Development of software to control locks

Thank you for taking the time to read this project. We are a company that currently have solution that we sell to our customers. We need to develop a software solution, to offer a complete package to our customers. Software must be able to do the following: Read RFID card (from a connected rfid reader (usb or similar connection). When rfid card is read, check it against a database (preferably local mysql) Control a USB driven controller board that sends 12 volt impulses to the hardware we supply Software must idealy be written for windows operative system Software must be able through a hardware interface to "read" when an event is happening (door open/door closed) and save this Software must be able to accept manual commands, to use the USB controller board to send the 12 volt impulse Developer must be able to recommend hardware to use for the project. Everything needs to be scalable, to accept up to 200 "impulses" per PC, but spread over several USB controllers off course.