| Abbreviation | Definition |
|---|---|
| NBBPVI | National Board of Boiler and Pressure Vessel Inspectors |
| NBCU | National Bureau of Casualty Underwriters |
| NBFE | National Board of Fitness Examiners |
| NBGQA | National Building Granite Quarries Association |
| NBMDA | National Building Materials Distribution Association |
| NBR | Need Based Recruitment |
| NBRA | National Bar and Restaurant Association |
| NBRA | National Basketball Referees Association |
| NCA | National Cattlemen's Association |
| NCA | National Confectioners' Association |
| NCA | National Constructors Association |
| NCAE | National Council of Agricultural Employers |
| NCAE | North Carolina Association of Educators |
| NCAGE | National Coalition Against Gambling Expansion |
| NCARB | National Council of Architectural Registration Boards |
| NCBA | National Cattlemen's Beef Association |
| NCC | National Chicken Council |
| NCC | North Central Communications |
| NCC | North Central Communications is a Dallas-Fort Worth IT consulting and telecommunications company providing services to all of North Central Texas. Website is www.nccdata.com |
| NCCLS | National Committee for Clinical Laboratory Standards |