What does CSSD stand for?

What does CSSD mean?

CSSD	Central School of Speech and Drama Community » Educational
CSSD	Central School of Speech and Drama Community » Schools
CSSD	Center for Sustainable Suburban Development Academic & Science » Universities
CSSD	Computer Supported Simulations Division Governmental » Military
CSSD	Central Sterile Stores Department Medical » Hospitals
CSSD	Central Sterile Services/Supplies Department Medical » British Medicine
CSSD	Central Support Service Department Medical » British Medicine