100 - General Building Maintenance,Works and Related Services
200 - Real Estate Services
300 - Information Services and Information Technology Services
400 - Vehicle Sales, Maintenance and Services
500 - Interior Design
600 - Cleaning and Hygiene Services
700 - Occupational Health, Safety and Environmental Services and Supplies
800 - Corporate Services
900 - Human Resources, Training and Development Services
1000 - Uniforms and Clothing
1100 - Cafeteria/Kitchen Equipment, Supplies and Services
1200 - Financial Services
1300 - Telecommunications/Electronic Services
1400 - Specialized Machinery, Equipment, Supplies and Services
1500 - Security & Related Safety Supplies & Services
1600 - Energy and Utilities
1700 - Other Goods and Services