Your Trusted Safety and Compliance Partner

At Lyle Signs, we are committed to leading the industry in quality, lead time, and service. With over 80 dedicated employees and state-of-the-art equipment, we ensure your signs are fabricated accurately and swiftly, enhancing safety and compliance nationwide.

100-Year Legacy

With a century of experience, we've established ourselves as industry leaders, driven by the trust and support of our valued clientele.

Trusted Company

Your trusted partner, committed to delivering quality, integrity, and reliability while respecting your privacy at all costs.


Consistently recognized with the prestigious 3M Quality Award, affirming our relentless pursuit of excellence and commitment to superior quality.

Round-the-Clock Support

A team of over 80 dedicated professionals committed to fulfilling your signage requirements with precision and excellence.

Collaborate with Us in Crafting Excellence. Contact Now
Industry Leadership and Expertise

Lyle Signs has been a trusted name in the signage industry for over 100 years. Our experience and dedication have positioned us as leaders in the field. Our seasoned sales and support team, with an average tenure of over 10 years, understands state and local specifications and manages diverse requirements daily.

Advanced Fabrication and Custom Solutions

Sign fabrication at Lyle Signs involves managing numerous variables to meet your diverse needs. We stock coiled metal in multiple gauges and a variety of reflective materials. Our custom fabrication team is ready to handle nonstandard sign requirements, ensuring flexibility and precision. Employees are cross-trained in the factory to meet peak demands and provide necessary backup. Our stocking programs address regular shipment requirements, a key factor in our consistent recognition with the 3M Quality Award.

Safety and Standards

Safety is everybody's business, and at Lyle Signs, we take it seriously. We actively participate in the ASTM Standards Committee and the Northland ATSSA chapter. Our close relationship with 3M allows us to be a testing ground for reflective product enhancements, keeping us at the forefront of innovation in signage.

Nationwide Service

For nearly a century, Lyle Signs has shipped regulatory signs nationwide, with our products visible on streets in every state. We continually enhance our offerings, including online ordering, web catalogs, custom sign design, order tracking, EDI programs, and specialized street sign programs, to meet your specific needs.

Our Commitment to Privacy

Lyle Signs prioritizes your privacy. We never share, sell, or trade customer information and do not participate in cooperative databases. All customer data, including financial details, is stored securely offline, ensuring your privacy is always protected.

Think Safety. Think Lyle Signs!

For further information on our products, please email or contact us through our web page. We are here to help you enhance safety with top-quality signage solutions.

Learn more about our History


302 1st Industrial Ave SE
De Smet, SD 57231