| Acronym | Definition |
|---|
| CEIS➣Centro de Educación Integral Sistematizada (Spanish; Center for Systematized Integral Education; Guatemala) |
| CEIS➣Career Education in Ibm Software |
| CEIS➣Center for Environmental Information Science (Japan) |
| CEIS➣Center for Environmental Information and Statistics |
| CEIS➣Corporate Executive Information System |
| CEIS➣Canadian Environmental Industry Strategy |
| CEIS➣Certified Expert Intrusion Specialist (Lunarline School of Cybersecurity; various locations) |
| CEIS➣Contract End Item Specification |
| CEIS➣Certified Early Intervention Specialist |
| CEIS➣Combined Elements and Integrated Systems |
| CEIS➣Candidate Environmental Impact Statement |
| CEIS➣Celestial Navigation Training |
| CEIS➣Corporate Employee Information System |
| CEIS➣Çimento Endüstrisi Ýþverenleri Sendikasý (Cement Industry Employers' Association; Ankara, Turkey) |
| CEIS➣Cost & Economic Information System |
| CEIS➣Control Equipage Inventory System (US Navy program) |