Invoice Submission Instructions

Thank you for being a valued supplier. To help streamline the the payment process, please reference the below regarding invoice submission:

  • Please submit invoices to:
  • Invoices must be in PDF format
  • Invoices must include:
    • A 6-digit Ironclad Environmental PO number
    • The invoice date, invoice number and amount
    • The remit to address. Please reference the Ironclad delivery address

Vendor Setup Instructions

To ensure a smooth transition and timely invoice processing please provide the following documentation to:

  • An up-to-date W9
  • The remit to address if the mailing address is different from the W9.
  • Payment preference (ACH or check)

If ACH payment is preferred, please include a copy of a canceled check or an up-to-date, signed bank letter, confirming payment instructions.

Note that ACH payments are verbally confirmed by our AP department. Please provide a phone number for bank account verification

Please direct any questions to:


Thank you,

AP Department