what is one stop mailing

One Stop Mailing LLC, doing business as OSM Worldwide, is a company that offers shipping parcels, business mail, publications, and advertising mail to domestic and international addresses. They provide shipping services that are designed to deliver customers packages quickly, reliably, and at reduced shipping rates. OSM Worldwide partners with USPS for routing that boosts USPS delivery times and reliability and lowers rates. They offer domestic delivery six days a week, with no surcharge for Saturdays, and deliver 98 percent of packages in 2–5 business days. OSM Worldwide was founded as One Stop Mailing in 2003 by Gaston Curk and James Kelley, and during its early years, it was a shipping broker offering a full suite of USPS products to major associations and universities across the country.