Welcome to DENNIS! Based in Portland, Oregon, USA, we’ve been designing uniforms and uniform programs for nearly a century. We’re proud to partner with schools and families as they work to bring their educational vision to life.

Learn more about our company

Questions? Need help? Contact National Customer Service!

Phone: 800.854.6951   |   Click here for hours

About our Early Bird Promotion

June 18th – 25th: 15% off all purchases online and in stores + FREE SHIPPING on orders over $25!*



*Promotions may not apply for select DENNIS customers who already receive everyday low pricing on items in their school uniform program. Offer valid June 18th – 25th, 2019 only.  Free Shipping calculated on order subtotals over $25 (tax and shipping not included). Marked down items excluded. Cannot be combined with other offers. Online sale activation begins at 4:30 am (Pacific Time) on the first day of the sale.


Need help? National Customer Service will be open Saturday, June 22nd from 8am–2pm Pacific Time, in addition to our regular hours of operation: M-F 8am - 5pm Pacific Time. Call: (800) 854-6951 or send us an email!