We can add indexed views in transactional publication same as normal views (http://beyondrelational.com/justlearned/posts/701/.aspx) for transactional replication.
USE PublisherDB GO EXEC sp_addarticle @publication = N'PublicationName', @article = N'Indexed View Name', @source_owner = N'SchemaName', @source_object = N'Indexed View Name', @type = N'indexed view schema only', @description = N'', @creation_script = N'', @pre_creation_cmd = N'drop', @schema_option = 0x0000000008000001, @destination_table = N'Indexed View Name', @destination_owner = N'SchemaName', @status = 16 GO