diff --git a/src/utilities/files/simulation_data_types/base_data_simulation_handler.py b/src/utilities/files/simulation_data_types/base_data_simulation_handler.py
index e2b02aa..15670d6 100644
--- a/src/utilities/files/simulation_data_types/base_data_simulation_handler.py
+++ b/src/utilities/files/simulation_data_types/base_data_simulation_handler.py
@@ -1,16 +1,11 @@
+# Python Imports
 import abc
 from abc import ABC
+import polars as pl
 
 
 class BaseDataSimulationHandler(ABC):
 
-    def __init__(self):
-        self._data = None
-
     @abc.abstractmethod
-    def load_data(self, path):
-        pass
-
-    @abc.abstractmethod
-    def convert_into_dataframe(self):
+    def load_data(self, path: str) -> pl.DataFrame:
         pass
diff --git a/src/utilities/files/simulation_data_types/csv_data_simulation_handler.py b/src/utilities/files/simulation_data_types/csv_data_simulation_handler.py
index 80ec474..474ba94 100644
--- a/src/utilities/files/simulation_data_types/csv_data_simulation_handler.py
+++ b/src/utilities/files/simulation_data_types/csv_data_simulation_handler.py
@@ -1,10 +1,14 @@
+# Python Imports
+import polars as pl
+
+# Project Imports
 from src.utilities.files.simulation_data_types.base_data_simulation_handler import BaseDataSimulationHandler
 
 
 class CsvDataSimulationHandler(BaseDataSimulationHandler):
 
-    def load_data(self, path):
-        pass
+    def load_data(self, path: str) -> pl.DataFrame:
+        polars_df = pl.read_csv(path)
+
+        return polars_df
 
-    def convert_into_dataframe(self):
-        pass
diff --git a/src/utilities/files/simulation_data_types/json_data_simulation_handler.py b/src/utilities/files/simulation_data_types/json_data_simulation_handler.py
index 99b037c..e38054a 100644
--- a/src/utilities/files/simulation_data_types/json_data_simulation_handler.py
+++ b/src/utilities/files/simulation_data_types/json_data_simulation_handler.py
@@ -1,10 +1,13 @@
+# Python Imports
+import polars as pl
+
+# Project Imports
 from src.utilities.files.simulation_data_types.base_data_simulation_handler import BaseDataSimulationHandler
 
 
 class JsonDataSimulationHandler(BaseDataSimulationHandler):
 
-    def load_data(self, path):
-        pass
+    def load_data(self, path: str) -> pl.DataFrame:
+        polars_df = pl.read_json(path)
 
-    def convert_into_dataframe(self):
-        pass
+        return polars_df
diff --git a/src/utilities/files/simulation_data_types/parquet_simulation_data_handler.py b/src/utilities/files/simulation_data_types/parquet_simulation_data_handler.py
index c83dfa6..60b5421 100644
--- a/src/utilities/files/simulation_data_types/parquet_simulation_data_handler.py
+++ b/src/utilities/files/simulation_data_types/parquet_simulation_data_handler.py
@@ -1,10 +1,13 @@
+# Python Imports
+import polars as pl
+
+# Project Imports
 from src.utilities.files.simulation_data_types.base_data_simulation_handler import BaseDataSimulationHandler
 
 
 class ParquetDataSimulationHandler(BaseDataSimulationHandler):
 
-    def load_data(self, path):
-        pass
+    def load_data(self, path: str) -> pl.DataFrame:
+        polars_df = pl.read_parquet(path)
 
-    def convert_into_dataframe(self):
-        pass
+        return polars_df