Other professional, scientific and technical activities Standard Industrial Classification (SIC) codes of UK-based importers and exporters 74100 - specialised design activities (64567) 74201 - Portrait photographic activities (5607) 74202 - Other specialist photography (12371) 74203 - Film processing (1876) 74209 - Photographic activities not elsewhere classified (9967) 74300 - Translation and interpretation activities (5379) 74901 - Environmental consulting activities (17460) 74902 - Quantity surveying activities (10775) 74909 - Other professional, scientific and technical activities n.e.c. (104956) 74990 - Non-trading company (53651)