Abbreviations beginning with h

HFRRHigh-Frequency Reciprocating Rig (diesel fuel)
Academic & Science

HFRRHorticulture, Forestry and Recreation Resources (Kansas State University; Manhattan, KS)
Academic & Science

HFRRHydroFluoric acid Reprocessor Return system
Academic & Science » Electronics

HFRRHealth, Fitness, and Recreation Resources (George Mason University; Fairfax, VA)
Miscellaneous

HFRRHigh Frequency Reciprocating Rig
Miscellaneous » Automotive

HFRRHigh Frequency Reciprocating Rig
Miscellaneous » Unclassified

HFRRHigh Frequency Residue Replication
Miscellaneous » Unclassified

HFRRFHouston Firefighters Relief and Retirement Fund
Miscellaneous

HFRSHeated Fuel Return System (engineering)
Academic & Science

HFRSHigh Flux Radiography System
Academic & Science

HFRSHigh-Float, Rapid-Setting (emulsion)
Academic & Science

HFRSHospital Fears Rating Scale
Academic & Science

HFRSHelicopter Flight Rescue Systems (search and rescue)
Community

HFRSHouston Farm Riding School
Community » Schools

HFRSHampshire Fire and Rescue Service (UK)
Governmental

HFRSHelicopter Flight Rescue System
Governmental » Military

HFRSHospital Financial Reporting and Support
Governmental

HFRSHumberside Fire and Rescue Service (UK)
Governmental

HFRSHaemorrhagic fever with renal syndrome
Medical » Syndromes

HFRSHemorrhagic Fever Renal Syndrome
Medical » Syndromes