diff --git a/tests/test_hooks.py b/tests/test_hooks.py
index 896fa3a7397416704672e941c5e7360197874f3a..bcb7e3ebe7c19575525a82455c18b9dd652349b7 100644
--- a/tests/test_hooks.py
+++ b/tests/test_hooks.py
@@ -27,6 +27,16 @@ def test_load_all():
     ('payee', 'A de B de la C', 'entity', 'de-la-C-A-de-B'),
     ('corporation', 'Company A', 'corp_entity', 'Company-A'),
     ('corporation', 'Company A 99', 'corp_entity', 'Company-A-99'),
+    ('corporation', 'DX Co.', 'corp_entity', 'DX'),
+    ('corporation', 'DX Company', 'corp_entity', 'DX'),
+    ('corporation', 'DX Company Inc.', 'corp_entity', 'DX'),
+    ('corporation', 'DX Corp', 'corp_entity', 'DX'),
+    ('corporation', 'DX Corp LLC', 'corp_entity', 'DX'),
+    ('corporation', 'DX Corporation', 'corp_entity', 'DX'),
+    ('corporation', 'DX, Inc.', 'corp_entity', 'DX'),
+    ('corporation', 'DX Incorporated', 'corp_entity', 'DX'),
+    ('payee', 'Poe Inc', 'entity', 'Inc-Poe'),
+    ('corporation', 'Silly Van', 'corp_entity', 'Silly-Van'),
 ])
 def test_add_entity(in_key, payee, out_key, expected):
     data = {in_key: payee}