HfSi

AcronymDefinition
HfSiHafnium Silicide
HfSiHealthcare Fire Safety Instructors (California)
HfSiHoneywell Federal Systems, Inc. (formerly)
HfSiHigh Frequency Service Item
HfSiHealthcare Financial Strategies, Inc.
HfSiHogan Financial Systems, Inc.
HfSiHardman Financial Services, Inc.
HfSiHeart Failure Support Initiative
HfSiHawkeye Food Systems, Inc.
HfSiHawaii Family Support Institute
HfSiHigh Frequency Service Indicator
HfSiHealthy Fair-Skinned Infant
HfSiHouses For Sale In (UK realestate web portals)
HfSiHoly Family Service International (Houston, TX)