| 83142 | Development of software | |
| 91123 | Development of water supply regulations | |
| 83221 | Development programs, urban, assessment of | |
| 83221 | Development programs, urban, environmental impact studies of | |
| 91137 | Development projects, multi-purpose, administrative services related to | |
| 91137 | Development projects, multi-purpose, support services related to the administration of | |
| 83113 | Development, human resource, consulting services concerning | |
| 83129 | Development, industrial, consulting services concerning | |
| 83129 | Development, regional, consulting services concerning | |
| 83129 | Development, tourism, consulting services concerning | |
| 83221 | Development, urban, undertaking feasibility studies of | |
| 62374 | Devices, orthopaedic, mail order retail trade services of | |
| 62174 | Devices, orthopaedic, non-specialized store retail trade services of | |
| 62474 | Devices, orthopaedic, other non-store retail trade services of | |
| 62574 | Devices, orthopaedic, retail trade services of, on a fee or contract basis | |
| 62274 | Devices, orthopaedic, specialized store retail trade services of | |
| 61174 | Devices, orthopaedic, wholesale trade services of, except on a fee or contract basis | |
| 61274 | Devices, orthopaedic, wholesale trade services of, on a fee or contract basis | |
| 62374 | Devices, surgical, mail order retail trade services of | |
| 62174 | Devices, surgical, non-specialized store retail trade services of | |
| 62474 | Devices, surgical, other non-store retail trade services of | |
| 62574 | Devices, surgical, retail trade services of ,on a fee or contract basis | |
| 62274 | Devices, surgical, specialized store retail trade services of | |
| 61174 | Devices, surgical, wholesale trade services of, except on a fee or contract basis | |
| 61274 | Devices, surgical, wholesale trade services of, on a fee or contract basis | |
| 93123 | Diagnosis of dental diseases | |
| 93121 | Diagnosis of mental diseases of a general nature by doctors | |
| 93121 | Diagnosis of physical diseases of a general nature by doctors | |
| 93123 | Diagnostic services, dental | |
| 93122 | Dialysis treatment in out-patient clinics | |
| 54330 | Digging of conventional ditches | |
| 54330 | Digging of trenches | |
| 54341 | Digging of water wells | |
| 86921 | Digital data, preparation of | |
| 94110 | Dilution, treatment of sewage by | |
| 63210 | Dining cars, services of | |
| 63220 | Dining halls, university, services of | |
| 91210 | Diplomatic missions, administrative services related to the operation of | |
| 83690 | Direct advertising services | |
| 71320 | Disability insurance policies, underwriting of | |