| 181 | Nickel Chloride | Company Product |
| 182 | Nickel Chrome Electroplating | Company Product |
| 183 | Nickel Electroplating | Company Product |
| 184 | Nickel Plated Brass Mini Ball Valves | Company Product |
| 185 | Nickel Plates | Company Product |
| 186 | Nickel Round Bars | Company Product |
| 187 | Nickel Steels | Company Product |
| 188 | Nickel Sulphate | Company Product |
| 189 | Nickel-Chromium Alloy | Company Product |
| 190 | Nickel-Chromium Alloys | Company Product |
| 191 | Nickel-Chromium-Iron Alloy | Company Product |
| 192 | Nickel-Chromium-Molybdenum Alloy | Company Product |
| 193 | Nickel-Copper Alloy | Company Product |
| 194 | Nickel-Iron-Chromium Alloy | Company Product |
| 195 | Nickel-Molybdenum Alloys | Company Product |
| 196 | Nickel-Molybdenum-Chromium Alloys | Company Product |
| 197 | Nickel-cadmium Batteries | Company Product |
| 198 | Nickel/Chrome on Aluminium Electroplating | Company Product |
| 199 | Nicotinic Acid | Company Product |
| 200 | Nigen Fingerprint Time Attendance | Company Product |
| 201 | Night Clubs | Company Product |
| 202 | Night Cream | Company Product |
| 203 | Night Viewing Devices | Company Product |
| 204 | Niles | Company Product |
| 205 | Nipper | Company Product |
| 206 | Nipple | Company Product |
| 207 | Nipple Fitting | Company Product |
| 208 | Nipples Hoses | Company Product |
| 209 | Nippon Crystalux Aluminium Wood Primer | Company Product |
| 210 | Nippon Steel | Company Product |