Accounts Payable

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Jo A O'Saben
Director, Payroll & Disbursements
Phone: 814-269-2403
Fax: 814-248-7600

Welcome to CTC’s Accounts Payable web page. Our goal is to provide our valued suppliers with timely and accurate payment. This site will provide you with important information that will allow us to achieve that goal, and to continue the efficient handling of your invoices.

General Information

  • Hours of Operation: 8:00 am to 5:00 pm EST, Monday through Friday
  • Phone Number: 814-269-2403
  • Fax Number: 814-248-7600
  • Invoices can be submitted via email at
  • If email is not an option, invoices should be mailed to: Concurrent Technologies Corporation, 100 CTC Drive, Johnstown, PA 15904, Attn: Accounts Payable

Invoicing Requirements

  • CTC purchase order number, and release number, if applicable
  • Your company name as written in the purchase order
  • Invoice number
  • Invoice date
  • Goods/Services “Ship To” address
  • Payment “Remit To” address
  • Purchase order line item number
  • Details of the goods or services provided
  • Cost of goods or services
  • Total amount due
Additional Information
  • Do not submit invoices with manual alterations.
  • One purchase order per invoice.
  • Pro forma invoices, quotes, and/or statements will not be accepted as a basis for processing payments.
  • Invoices returned to the vendor for correction must be resubmitted to include a revised invoice date.
  • Always ask for a Purchase Order. If your CTC Contact does not provide a Purchase Order, the CTC representative you worked with must be indicated on the invoice in order for the invoice to be approved and paid in a timely manner.
  • Under no circumstances should the supplier submit an invoice to CTC Accounts Payable for a purchase made via a credit card. Receipts for the purchase should be sent directly to the cardholder.


The standard method of invoice payment is via check. Standard payment terms are net 30 days from the date a valid invoice is received in the Accounts Payable Department, providing there are no discrepancies with the material provided/services performed.

The due date is calculated by using the date the invoice is received in Accounts Payable and the purchase order payment terms.

The payment date is the Wednesday closest to the due date.

Form W-9

CTC needs a Form W-9 (click here to obtain the form and instructions) for suppliers located in the U. S. in the following instances:

  • The supplier is new to CTC.
  • The supplier’s name or Tax ID changes.

How new vendors are to submit a W-9:

  • PO Purchase – submit to CTC buyer for proper processing.
  • Non-PO Purchase – submit W-9 with invoice.

How existing suppliers can submit changes in name or supplier information:

Frequently Asked Questions

How often are checks printed? CTC issues checks each Wednesday.

What should I do if I did not receive a check that was mailed? If payment has not been received within two weeks of being sent, contact A stop payment will be put on the check, and a new check re-issued.

Will I get a tax form 1099-MISC? CTC complies with all Internal Revenue Service regulations. If CTC has issued checks to you totaling $600 or more in a calendar year that qualify as reportable, you will receive a tax form 1099-MISC.

How can I check the payment status of an invoice? You can email your inquiry to Be sure to include your vendor name, purchase order number (if applicable), and invoice number.

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