Call National Utility Solutions, the predominant use study experts, for questions regarding the utility sales tax exemptions and refunds:

Contact National Utility SolutionsMain: 346-241-0100 ext. 3

Toll Free: 844-767-0037 ext. 3


Address: P.O. Box 6835, Kingwood, TX 77325

Our business hours are M-F- 8 a.m. – 6 p.m. (CST)

Our privacy policy outlines how we keep your information confidential.

Closed Saturdays, Sundays, and Holidays

Inquiries typically addressed within one business day.

Contact Form
* indicates required field

Acceptable file types: pdf,jpeg,png,jpg.
Maximum file size: 20mb.