California Overnight provides regional overnight package delivery services within California, Arizona and Nevada. Founded in 1992, as a division of Express Messenger Systems, it is located in Sacramento, Calif. It supplies manifests, waybills, labels, software and information guides free of charge to all customers. It has more than 900 drop boxes throughout the service area and also offers online shipping and tracking services. It offers a variety of shipping services to fulfill regional shipping needs. It also accommodates special requirements, such as signature and a higher declared value than $100. It refunds and cancels shipping charges in the event of a service failure.