SIIT

S.I.I.T. or SIIT is an abbreviation for:

IT-related

 * Stateless IP/ICMP Translation, a means for interworking different versions of the Internet Protocol
 * Standardization and Innovation in Information Technology (an academic conference by IEEE)

Colleges and Universities

 * Sajjad Institute of Information Technology (India)
 * Saskatchewan Indian Institute of Technologies (Canada)
 * School of Industrial and Information Technology (Mindanao, Philippines)
 * Scholars International Institute of Technology (Delaware, USA)
 * Shandong International Institution of Translation (China)
 * Sirindhorn International Institute of Technology, Thammasat University (Thailand)
 * South Institute of Information Technology (Pakistan)
 * Suzhou Institute of Industrial Technology (China)
 * Systematic Institute of Information Technology (Malaysia)

Others

 * Significant Incident Investigation Team (Los Angeles Fire Department)