All GTI invoices are emailed directly to you and the email contains a link to pay that particular invoice online. However, if you have a paypal account or wish to pay with an American Express card, you can pay your bill here . Just click on the "Pay Now" button below and use a Credit Card or a Business or Personal PayPal account to make your payment.
Type in the invoice # or statement date of the bill you want to pay below.
Type in your company name
Click "Pay Now"
Type in the amount you wish to pay and click the "Update" link
If you wish to pay by credit card, click "Don't have a PayPal account?" on the bottom right of the page.
Fill out payment info and submit.