| Abbreviation | Definition |
|---|---|
| NACL | National Aluminium Company Limited |
| NACMA | Nicholas Applegate Capital Management Asia |
| NACR | North American Commercial Restructuring |
| NACS | National Association Credit Services |
| NAD | National Animated And Design |
| NAD | North American Division |
| NADA | New Art Dealers Alliance |
| NADC | Native American Development Corporation |
| NADC | North American Dismantling Corp |
| NADL | North Atlantic Drilling Ltd |
| NAEM | North American Emerald Mine |
| NAF | North American Fiberglass |
| NAFA | Native American Fund Advisors |
| NAFA | North American Fur Auctions |
| NAFED | National Agricultural Co-operative Marketing Federation of India Limited |
| NAG | New Age Gaming |
| NAHCO | Nigerian Aviation Handling Company |
| NAHI | North American Hydraulics Inc |
| NAI | Nasty Agency Inc |
| NAI | National Associates Inc |