- Educational Consultants
- Electric Companies
- Electric Motors
- Electric Shavers
- Electricians
- Electronic Parts
- Electronics Stores
- Elementary and High Schools
- Elevators
- Embossing
- Emission Testing
- Employee Benefit Plans
- Employment Agencies
- Employment Lawyers
- Employment Training Service
- Engine Repair
- Engineering Service
- Engineers
- Engines
- Entertainment Bureaus
- Environmental Consultants
- Ergonomics
- Erosion Control
- Estate Lawyers
- Estate Planning
- Estheticians
- Event Planners
- Excavation Contractors
- Exchanges
- Eye Care
- Eyeglasses