| 151 | Offset Paper Master | Company Product |
| 152 | Offset Plate Making | Company Product |
| 153 | Offset Printing | Company Product |
| 154 | Offset Printing Machines | Company Product |
| 155 | Offset Screwdriver | Company Product |
| 156 | Offset, Photo Engraving Colour Separation | Company Product |
| 157 | Offshore Air-Conditioning | Company Product |
| 158 | Offshore Applications | Company Product |
| 159 | Offshore Banks | Company Product |
| 160 | Offshore Cable Chain | Company Product |
| 161 | Offshore Cables | Company Product |
| 162 | Offshore Cranes | Company Product |
| 163 | Offshore Equipment | Company Product |
| 164 | Offshore Equipment & Supplies | Company Product |
| 165 | Offshore Instrument Cables | Company Product |
| 166 | Offshore Power Cables | Company Product |
| 167 | Offshore Refrigeration Repair | Company Product |
| 168 | Offshore Refrigeration Servicing | Company Product |
| 169 | Offshore Rubber Products | Company Product |
| 170 | Ohm Meters | Company Product |
| 171 | Ohmmeters | Company Product |
| 172 | Oil | Company Product |
| 173 | Oil & Gas Well Casings | Company Product |
| 174 | Oil & Gas Well Screens | Company Product |
| 175 | Oil / Chemical Resistance | Company Product |
| 176 | Oil Absorbers | Company Product |
| 177 | Oil Additives | Company Product |
| 178 | Oil Automatic Lubrication System | Company Product |
| 179 | Oil Automatic Lubrication Systems | Company Product |
| 180 | Oil Ball Valves | Company Product |