| Acronym | Definition |
|---|
| NCEI➣National Centers for Environmental Information |
| NCEI➣National Center for Education Information |
| NCEI➣National Center for Environmental Innovation (US EPA) |
| NCEI➣North Carolina Early Intervention (North Carolina Department of Health and Human Services) |
| NCEI➣North Carolina Environmental Insight (electronic resource) |
| NCEI➣New Century Energy, Inc. (Pennsylvania) |
| NCEI➣National Council of Educational Innovators (Philippines) |