Categories of companies in Hampstead
- Advertising - Agencies & Counsellors
- Apartments
- Associations, Clubs & Organizations
- Building Contractors
- Business Consultants
- Camps
- Cardboard
- Charitable Institutions
- Child Care & Day Care Services
- Churches - Baptist
- Churches - Christian & Missionary Alliance
- Computer Consultants
- Computer Software - Retail
- Contractors - General
- Electrical Contractors
- Employment Agencies
- Fruit & Vegetable Juices
- Government Offices - City, Village & Township
- Government Offices - Provincial
- Graphic Designers
- Home Inspection Services
- Hospital Equipment & Supplies - Wholesalers &/or Manufacturers
- Jewellers - Retail
- Lawyers
- Light Bulbs & Tubes - Wholesalers &/or Manufacturers
- Maid & Housekeeping Services
- Management Consultants
- Printers
- Psychoanalysts
- Public Relations Consultants
- Publishers - Book
- Real Estate Agencies & Brokers
- Real Estate Developers
- Real Estate Management
- Religious Organizations
- Safety Consultants & Training
- Schools - Dramatic Art & Speech
- Schools - Nursery & Kindergarten - Academic
- Senior Citizens Centres
- Shoe Findings & Supplies
- Signs
- Sportswear - Wholesalers &/or Manufacturers
- Synagogues
- Telecommunications Consultants
- Trademark Agents & Consultants
- Trailers - Truck
- Translators & Interpreters
- Wedding Supplies & Services
- Wiping Cloths