looking for Soap Service Expert(include PLC & modbus) -- 2

Hi, thanks for listening. I need software to connect to a web service and send commands to a PLC (preferably via modbus). There will be about 10 commands to receive and send. We will receive some informations and need record on MS SQL Express, and need send signals (modbus) to my PLC This we will receive for add and remove data from my database. "addItemListaLocal RemoveItemListaLocal" We need one SOAP web service