  | 01 - Administrative, Financial, and Management Services | |
| | 02 - Agricultural Equipment and Related Products and Services | |
| | 03 - Arts, Crafts, Entertainment, Theatre | |
| | 04 - Automotive Products, Vehicles, and Services | |
| | 05 - Building Equipment, Supplies, and Services | |
| | 06 - Clothing, Textiles, Laundry Equipment, and Supplies | |
| | 07 - Communication Equipment and Services | |
| | 08 - Computers, Software, Supplies, and Services | |
| | 09 - Food, Equipment, and Related Services | |
| | 10 - Furnishings and Related Services | |
| | 11 - Furniture and Related Services | |
| | 12 - Hardware, Related Equipment, and Services | |
| | 13 - Highway Road Equipment, Materials, and Related Equipment | |
| | 14 - Janitorial and Cleaning Equipment, Supplies, and Services | |
| | 15 - Laboratory Equipment, Supplies, and Services | |
| | 16 - Maintenance and Repair of Equipment | |
| | 17 - Medical Equipment, Supplies, and Services | |
| | 18 - Miscellaneous Commodities and Services | |
| | 19 - Office Supplies, Related Items, and Services | |
| | 20 - Paper, Printing Equipment, and Related Products and Services | |
| | 21 - Personal Products, Equipment, and Services | |
| | 22 - Public Works, Park Equipment, and Construction Services | |
| | 23 - Rental and Leasing Services | |
| | 24 - Safety and Protection Equipment and Related Services | |
| | 25 - School and Library Equipment, Supplies, and Services | |
| | 26 - Sporting, Athletic, and other Outdoor Equipment and Services | |
| | 27 - Testing and Sampling Equipment and Services | |
| | 28 - The Trades: Electrical, Engineering, HVAC, Plumbing, and Welding | |
| | 29 - Transit Equipment and Related Services, Mass | |
| | 30 - Water and Sewer Treatment Equipment, Supplies, and Services | |
| | Community Redevelopment Agency (CRA) | |
| | Procurement Services | |
| | Public Utilities | |
| | Public Works | |
