Design Engineering is celebrating 30 years as a leader in heat and sound control solutions for the automotive aftermarket. Founded in 1995 by Dale and Nancy Markley, DEI is known for innovation, superior design and a commitment to 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, the company said in a release. With a focus on state-of-the-art technology, DEI continues to pioneer solutions such as advanced heat shields and noise-damping materials, enhancing 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, president 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, motorcycle, powersports, RV and marine to industrial and home applications. Renowned for their premium-grade materials and inventive designs, DEI’s products are engineered to address problems such as reducing excessive engine heat and eliminating intrusive road noise, DEI said. These solutions ensure a quieter, safer and more enjoyable experience for users worldwide.
As a family-owned enterprise, DEI said it takes immense pride in cultivating strong, lasting relationships with its employees, customers and partners. By sourcing materials from local suppliers and supporting regional manufacturing jobs, DEI actively bolsters local economies.
To commemorate this significant milestone, DEI will host a series of celebratory events and initiatives throughout 2025, including exclusive promotions, product launches such as next-generation heat shields and advanced acoustic barriers, and a heartfelt celebration with employees and community members. The company said it 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.”
