| 8559 | Other unclassified education |
| 1811 | Printing |
| 1812 | Printing related services |
| 2592 | Mechanical processing; plating and metal treatment |
| 2599 | Manufacture of products from other uncategorized prefabricated metals |
| 2620 | Manufacture of computers and computer peripherals |
| 2817 | Manufacture of office machines and equipment (except computers and peripherals) |
| 3312 | Repair of machinery and equipment |
| 3313 | Repair of electronics and optics |
| 3314 | Repair of electrical equipment |
| 3320 | Installation of industrial machinery and equipment |
| 4101 | Xay dung de o |
| 4299 | Grinding and grinding other products |
| 4322 | Installation of water supply and drainage, heating and air conditioning systems |
| 4330 | Completion of construction works |
| 4543 | Board of Directors and Board of Directors of the sewing car |
| 4641 | Ban buon vai hang may san giay dep |
| 4649 | Board of buon do dung khac for the family |
| 4651 | The Department of Sophisticated Garment Design is outside the scope of implementation |
| 4652 | Ban buon thiet bi va Linh kien dien tu vien thong |
| 4653 | Ban buon may moc thiet bi va phu tung may nong nghiep |
| 4659 | Ban buon may moc thiet bi va phu tung may khac |
| 4663 | Board of buon vat lieu thiet bi lap dat khac in milling capacity |
| 4741 | Retail of computers, peripherals, software and telecommunications equipment in specialized stores |
| 4742 | Retail of audio-visual equipment in specialized stores |
| 4752 | Retail of hardware, paint, glass and other installation equipment in construction in specialized stores |
| 4759 | Retail of furniture, lights and electric light sets, other household appliances (except electrical appliances) in specialized stores |
| 4761 | Retail of books, newspapers and stationery in specialized stores |
| 4762 | Retail of music and image tapes in specialized stores |
| 4771 | Retail of clothing in specialized stores |
| 4773 | Retail of medicines, medical instruments, cosmetics and hygiene items in specialized stores |
| 5510 | Hotels and similar lodging facilities |
| 5610 | Restaurants and mobile catering services |
| 5820 | Software Publishing |
| 6201 | Computer programming |
| 6209 | Information technology services and other services related to computers |
| 6311 | Data processing, leasing and related activities |
| 6312 | Portal |
| 6920 | Accounting, auditing and tax consulting activities |
| 7020 | Management consulting activities |
| 7120 | Technical testing and analysis |
| 7310 | Advertisement |
| 7320 | Market research and public opinion polls |
| 7721 | Leasing and financial leasing of recreational and sports equipment |
| 7722 | Renting videotapes and discs |
| 7729 | Leasing and financial leasing of other personal and family items |
| 7730 | Leasing and financial leasing of machinery, equipment and other tangible objects |
| 7820 | Temporary labor sublease activities |
| 8110 | General Support Services |
| 8121 | Cleaning of houses and structures |
| 8129 | Industrial cleaning activities and other works |
| 8219 | Copy services, document preparation and other special office services |
| 8230 | Organization of trade introduction and promotion |
| 8299 | Other unclassified business support activities |
| 8532 | Upper secondary education |
| 8560 | Educational support services |
| 9511 | Repair of computers and peripherals |
| 9512 | Repair of communication equipment |
| 9521 | Repair of household appliances and appliances |
| 9522 | Repair of household appliances and appliances |