Tegrant Corporation Hayward, CA Contact Information 3466 Enterprise Ave , Hayward, CA, California 94545 (510) 785-0220 https://www.sonoco.com/na/products-se... Location Get Directions By car By public transit Walking Bicycling HoursMonday to Friday 8:00 am - 4:00 pm Plastic #6 Plastic - Expanded 1 2 3 4 50.000 Does this listing contain inaccurate information? If so please send us a correction. Your name Your email Subject Please describe what corrections need to be made to the listing.