GSO offers guaranteed overnight small parcel delivery throughout through CA, AZ and Nevada. Over 50,000 Golden State Overnight customers enjoy significant advantages over firms still using nationwide carriers for statewide deliveries. Customized late pickup schedules, point-of delivery procedures, technology integration and integrated customer service partnerships separate us from other carriers. GSO offers our delivery services with over 1,500 employee drivers, electronic billing and reporting, web-based shipping and tracking systems and digital signature capture. Contact us to learn how GSO can reduce your costs, improve your service and help your company to gain market share in the western states.