| PEMS | Paris Evangelical Missionary Society 
| Others |
| PEMS | Patient Evaluation Management Service
| Others |
| PEMS | Patient Evaluation Management Services
| Others |
| PEMS | Patient Evaluation Management System
| Others |
| PEMS | Percutaneous Electrical Muscle Stimulator
| Others |
| PEMS | PErformance Measurement System
| Others |
| PEMS | Personal Equity Management Systems
| Others |
| PEMS | Pharmacy Education Management System
| Others |
| PEMS | Phoenix Early Music Society
| Others |
| PEMS | Physical Emotional Mental and Spiritual
| Others |
| PEMS | Physical, Environmental, and Mathematical Sciences
| Others |
| PEMS | Policy and Expenditure Management System
| Others |
| PEMS | Portable Emission Measurement System
| Others |
| PEMS | Portable Emission Measurement Systems
| Others |
| PEMS | Portable Emissions Measurement System
| Others |
| PEMS | Portable Emissions Measurement Systems
| Others |
| PEMS | Portable Emissions Monitoring System
| Others |
| PEMS | Poult Enteritis and Mortality Syndrome
| Others |
| PEMS | Poult Enteritis Mortality Syndrome
| Others |
| PEMS | Power Energy Management Solutions
| Others |
| PEMS | Practical Emotional Mental Spiritual
| Others |
| PEMS | Practice Education Management System
| Others |
| PEMS | Pre and Early Modern Studies
| Others |
| PEMS | Preceptor Education Management System
| Others |
| PEMS | Precision Electric Motor Sales
| Others |
| PEMS | Predict, Extract, Match, and Search
| Others |
| PEMS | Predictive Emission Monitoring Systems
| Others |
| PEMS | Predictive Emissions Modeling System
| Others |
| PEMS | Predictive Emissions Monitoring System
| Others |
| PEMS | Predictive Emissions Monitoring Systems
| Others |
| PEMS | Premier Emergency Medical Specialists
| Others |
| PEMS | Process Environment Monitoring System
| Others |
| PEMS | Program Evaluation and Monitoring System
| Others |
| PEMS | Program Evaluation Management System
| Others |
| PEMS | Programable Engine Management System
| Others |
| PEMS | Project Estimation and Management System
| Others |
| PEMS | Protected Environment Management System
| Others |
| PEMS | Providing Early Multiples Support
| Others |
| PEMS | Puerto Escondido Marine Service
| Others |
| PEMS | Pump Electronic Monitoring System
| Others |