| 181 | Waste Recycling Plants | Company Product |
| 182 | Waste Recycling Spare Parts | Company Product |
| 183 | Waste Reduction & Disposal | Company Product |
| 184 | Waste Reduction & Disposal Equipment | Company Product |
| 185 | Waste Water Aeration | Company Product |
| 186 | Waste Water Diffusers | Company Product |
| 187 | Waste Water Pumps | Company Product |
| 188 | Waste Water Systems | Company Product |
| 189 | Waste Water Treatment Equipment & Systems | Company Product |
| 190 | Waste Water Treatment Technology | Company Product |
| 191 | Waste Water Treatments | Company Product |
| 192 | Wastes | Company Product |
| 193 | Wastes & Stoppers | Company Product |
| 194 | Wastewater Pumps | Company Product |
| 195 | Wastewater Sensors | Company Product |
| 196 | Wastewater Treatment Applications | Company Product |
| 197 | Watanabe Products | Company Product |
| 198 | Watch Parts | Company Product |
| 199 | Watch Repair | Company Product |
| 200 | Watch Restoration | Company Product |
| 201 | Watches | Company Product |
| 202 | Watches Manufacturers & Wholesalers | Company Product |
| 203 | Watchman's Clock | Company Product |
| 204 | Watchman's Clocks | Company Product |
| 205 | Water | Company Product |
| 206 | Water Air Purifiers | Company Product |
| 207 | Water Analysers | Company Product |
| 208 | Water Analysis | Company Product |
| 209 | Water Analysis Instruments | Company Product |
| 210 | Water Analysis Reports | Company Product |