| Acronym | Definition |
|---|
| CSEI➣Coopersmith Self-Esteem Inventory |
| CSEI➣China Special Equipment Inspection (and Research Center) |
| CSEI➣Centre Synergie Entreprise Industrielle (French: Synergy Enterprise Industrial Center) |
| CSEI➣Center for the Study of Emerging Infections (Saint Louis University School of Public Health; St. Louis, MO) |
| CSEI➣Connection Strategies Enterprises, Inc. (Milwaukee, WI) |
| CSEI➣Canadian Superior Energy, Inc. |
| CSEI➣Corvettes of Southeast Idaho (Idaho Falls, ID) |