| NHC | HealthCare Charleston 
| Others |
| NHC | HealthCare Chattanooga
| Others |
| NHC | HealthCare Clinton
| Others |
| NHC | HealthCare Columbia
| Others |
| NHC | HealthCare Cookeville
| Others |
| NHC | N Heterocyclic Carbene
| Others |
| NHC | Namtrac Highway Coach
| Others |
| NHC | National Haji Committee
| Others |
| NHC | National Hamster Council
| Others |
| NHC | National Handicapping Championship
| Others |
| NHC | National Havurah Committee
| Others |
| NHC | National Health Corps
| Others |
| NHC | National Health Council
| Others |
| NHC | National Hearing Center
| Others |
| NHC | National HIV Curriculum
| Others |
| NHC | National Homebrew Competition
| Others |
| NHC | National Homebrewers Conference
| Others |
| NHC | National Horseplayers Championship
| Others |
| NHC | National House of Chiefs
| Others |
| NHC | National Housing Conference
| Others |
| NHC | National Housing Corporation
| Others |
| NHC | National Humanities Center
| Others |
| NHC | National Huricane Center
| Others |
| NHC | National Hurricane Center
| Others |
| NHC | National Hyperbaric Centre
| Others |
| NHC | Native Hybrid Cloud
| Others |
| NHC | Natl Hurricane Ctr
| Others |
| NHC | Natural Health Counselor
| Others |
| NHC | Natural Healthy Concepts
| Others |
| NHC | Natural Horse Care
| Others |
| NHC | Naval Historical Center
| Others |
| NHC | Nearly A Haskell Compiler
| Others |
| NHC | Never Herd Cats
| Others |
| NHC | New Habitat Conditions
| Others |
| NHC | New Hanover County
| Others |
| NHC | New Honda Circle
| Others |
| NHC | New Hope Corporation
| Others |
| NHC | Next Hop Client
| Others |
| NHC | Nieuwe Haven Commissie
| Others |
| NHC | Nigeria Highway Code
| Others |
| NHC | Nissan Heritage Collection
| Others |
| NHC | No Handle Condition
| Others |
| NHC | No Hidden Columns
| Others |
| NHC | Node Health Check
| Others |
| NHC | Non HDL Cholesterol
| Others |
| NHC | North Hertfordshire College
| Others |
| NHC | Northern Housing Consortium
| Others |
| NHC | Northwest Hockey Conference
| Others |
| NHC | Notebook Hardware Control
| Others |
| NHC | Nursing Home Certifiable
| Others |
| NHC | Nutrient Holding Capacity
| Others |