Where is the gentex corporate office located? Gentex Corporation – Corporate Headquarters. 600 North Centennial Street. Zeeland, MI 49464. MAP. Phone: 616.772.1800. Fax: 616.772.7348.What is gentex working with end users? Gentex prides itself on working closely with our end users to ensure best-in-class products to meet their challenges. For more information about Gentex products, reach out to our customer service team.What is the gentex mission? The Gentex Mission Gentex celebrates over 75 years of innovation within the air industry - its successes in the past, impact on the present, and drive for the future.What is a gentex mirror? Gentex focuses on designing and manufacturing interior and exterior auto-dimming rearview mirrors and camera-based driver-assist systems for the automotive market. The company sells its products to OEM customers' sales through to Tier 1 suppliers such as Volkswagen, Toyota, and General Motors.