TANCO routinely purchases a variety of materials, equipment, and services for use in our field operations, fabrication facility, and administrative offices. Our objective is to build both efficient and effective procurement relationships with each and every vendor. This element is essential for TANCO to meet the demands of our customers.

Current Vendors:

To ensure prompt processing, approval, and payment of your invoice, please email a scanned PDF copy directly to our accounts payable department at You may also fax it to us at 970-624-6006, however email is preferred. INVOICES MUST REFERENCE OUR PURCHASE ORDER NUMBER. NOTE: if you submit an invoice to us via email or fax, please DO NOT send a printed copy.

Please contact our accounts payable department directly at 970-776-4200 or at should you have questions about our invoice policies and procedures.

Prospective Vendors:

Purchasing activities are conducted at our corporate office by our project managers and shop foreman. If your company is interested in becoming a supplier for TANCO, you may contact one of our purchasing managers at 970-776-4200 or email us information about your products or services at

TANCO is required by the IRS to have a current Form W-9/Taxpayer Identification Number Information on file for every vendor with which it purchases goods or services.  You may obtain this form and instructions for completing it on the IRS website at