Offering high-quality screenprinting, embroidering, promotional products and graphic designing, BYOG helps you advertise your team or business in a fun, creative way. Promoting the Bay Area since 1990, BYOG features such product lines as Nike, Adidas, Hanes, and Gildan Activewear. Cal Berkeley teams have used BYOG for many years. BYOG is located at Sierra Ct. off of Dublin Blvd.