Do you have an Open Account with K-Line Industries? Would you like to quickly, securely and easily pay your K-Line Invoices by Credit Card or Paypal Online? Then click here for our new online bill payment form. You don't need to log in to our site - simply enter the Invoice Number(s) you'd like to pay, and the amount. If you do have or if you create an online account profile - your address and customer number information will be filled in automatically. Follow our step-by-step instructions for checkout and save yourself some time writing checks. Thanks!