| HSSE | Hardware Software Systems Engineering 
| Others |
| HSSE | Hazardous Site Science Element
| Others |
| HSSE | Health Safety Security And Environment
| Others |
| HSSE | Health Safety Security And Environmental
| Others |
| HSSE | Health Safety Security and the Environment
| Others |
| HSSE | Health Safety Security Environment
| Others |
| HSSE | Health Safety Social And Environment
| Others |
| HSSE | Health Safety Social And Environmental
| Others |
| HSSE | Health Security Safety And Environment
| Others |
| HSSE | Health Security Safety The Environment
| Others |
| HSSE | Health, Safety, Security, and Environmental
| Others |
| HSSE | Heterosexuals for Same Sex Equality
| Others |
| HSSE | Hughes Sub Surface Engineering
| Others |
| HSSE | Human Side of Service Engeneering
| Others |
| HSSE | Humanities and Social Studies Education
| Others |
| HSSE | Humanities Social Science and Education
| Others |
| HSSE | Humanities Social Science Education
| Others |
| HSSE | Hyperplastic Stratified Squamous Epithelium
| Others |