Supplier Portal

1) Invoices

Invoices without a purchase order number, are unable to be processed. Please ensure you obtain a PO when the order is placed.

Invoices must be sent directly to our accounting department.

Send Electronically to:


Accounts Payable
PO Box 60662
Midland TX 79711

2) Terms and Conditions

Please review our Terms and Conditions.

3) EHS Policies

Suppliers providing a service must read and acknowledge our Environmental, Health and Safety Policy Handbook.

EHS Policy Handbook

4) Proof of Insurance

Suppliers providing a service must also send proof of the following insurance requirements to our compliance department at

Sample Certificate – Truck Rental
Sample Certificate – All Equipment Except Trucks
Sample Certificate – Vendors