- Ear & Body Piercing, Orillia
- Eaves Troughs, Orillia
- Education, Orillia
- Education & Information Services, Orillia
- Educational Facilities, Orillia
- Educators, Orillia
- Electric Companies, Orillia
- Electric Motor Repair & Service, Orillia
- Electric Motors & Generators , Orillia
- Electrical Control Systems & Materials, Orillia
- Electrical Heating Systems, Orillia
- Electrical Supplies, Parts & Equipment, Orillia - Wholesale & Manufacturers
- Electricians, Orillia - Electrical Contractors
- Electronic Repair Shops , Orillia
- Electronics Repair & Maintenance , Orillia
- Electronics Stores, Orillia
- Elementary Schools, Orillia
- Elevator Contractors, Orillia
- Embroidery, Orillia
- Emergency Services, Orillia
- Emissions Testing, Orillia - Smog Check
- Employee Counseling Services, Orillia
- Employment Agencies, Orillia - Staffing Agencies
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- Employment Agencies General Labor, Orillia
- Employment Assistance, Orillia
- Employment Services, Orillia
- Engine & Motor Equipment & Supplies, Orillia
- Engine Rebuild, Repair & Exchange, Orillia
- Engineer & Architect Services, Orillia - Engineering & Architecture Service
- Engineering Consultants, Orillia - Consulting Engineers
- Entertainers & Entertainment Groups, Orillia
- Entertainment & Recreation, Orillia
- Entertainment Agencies & Bureaus, Orillia
- Entertainment Consultants, Orillia
- Entertainment Services, Orillia
- Environmental Engineers, Orillia
- Environmental Groups, Orillia
- Environmental Products, Orillia
- Environmental Services, Orillia
- Erosion Control, Orillia
- Ethnic Food Stores, Orillia
- Ethnic Goods & Products Stores, Orillia
- European Cuisine, Orillia
- Excavation Contractors, Orillia - Excavating - Excavator Companies
- Exercise Equipment Stores, Orillia - Fitness & Gym Equipment
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