Corix Suppliers

EFT Icon InvoiceSubmitting Invoices for Payment

If you're a US or Canadian based Corix supplier, supplying goods or services to one of our Corix locations*, please follow this process.

  1. 1. Prepare your Invoice
    • Invoices must be in pdf file format, and typed not handwritten
    • A PO Number must be included
    • When emailing multiple invoices, each invoice must be submitted as a separate pdf file
  2. 2. Email your Invoice
  3. 3. Request Electronic Payment
    • We’re pleased to offer electronic Automated Clearing House/Electronic Funds Transfer (ACH/EFT) as our preferred payment option.

This excludes Corix Utilities Oklahoma Inc. For these invoices, please continue with your current process.

EFT Icon TransferTransitioning to Electronic Payments

We're pleased to offer electronic ACH/EFT (Automated Clearing House/Electronic Funds Transfer) as our preferred payment option. We're requesting you transition from check payment to electronic payment at this time.

Payment by ACH/EFT offers these advantages

  • Reduces your costs associated with paper and check handling
  • Eliminates the possibility of stolen or lost checks
  • Provides certainty of delivery
  • Supports environmentally friendly business transactions

How to Enroll

Simply complete the appropriate Payment Enrollment Form and email to

EFT Icon PDF Form EFT Icon PDF Form
US Suppliers Canadian Suppliers

Over the next few months, we'll continue to enhance our supplier capabilities, including the launch of a new Supplier Portal. Details will be posted here at that time.

For any questions or assistance, please contact

Purchase Terms & Conditions

US Purchase Terms & Conditions

Canadian Purchase Terms & Conditions