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Nassau County provides a new and comprehensive registration system for our suppliers. In doing so, we require certain pieces of key information. Please obtain the information listed below before starting the registration process:

  • Company Address Information
  • Organization Contact Information
  • Federal Employer Identification Number or Social Security Number
  • Service level option for automated and easy notifications What is service level? help
  • Username and password

For assistance with registration, please contact us at or 1-516-571-4200.

The registration is a multi-step process as follows:

  • View and Accept County Terms and Conditions
  • Enter Organization Information
  • Enter Remittance Contact Information
  • Enter Demographic Information
  • Assign Username and Select Level of Access
  • Review Confirmation
  • Login, Select Commodity Categories and Set Agency Requested Information

Important Notice: If you are an employee of Nassau County, please DO NOT register as a supplier with this system. If you have any further questions, please refer to the support contact information given above.

Click here to login