| Catagories | Records | | Catagories | Records |
| Ear Piercing Services | 14 | | Energy Conservation Consultants | 286 |
| Editorial & Proof Reading Services | 64 | | Energy Management Control Systems | 104 |
| Education Agencies & Authorities | 1236 | | Engine Component Mnfrs | 26 |
| Educational Equipment & Supplies | 372 | | Engine Mnfrs & Distributors | 67 |
| Educational Services | 397 | | Engine Rebuilding & Reconditioning | 535 |
| Educational Training Providers | 104 | | Engineering Machine Services | 158 |
| Egg Merchants | 372 | | Engineering Materials | 83 |
| Elastic Goods | 21 | | Engineering Services | 278 |
| Electric Motor Mnfrs | 46 | | Engineers - Consulting | 2823 |
| Electric Motor Sales & Service | 448 | | Engineers - General | 5504 |
| Electric Vehicles | 25 | | Engineers' Merchants | 519 |
| Electrical Appliance Repairs | 88 | | Engines - Sales & Service | 57 |
| Electrical Appliance Testing | 33 | | Engraving | 642 |
| Electrical Distribution Companies | 48 | | Entertainers | 1426 |
| Electrical Engineers | 1114 | | Entertainment Agencies | 1037 |
| Electrical Goods - Mnfrs & Wholesalers | 370 | | Entertainment Centres | 255 |
| Electrical Goods - Sales | 2430 | | Envelopes | 108 |
| Electrical Heating Equipment & Systems | 94 | | Environmental Consultants | 1071 |
| Electrical Testing & Inspecting | 181 | | Environmental Engineers | 35 |
| Electrical Wholesalers | 2655 | | Equestrian Supplies | 197 |
| Electricians & Electrical Contractors | 10778 | | Equipment Hire - Outdoor Pursuits | 18 |
| Electricity Companies | 183 | | Ergonomics | 16 |
| Electricity Generating & Distributing Equipment | 49 | | Essential Oil Merchants | 51 |
| Electrolysis | 147 | | Estate Agents | 12027 |
| Electronic Component Mnfrs & Distributors | 656 | | Examination Boards | 40 |
| Electronic Engineers | 943 | | Excavation & Groundwork Contractors | 727 |
| Electronic Equipment - Mnfrs & Assemblers | 706 | | Exhaust & Shock Absorber Centres | 400 |
| Electronic Equipment Components & Instruments | 1886 | | Exhaust System Mnfrs & Wholesalers | 98 |
| Embroiderers | 661 | | Exhibition & Trade Centres | 40 |
| Employment & Recruitment Agencies | 10409 | | Exhibition Services | 1032 |
| Employment Service | 77 | | Exhibition, Event & Trade Fair Organisers | 728 |
| Enamelling | 75 | | Explosives - Engineers | 28 |
| | | | Export & Import Agents | 3197 |
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