Golden State Overnight is California's own priority overnight delivery service. Our company was founded in 1995 with a simple notion: California companies should not have to pay high national delivery rates for in-state shipments.

Golden State Overnight customers enjoy significant advantages over firms still using nationwide carriers for statewide deliveries: later pickups, earlier deliveries, proactive tracking, unsurpassed customer service, and large savings over national carriers.

GSO provides guaranteed priority overnight delivery to every address in California. We have also expanded our service to the Reno, Las Vegas, Phoenix and Tucson metropolitan areas of Nevada and Arizona.