Pay your Clarke Invoice Online

Powered by XPress-Pay, a secure and easy to use solution for paying any Clarke invoice online.

Scroll below for directions on paying your invoice and direct links to our payment site.

Please select the Clarke business activity that matches the company name on your invoice.

Clarke Environmental Mosquito Management (Services)

Mosquito control services for your home, business or community/district, including backyard mosquito treatments

Click to pay invoice.

Clarke Mosquito Control Products

Products or equipment purchased for mosquito control

Click to pay invoice.

How to Pay a Clarke Invoice Online

Clarke customers who receive an invoice from Clarke have the option to provide payment online via eCheck or credit card. To do so, locate your Clarke invoice and identify the following information:

The Clarke Company Name that has issued you this invoice
Your unique Customer Number
Your unique Invoice Number

Then, select the matching Clarke Company Name in the boxes below to navigate to the appropriate XPress-Pay landing page. Here, you’ll be prompted to enter your Customer and Invoice numbers to begin the online payment process.

W-9 Forms

To access a W-9 Form, please click on the W9 for the appropriate Clarke company you work with. You may save it as an electronic file or print the document.

If you need further assistance, please call Carrie Aitken at 630-671-3139.

W9 for Clarke Mosquito Control Products Division (PDF)

W9 for Clarke Environmental Mosquito Management Division (PDF)