Contact Us
Customer Service:
Phone: 800-322-5555
Fax: 916-636-5101
Email: customerservice@gso.com
Sales:
Phone: 800-322-5555
Email: sales@gso.com
Billing:
Phone: 800-322-5555
Fax: 510-521-1402
Email: billing@gso.com
Corporate Address:
Golden State Overnight
1201 Marina Village Parkway
Suite 300
Alameda, CA 94501