diff --git a/README.rst b/README.rst
index 1dcab37..bf345bd 100644
--- a/README.rst
+++ b/README.rst
@@ -23,4 +23,5 @@ python setup.py test
 
 Changelog
 -----------------------------
+v0.0.26 - added TwoThirdBlast email type
 v0.0.23 - added HalfBlast email type
\ No newline at end of file
diff --git a/dive_sailthru_client/client.py b/dive_sailthru_client/client.py
index 7d92653..820b82e 100644
--- a/dive_sailthru_client/client.py
+++ b/dive_sailthru_client/client.py
@@ -18,6 +18,7 @@ class DiveEmailTypes:
     Provides standard email types we use.
     """
     Blast = "blast"
+    TwoThirdBlast = "twothirdblast"
     HalfBlast = "halfblast"
     ThirdBlast = "thirdblast"
     QuarterBlast = "quarterblast"
@@ -92,6 +93,9 @@ def _infer_dive_email_type(self, campaign):   # noqa: C901 - yeah it's complicat
         elif "Blast" in labels or '-blast-' in name or "blast=" in name or "blast list" in list_name.lower():
             if "QuarterBlast" in name or "Quarters Blast List" in list_name or "Quarter Blast List" in list_name:
                 return DiveEmailTypes.QuarterBlast
+            elif "twothirdblast" in name or "two thirds blast list" in list_name.lower() or "two third blast list" in list_name.lower():
+                # Must go before standard third blast
+                return DiveEmailTypes.TwoThirdBlast
             elif "ThirdBlast" in name or "Thirds Blast List" in list_name or "Third Blast List" in list_name:
                 return DiveEmailTypes.ThirdBlast
             elif "HalfBlast" in name or "Half Blast List" in list_name \
@@ -116,7 +120,7 @@ def _infer_dive_publication(self, campaign):
         """
 
         # This function requires a dive_email_type, so if 'dive_email_type' is already a key
-        # in the campaign than use it, otherwise call it here.
+        # in the campaign then use it, otherwise call it here.
         if 'dive_email_type' in list(campaign.keys()):
             dive_email_type = campaign['dive_email_type']
         else:
@@ -129,8 +133,9 @@ def _infer_dive_publication(self, campaign):
             # blast list: "Utility Dive and sub pubs Blast List"
             # This regex handles that as well as normal blast lists
             return re.sub(r'( and sub pubs)? [Bb]last [Ll]ist$', '', list_name)
-        if dive_email_type in (DiveEmailTypes.HalfBlast, DiveEmailTypes.QuarterBlast, DiveEmailTypes.ThirdBlast) and "Group" in list_name:
-            return re.sub(r'( (Half|Thirds?|Quarters?))? Blast List - Group [A-D]$', '', list_name, flags=re.I)
+        if (dive_email_type in (DiveEmailTypes.HalfBlast, DiveEmailTypes.QuarterBlast, DiveEmailTypes.ThirdBlast, DiveEmailTypes.TwoThirdBlast) and
+            "Group" in list_name):
+            return re.sub(r'( (Half|(TWO )?Thirds?|Quarters?))? Blast List - Group [A-D]$', '', list_name, flags=re.I)
         if dive_email_type == DiveEmailTypes.Weekender and list_name.lower().endswith("weekender"):
             return re.sub(r' [Ww]eekender$', '', list_name)
         if dive_email_type == DiveEmailTypes.Newsletter:
diff --git a/dive_sailthru_client/tests/test_diveSailthruClient.py b/dive_sailthru_client/tests/test_diveSailthruClient.py
index 76dc740..8bc2686 100644
--- a/dive_sailthru_client/tests/test_diveSailthruClient.py
+++ b/dive_sailthru_client/tests/test_diveSailthruClient.py
@@ -236,6 +236,45 @@ def test_infer_dive_email_type_and_brand_real_examples(self):
                 'expected_type': DiveEmailTypes.QuarterBlast,
                 'comment': 'Marketing Dive Quarter Blast with param-type blast name',
             },
+            {
+                'input': {
+                    'blast_id' : 35893250,
+                    'email_count': 57400,
+                    'labels' : ['Blast'],
+                    'list' : 'Healthcare Dive TWO Third Blast List - Group B',
+                    'mode': 'email',
+                    'modify_time' : 'Mon, 01 Jul 2024 10:20:29 -0400',
+                    'modify_user' : 'xxx@industrydive.com',
+                    'name': 'client_name=CorroHealth&pt_id=a12PE000000L2bnYAC&blast=twothirdblast&site=HealthcareDive&send_date=07.09.2024',
+                    'from_name' : 'Healthcare Dive',
+                    'status' : 'created',
+                    'subject' : 'Boost Hospital Revenue 7X with AI',
+                    'suppress_list' : [],
+                },
+                'expected_publication': 'Healthcare Dive',
+                'expected_type': DiveEmailTypes.TwoThirdBlast,
+                'comment': 'Healthcare Dive Two Third Blast with param-type blast name',
+            },
+            {
+                'input': {
+                    'blast_id' : 35893250,
+                    'email_count': 57400,
+                    'labels' : ['Blast'],
+                    'list' : 'Healthcare Dive TWO Third Blast List - Group B',
+                    'mode': 'email',
+                    'modify_time' : 'Mon, 01 Jul 2024 10:20:29 -0400',
+                    'modify_user' : 'xxx@industrydive.com',
+                    # Intentionally editing 'name' blast param to test inference from 'list' value
+                    'name': 'client_name=CorroHealth&pt_id=a12PE000000L2bnYAC&blast=incorrectblastparam&site=HealthcareDive&send_date=07.09.2024',
+                    'from_name' : 'Healthcare Dive',
+                    'status' : 'created',
+                    'subject' : 'Boost Hospital Revenue 7X with AI',
+                    'suppress_list' : [],
+                },
+                'expected_publication': 'Healthcare Dive',
+                'expected_type': DiveEmailTypes.TwoThirdBlast,
+                'comment': 'Healthcare Dive Two Third Blast with expected list name',
+            },
             # You can pull the data for these tests from sailthru_tools scripts/get_campaign.py
         ]
 
diff --git a/setup.py b/setup.py
index c8d6d7f..bdd3b17 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 
 setup(
     name="dive_sailthru_client",
-    version="0.0.25",
+    version="0.0.26",
     description="Industry Dive abstraction of the Sailthru API client",
     author='Industry Dive',
     author_email='tech.team@industrydive.com',