Sorry for not providing proper info...
I've applied in Material Chemistry and I'm getting funding from all the three universities which are as follows:
1. University of Nebraska, Lincoln = 28,880$ per year (tuition fee waived but have to pay 1100$ for health insurance per semester)
2. University of South Carolina = 24,000$ per year (only tuition fee waived)
3. Oregon State University = 24,000$ per year (tuition fee and health insurance also waived)
4. Texas tech University = 21,100$ per year (700$ for tuition fee and 1100$ for health insurance per semester)
5. University of Saskatchewan, Canada (official letter not received yet)