Also found in: Medical.
|ORSI||Offshore Recruiting Services, Inc. (Canada)|
|ORSI||Office of Retirement and Survivors Insurance (Social Security)|
|ORSI||Oklahoma Repeater Society Inc (ham radio frequency coordination group)|
|ORSI||Ozark Rural Systemic Initiative for Mathematics, Technology and Science Reform (Southwest Center for Educational Excellence; Webb City, MO)|
|ORSI||Office of Regulatory Science and Innovations (US DHHS)|