
     Access Key) to interact with the Sigl server. The token string, issue time,
     and expiry time must match the client-provided JWT for access to be granted.
diff --git a/sigl/domain/models/list.py b/sigl/domain/models/list.py
index 0b52e55..e796016 100644
--- a/sigl/domain/models/list.py
+++ b/sigl/domain/models/list.py
@@ -5,7 +5,6 @@ Copyright (c) 2022 Asymworks, LLC.  All Rights Reserved.
 """
 
 from dataclasses import dataclass
-from typing import List
 
 from .mixins import NotesMixin, TimestampMixin
 from .product import Product
diff --git a/sigl/domain/models/product.py b/sigl/domain/models/product.py
index 8b716cf..d4ffcca 100644
--- a/sigl/domain/models/product.py
+++ b/sigl/domain/models/product.py
@@ -5,7 +5,6 @@ Copyright (c) 2022 Asymworks, LLC.  All Rights Reserved.
 """
 
 from dataclasses import dataclass
-from typing import List
 
 from .mixins import NotesMixin, TimestampMixin