PECOS
| Acronym | Definition |
|---|---|
| PECOS | Provider Enrollment, Chain and Ownership System (Medicare provider online enrollment system) |
| PECOS | Predictive Engineering and Computational Sciences (University of Texas) |
| PECOS | Professional Electronic Commerce Online System (software) |
| PECOS | Preemptive Control Signature |
| PECOS | Program Environment Check-Out System |
| PECOS | Personnel Contamination Sensor |