Metrolinx iSupplier Portal Resources
The online invoicing portal for vendors doing business with Metrolinx.- Contact Us
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.