| Acronym | Definition |
|---|
| HLSC➣Hewlett-Lawrence Soccer Club (New York) |
| HLSC➣HealthLogic Systems Corporation (Tucker, GA) |
| HLSC➣Healthy Living Supper Club (Oxford, UK) |
| HLSC➣High Level Steering Committee |
| HLSC➣High-Level Scientific Conference (EU) |
| HLSC➣High Level Service Circuit |
| HLSC➣Human Life Cycle Safe Concentration (toxic contaminant level) |
| HLSC➣Helicopter Logistics Support Center |
| HLSC➣Home Loan Servicing Corporation |