| HMMP | Habitat Mitigation and Monitoring Plan 
| Others |
| HMMP | Hapman Managed Maintenance Program
| Others |
| HMMP | Hazardous Material Maintenance Plan
| Others |
| HMMP | Hazardous Material Management plan
| Others |
| HMMP | Hazardous Material Management Process
| Others |
| HMMP | Hazardous Material Management Program
| Others |
| HMMP | Hazardous Materials Management Plan
| Others |
| HMMP | Hazardous Materials Management Plans
| Others |
| HMMP | Hazardous Materials Management Process
| Others |
| HMMP | Hazardous Materials Management Program
| Others |
| HMMP | Houston Medical Monitoring Project
| Others |
| HMMP | Houston Morbidity Monitoring Project
| Others |
| HMMP | Hydrologic Monitoring and Mitigation Plan
| Others |
| HMMP | Hyper Media Management Protocol
| Others |
| HMMP | HyperMedia Management Protocol
| Others |