Treatment of materials; recycling of waste and trash; air purification and treatment of water; printing services; food and drink preservation.
| # | Class | Product_Number | Name | Remark |
|---|---|---|---|---|
| 37144 | 040-Material Treatment Services | 040-40 | Edging of fabric | |
| 37145 | 040-Material Treatment Services | 040-4 | Fuel treatment services | |
| 37146 | 040-Material Treatment Services | 040-397 | Custom manufacture of general product lines in the field of steel pipe and tubing | |
| 37147 | 040-Material Treatment Services | 040-396 | Processing and finishing of glass | |
| 37148 | 040-Material Treatment Services | 040-395 | Bioremediation services | |
| 37149 | 040-Material Treatment Services | 040-394 | Jewelry chasing | |
| 37150 | 040-Material Treatment Services | 040-393 | Sculpting of figurines to the order and/or specification of others | |
| 37151 | 040-Material Treatment Services | 040-391 | Treatment of materials in the field of boat construction, namely, weatherproofing and wate | |
| 37152 | 040-Material Treatment Services | 040-390 | Chemical encapsulation and dispersion of hazardous chemicals | |
| 37153 | 040-Material Treatment Services | 040-39 | Edging of cloth | |
| 37154 | 040-Material Treatment Services | 040-389 | Fabric bleaching | |
| 37155 | 040-Material Treatment Services | 040-388 | Engraving of sealing stamps | |
| 37156 | 040-Material Treatment Services | 040-387 | Printing of stamps | |
| 37157 | 040-Material Treatment Services | 040-386 | Printing of patterns on textiles | |
| 37158 | 040-Material Treatment Services | 040-385 | Printing of books | |
| 37159 | 040-Material Treatment Services | 040-384 | Printing of advertising matter | |
| 37160 | 040-Material Treatment Services | 040-383 | Photogravure printing | |
| 37161 | 040-Material Treatment Services | 040-382 | Photographic processing | |
| 37162 | 040-Material Treatment Services | 040-381 | Photographic film development | |
| 37163 | 040-Material Treatment Services | 040-380 | Permanent-press treatment of fabrics |