Tax Exempt?

Custom Service Hardware now enables and supports online tax-exempt buyers. If you would like to take advantage of your status as a tax-exempt customer, please download and fill out one of the following forms. You may then return the completed form to Please allow 1 business day for processing. Please note that orders fulfilled prior to the processing of the application will not automatically be tax exempt, but a credit may be issued for tax-exempt customers who have begun the process. Please call 800-882-0009 if you have any questions.

Custom Service Hardware is required to collect sales tax for the following states: CA, CO, GA, IA, IL, IN, KY, LA, MD, MI, MN, NC, NJ, OH, OK, PA, SC, UT, WA, &WI.

  • Email to:
  • Fax to: (262) 375-7970
  • Mail to: Custom Service Hardware, 1170 N Wauwatosa Rd, Cedarburg, WI 53012