| Business Office Products & Related Items |
| NACM International Group |
| National Architectural Door & Hardware Manufacturers |
| National Architectural Metal &
Glass Extruders |
| National Arms Manufacturers |
| National Auto Glass |
| National Battery Components & Zinc Suppliers |
| National Ceramic Tile & Related Products |
| National Construction |
| National Custom Sheet Extruders |
| National Electrical Manufacturers |
| National Electronic Wire, Cable, Connector & Terminal Products |
| National Energy, Power & Utilities Credit Group |
| National Fine Paper Manufacturers |
| National Material Handling Equipment Manufacturers. |
| National Metal Importers |
| National Optical & Sunglass Credit & Collection Managers |
| National Petroleum Equipment Manufacturers |
| National Primary Copper & Aluminum Trade |
| North American Paper-Plastics Industry |