Design Engineering Inc. Celebrates 30 Years of Innovation and Excellence in Heat and Sound Control
Avon Lake, OH — [Insert Date] — Design Engineering Inc. (DEI), a family-owned and woman-owned business, proudly marks its 30th anniversary as the industry leader in heat and sound control solutions for the automotive aftermarket. Founded in 1995 by Dale and Nancy Markley, DEI has become synonymous with cutting-edge innovation, exceptional product design, and an unwavering commitment to premium quality.
From its modest beginnings, DEI has flourished into a globally acclaimed brand celebrated for its dedication to crafting superior, American-made products that address complex heat and sound control challenges across diverse industries. With a steadfast focus on leveraging state-of-the-art technology to fuel groundbreaking innovation, DEI continues to lead the way in creating solutions that enhance performance, comfort, and durability.
“We’re incredibly proud to celebrate 30 years of serving our customers and partners with high-quality, innovative products,” said David Markley, Co-Founder and CEO. “This milestone is a testament to the relentless hard work and passion of our team, our commitment to pioneering innovation, and the enduring trust our customers place in us.”
Over the past three decades, DEI has expanded its comprehensive product portfolio to serve industries ranging from automotive and powersports to marine and industrial applications. Renowned for their premium-grade materials and inventive designs, DEI’s products are meticulously engineered to address problems—from reducing excessive engine heat to eliminating intrusive road noise—ensuring a quieter, safer, and more enjoyable experience for users across the globe.
As a family-owned enterprise, DEI takes immense pride in cultivating strong, lasting relationships with its employees, customers, and partners. Its roots in American manufacturing and its distinction as a woman-owned business underscore the company’s enduring dedication to supporting local economies and championing diversity in the industry.
To commemorate this significant milestone, DEI will host a series of celebratory events and initiatives throughout 2025, including exclusive promotions, innovative product launches, and a heartfelt celebration with employees and community members. The company warmly invites its loyal customers and industry partners to join in honoring this monumental occasion.
“Looking ahead, we’re thrilled to continue driving innovation and delivering the extraordinary solutions our customers have come to expect,” added Markley. “Our mission remains deeply rooted in advancing technology, championing American manufacturing, and creating products that truly make a difference.”