GSA Federal Acquisition Service
For general questions, contact:
FAS National Customer Service Ctr
Phone: 1-800-488-3111

Express & Ground Domestic Delivery Services Click here to learn more…
MAS Multiple Award Schedule - Available offerings include commercial goods and services organized by 12 Large Categories, corresponding Subcategories, and SINs.

MAS Category list:

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Transportation and Logistics Services - Package Delivery
Category Description
492110 Package Delivery and Freight Trucking - 492110 includes domestic delivery for letters, parcels, etc. as well as freight transportation services.
492210SB Local Courier Delivery Services (SBSA) - Includes domestic delivery services (e.g. local, air, bicycle, boat, or truck) for letters, parcels, etc.

NOTE: Small Business Set Aside (SBSA)