What does PSIS stand for?

What does PSIS mean?

PSIS	Pesticide Safety Information Series Miscellaneous » Farming
PSIS	Population and Social Integration Section Governmental
PSIS	Preparatory School for International Students Community » Schools
PSIS	Poison Substance Information System Governmental » Environmental
PSIS	Pounds per Square Inch Sealed Governmental » NASA
PSIS	Postsecondary Student Information System Academic & Science » Universities
PSIS	Pailan School of International Studies Academic & Science » Universities
PSIS	Posterior Inferior Iliac Spine Medical » Physiology
PSIS	Personal Spine Information Service Medical » British Medicine
PSIS	plastic surgery information system Medical » British Medicine
PSIS	posterosuperior iliac spine Medical » British Medicine
PSIS	Persatuan Sepak Bola Indonesia Semarang International » Indonesian