Metrolinx iSupplier Portal Resources
The online invoicing portal for vendors doing business with Metrolinx.Contact Us
For any questions or inquiries regarding your iSupplier user account and profile, or for questions regarding submitting an invoice through the iSupplier portal, please email iSupplierSupport@metrolinx.com. For all other inquiries, please reach out to your relevant Metrolinx business unit point of contact.