Map to Office ☰ Quick Links × Quick Links E-Store Request Quote Request Sample Contact Technical Support Product Selection Wizard Calculate Number Of Devices/Carrier Gel-Pak Brochure Gel-Pak is headquartered in Hayward, California. This location allows for convenient access to three international airports (San Francisco, Oakland and San Jose).We welcome your visit. Directions From anywhere in the Bay area, find your way to Interstate 880 in Hayward. Exit at Whipple Road and drive east approximately one mile. Turn left at Huntwood Avenue and then turn immediately right into the Gel-Pak parking area. Gel-Pak's experienced technical support staff is available to answer your questions related to products or associated applications. Contact Us!