- Education, North Hampton
- Education & Information Services, North Hampton
- Educational, Philanthropic & Research Foundations, North Hampton
- Educators, North Hampton
- Electrical Control Systems & Materials, North Hampton
- Electrical Engineer, North Hampton
- Electrical Heating Systems, North Hampton
- Electrical Supplies, Parts & Equipment, North Hampton - Wholesale & Manufacturers
- Electricians, North Hampton - Electrical Contractors
- Electronic, Communications & Electrical Engineers, North Hampton
- Electronics Stores, North Hampton
- Elevator & Escalators Sales, Repair & Service, North Hampton
- Elevator Engineers, North Hampton
- Elevator Repair, North Hampton
- Employment Agencies, North Hampton - Staffing Agencies
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- Employment Agencies General Labor, North Hampton
- Employment Assistance, North Hampton
- Engine & Motor Equipment & Supplies, North Hampton
- Engine Rebuild, Repair & Exchange, North Hampton
- Engineer & Architect Services, North Hampton - Engineering & Architecture Service
- Engineering Consultants, North Hampton - Consulting Engineers
- Engineers - Water & Piping, North Hampton - Water Supplies
- Entertainment & Recreation, North Hampton
- Environmental Conservation & Ecological Services, North Hampton - Ecosystem Services
- Environmental Products, North Hampton
- Environmental Services, North Hampton
- Expeditions Arranged & Outfitted, North Hampton
- Export Management Consultants, North Hampton
- Export Services, North Hampton
- Exporters, North Hampton
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