| 92230 | Education services, technical secondary | |
| 92390 | Education services, university | |
| 92230 | Education services, vocational secondary | |
| 91121 | Education, administrative services related to | |
| 91121 | Education, public information services concerning | |
| 81210 | Education, research and experimental development concerning | |
| 95991 | Educational activities, support services related to | |
| 91121 | Educational institutions, administrative services related to | |
| 92900 | Educational services for adults not in the regular school system | |
| 92900 | Educational services for adults not in the regular university system | |
| 92900 | Educational services for professional sports instructors | |
| 86121 | Eggs, grading of | |
| 62322 | Eggs, mail order retail trade services of | |
| 62122 | Eggs, non-specialized store retail trade services of | |
| 62422 | Eggs, other non-store retail trade services of | |
| 62522 | Eggs, retail trade services of, on a fee or contract basis | |
| 62222 | Eggs, specialized store retail trade services of | |
| 61122 | Eggs, wholesale trade services of, except on a fee or contract basis | |
| 61222 | Eggs, wholesale trade services of, on a fee or contract basis | |
| 93311 | Elderly persons, care of, by residential institutions | |
| 91119 | Elections, administrative services related to | |
| 87152 | Electric generators, maintenance and repair of | |
| 87152 | Electric generators, rewinding of | |
| 54611 | Electric meters, installation of | |
| 69110 | Electric meters, maintenance of | |
| 69110 | Electric meters, reading of | |
| 87152 | Electric motors, maintenance and repair of | |
| 87152 | Electric motors, rewinding of | |
| 87152 | Electric transformers, maintenance and repair of | |
| 87152 | Electric transformers, rewinding of | |
| 86550 | Electrical apparatus n.e.c., installation of | |
| 83562 | Electrical conductivity testing and analysis of concrete | |
| 83562 | Electrical conductivity testing and analysis of glass | |
| 83562 | Electrical conductivity testing and analysis of metals | |
| 83562 | Electrical conductivity testing and analysis of other materials | |
| 83562 | Electrical conductivity testing and analysis of plastics | |
| 83562 | Electrical conductivity testing and analysis of textiles | |
| 83562 | Electrical conductivity testing and analysis of wood | |
| 87151 | Electrical cooking equipment, domestic, repair of | |
| 83343 | Electrical engineering design services for manufacturing constructions | |