• Assessor
  • Assessment Roll
• Comptroller
• Environmental Control
  • Animal Shelter
  • Compost Facility
  • Hauppauge Landfill
  • Recycling Facility
  • Bay Bottom Lease Program
• Long Island MacArthur Airport
• Municipal Parking Program
• Office of the Supervisor
  • Constituent Services
  • Information Technology
  • Labor Relations
  • Communications and Media Relations
  • Islip Environmental Council
  • Purchasing
  • Youth Bureau
• Parks, Recreation and Cultural Affairs
  • Disabled Parking Permits
  • Parks
• Planning and Development
  • Planning Division
  • Building Division - Permits Section
  • Building Division - Records Section
  • Economic Development Agency
  • Engineering Division
  • Zoning Board of Appeals

• Public Safety Enforcement
  • Traffic Violations
  • Emergency Management
  • Fire Prevention
• Public Works (DPW)
• Receiver of Taxes
• Senior Citizens Services
• Town Attorney
• Town Clerk
• Town Council
• Other Agencies
  • Islip Town Fire Museum
  • Foreign Trade Zone
  • Housing Authority
  • Resource Recovery Agency
  • Industrial Development
  • Community Development Agency
  • Long Island MacArthur Airport