  | Automotive Parts | All related parts including vehicle parts, oils, lubricants, batteries, sweeper brushes, brooms, and tires. |
| | Construction | |
| | Consulting & Professional Services | Consulting and professional services including accounting, advertising, architecture, ground transportation, banking, custodial, construction, employee assistance, engineering, environmental, inspection, land surveying, real estate, financial, insurance, stormwater, telecommunication, etc. |
| | Disposal Services | Including curbside refuse collection, recycling, hazardous waste, recycling, shredding, and more. |
| | Equipment Services & Purchase | Including airfield lighting/signs/displays, construction, catch basins, culverts, cutting edges, generators, playground equipment, radio communications, security access control systems, sewer maintenance, streetlights, traffic signals, and more. |
| | Fuel Related | Including aviation fuel, fuel management systems, fuel pumps, gas, diesel, heating oil, and propane. |
| | Materials | Including but not limited to asphalt, brick pavers, crushed stone, fencing, gravel, metal castings, paint and supplies, sand, trees and plantings. |
| | Other | All other bids and proposals that do not fit within the existing categories. |
| | Supplies | Including bailing, chemicals, disposable paper products, electrical, lawn care, office, wastewater and sewer supplies and more. |
| | Vehicles | Including new cars, light/medium/heavy duty trucks, leases, police and fire vehicles, and street sweepers. |