| Abbreviation | Definition |
|---|---|
| CDP | Consulting Development Program |
| CDPC | Certificate in Dynamic Phytotherapy Consulting |
| CE | Consulting Engineer |
| CEAI | Consulting Engineers Association of India |
| CECG | Construction Engineering Consulting Group |
| CECG | Crypto Economics Consulting Group |
| CECM | Consulting Engineers Council of Minnesota |
| CECS | Civil Engineering Consulting Services |
| CEDCS | Chemical Engineering Design and Consultancy Services |
| CEG | Consulting Engineers Group |
| CEI | Consultant Engineering Inc |
| CEM | Consulting Engineering and Management |
| CENS | Consulting Engineers of Nova Scotia |
| CEPAC | Consulting Engineers Political Action Committee |
| CESA | Consulting Engineers South Africa |
| CESP | Consultant Eye Surgeons Partnership |
| CFBC | Consulting Foresters of British Columbia |
| CGC | Chenega Government Consulting |
| CGCC | Columbia Graduate Consulting Club |
| CGCG | Cyber Guardian Consulting Group |