Established in 1920 in Portland, Oregon, 2020 marked a century of expertise for DENNIS Uniform. After 100 years, we’ve earned the title of uniform experts - we’re celebrating the milestone and keeping the title for the next hundred years.

As the largest school uniform provider in the nation, over 2,000 top schools rely on DENNIS to design top-quality school uniforms and deliver best-in-class uniform programs.

We manufacture responsibly - fabric sources matter! Whether a uniform is made at our Portland factory or sourced from a carefully selected and monitored partner, we use domestic fabrics whenever possible and ensure all partners meet the strictest standards of working conditions and fair labor practices. Manufacturing locally is a commitment we will always honor, supporting the local economy and controlling the quality of our garments.

Our foundation is our superior yarns - enduring every student’s active lifestyle, our uniforms are best in class and built to last. We consistently inspect and refine all our products, maintaining our high standards and exceeding our customer’s expectations.

Every DENNIS product is backed by our 100% guarantee for life against manufacturing defects and guaranteed to withstand an entire year’s worth of wear and tear. Our uniforms are the best in the industry - designed in-house and manufactured with over 100 years’ experience.

The best schools in the nation rely on DENNIS because we’re so much more than outfitters - we forge lasting partnerships that benefit administrations, communities and families.

Take the guesswork out of shopping and purchase the right uniform the first time! Our Sizing & Fit Hub is a helpful resource built by our uniform experts, featuring all the real tools customers need.

Our team of helpful customer service representatives know every school’s uniform program. Reach out to us any time with any question - we’re here to help.