LSO™ (Lone Star Overnight) is the leading regional parcel delivery company throughout the Southwest, headquartered in Austin, Texas. With over 28 years of reliable time definite delivery service, we provide a broad range of parcel delivery services with our own personalized Texas touch that you simply can’t get anywhere else. LSO has a network of 23 locations, over 700 dedicated men and women that deliver 30,000+ packages per day with a higher degree of reliability. Our Austin, TX based customer service team is passionate about getting your most important packages delivered on time, every time.