diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/models/message_instance_correlation.py b/spiffworkflow-backend/src/spiffworkflow_backend/models/message_instance_correlation.py
index 92ab8f14a..755e6563a 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/models/message_instance_correlation.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/models/message_instance_correlation.py
@@ -30,7 +30,7 @@ class MessageInstanceCorrelationRuleModel(SpiffworkflowBaseDBModel):
 
     id = db.Column(db.Integer, primary_key=True)
     message_instance_id = db.Column(ForeignKey(MessageInstanceModel.id), nullable=False, index=True)  # type: ignore
-    name: str = db.Column(db.String(50), nullable=False)
+    name: str = db.Column(db.String(50), nullable=False, index=True)
     retrieval_expression: str = db.Column(db.String(255))
     updated_at_in_seconds: int = db.Column(db.Integer)
     created_at_in_seconds: int = db.Column(db.Integer)
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/models/process_instance.py b/spiffworkflow-backend/src/spiffworkflow_backend/models/process_instance.py
index 20492ce2d..138aac26f 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/models/process_instance.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/models/process_instance.py
@@ -61,7 +61,7 @@ class ProcessInstanceModel(SpiffworkflowBaseDBModel):
     process_initiator = relationship("UserModel")
 
     bpmn_process_definition_id: int | None = db.Column(
-        ForeignKey(BpmnProcessDefinitionModel.id), nullable=True  # type: ignore
+        ForeignKey(BpmnProcessDefinitionModel.id), nullable=True, index=True  # type: ignore
     )
     bpmn_process_definition = relationship(BpmnProcessDefinitionModel)
     bpmn_process_id: int | None = db.Column(ForeignKey(BpmnProcessModel.id), nullable=True)  # type: ignore
@@ -90,7 +90,7 @@ class ProcessInstanceModel(SpiffworkflowBaseDBModel):
     )  # type: ignore
 
     bpmn_json: str | None = deferred(db.Column(db.JSON))  # type: ignore
-    start_in_seconds: int | None = db.Column(db.Integer)
+    start_in_seconds: int | None = db.Column(db.Integer, index=True)
     end_in_seconds: int | None = db.Column(db.Integer)
     updated_at_in_seconds: int = db.Column(db.Integer)
     created_at_in_seconds: int = db.Column(db.Integer)
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/models/task_definition.py b/spiffworkflow-backend/src/spiffworkflow_backend/models/task_definition.py
index 6868f2cf2..893331a8f 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/models/task_definition.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/models/task_definition.py
@@ -29,9 +29,9 @@ class TaskDefinitionModel(SpiffworkflowBaseDBModel):
 
     bpmn_identifier: str = db.Column(db.String(255), nullable=False, index=True)
     bpmn_name: str = db.Column(db.String(255), nullable=True, index=True)
+    typename: str = db.Column(db.String(255), nullable=False, index=True)
 
     properties_json: dict = db.Column(db.JSON, nullable=False)
-    typename: str = db.Column(db.String(255), nullable=False)
 
     updated_at_in_seconds: int = db.Column(db.Integer)
     created_at_in_seconds: int = db.Column(db.Integer)
diff --git a/spiffworkflow-backend/src/spiffworkflow_backend/models/user.py b/spiffworkflow-backend/src/spiffworkflow_backend/models/user.py
index 4b55e8b6e..1f667e0a3 100644
--- a/spiffworkflow-backend/src/spiffworkflow_backend/models/user.py
+++ b/spiffworkflow-backend/src/spiffworkflow_backend/models/user.py
@@ -28,11 +28,12 @@ class UserModel(SpiffworkflowBaseDBModel):
 
     id: int = db.Column(db.Integer, primary_key=True)
     username: str = db.Column(db.String(255), nullable=False, unique=True)
+    email = db.Column(db.String(255), index=True)
+
+    service = db.Column(db.String(255), nullable=False, unique=False, index=True)  # not 'openid' -- google, aws
+    service_id = db.Column(db.String(255), nullable=False, unique=False, index=True)
 
-    service = db.Column(db.String(255), nullable=False, unique=False)  # not 'openid' -- google, aws
-    service_id = db.Column(db.String(255), nullable=False, unique=False)
     display_name = db.Column(db.String(255))
-    email = db.Column(db.String(255))
     tenant_specific_field_1: str | None = db.Column(db.String(255))
     tenant_specific_field_2: str | None = db.Column(db.String(255))
     tenant_specific_field_3: str | None = db.Column(db.String(255))