| 62322 | Dairy products, mail order retail trade services of | |
| 62122 | Dairy products, non-specialized store retail trade services of | |
| 62422 | Dairy products, other non-store retail trade services of | |
| 62522 | Dairy products, retail trade services of, on a fee or contract basis | |
| 62222 | Dairy products, specialized store retail trade services of | |
| 61122 | Dairy products, wholesale trade services of, except on a fee or contract basis | |
| 61222 | Dairy products, wholesale trade services of, on a fee or contract basis | |
| 71620 | Damage assessment, insurance-related | |
| 54530 | Damp-proofing services | |
| 53233 | Dams | |
| 83569 | Dams, certification of | |
| 83392 | Dams, corrosion control programmes for | |
| 83342 | Dams, electrical engineering design services for the construction of | |
| 83332 | Dams, electrical installation appraisal of | |
| 83332 | Dams, engineering advisory and pre-design services for the construction of | |
| 54230 | Dams, general construction of | |
| 83392 | Dams, geotechnical engineering services for the construction of | |
| 83392 | Dams, ground water assessment for the construction of | |
| 83312 | Dams, integrated engineering services for the construction of | |
| 83342 | Dams, mechanical engineering design services for the construction of | |
| 83332 | Dams, mechanical installation appraisal of | |
| 83563 | Dams, mechanical testing and analysis of | |
| 83392 | Dams, other engineering services for the construction of | |
| 83322 | Dams, project management services concerning the construction of | |
| 83342 | Dams, specialty engineering design services for the construction of | |
| 83342 | Dams, structural engineering design services for the construction of | |
| 83392 | Dams, structural failure investigation of | |
| 83332 | Dams, structural installation appraisal of | |
| 83352 | Dams, technical inspection services during the construction of | |
| 83392 | Dams, undertaking contamination studies of | |
| 83332 | Dams, undertaking environmental impact studies of | |
| 83332 | Dams, undertaking project impact studies of | |
| 83332 | Dams, undertaking technical feasibility studies of | |
| 54129 | Dance halls, general construction of | |
| 96310 | Dancers, services of | |
| 85960 | Data capture services | |
| 85121 | Data entry operators, supplying of for work assignments | |
| 85960 | Data processing services | |
| 73124 | Data processors, electronic, rental or leasing of without operator | |
| 84300 | Data retrieval services, on-line | |