The GSA Multiple Award Schedule (MAS) Program is comprised of 12 Large Categories to sell through, including the popular Information Technology, Professional Services, and Industrial Products and Services Large Categories. However, there are additional Large Categories that align with different industries and allow for the sale of more niche offerings. Did you know you can sell air charter services, delivery services, vehicles, boats, and shipping containers to federal buyers through GSA MAS? If your business specializes in these or similar services, then the Transportation and Logistics Services Large Category, or Large Category K, could be an opportunity for you to expand into the federal marketplace.
In this blog, we will discuss the potential supplies and services you can offer through the Transportation and Logistics Services Large Category and any special requirements you should consider prior to submitting your GSA MAS proposal under this Large Category.
GSA MAS Large Categories can be broken down into subcategories and then Special Item Numbers (SINs). SINs are unique to GSA MAS and represent the specific codes contractors can have awarded to sell different types of products and services. The Transportation and Logistics Services Large Category is organized by the following subcategories and SINs:
Subcategory: Motor Vehicles (non-combat)
Subcategory: Package Delivery
Subcategory: Packaging Services
Subcategory: Transportation of Things
More information regarding each SIN and SIN-specific requirements can be found within the Transportation and Logistics Services Large Category Attachment available on the System for Award Management (SAM) website, or SAM.gov; however, we’ll discuss a few SINs in the next section.
As mentioned, the Transportation and Logistics Services Large Category provides contractors with the opportunity to sell, rent, or lease different types of vehicles and provide maintenance, charter, or other related services to support government buyers’ transportation requirements. A non-exhaustive list of SINs with unique requirements under this Large Category include:
For most GSA MAS proposals, offerors will utilize either the FAS Catalog Platform (FCP) Product File or Services Plus File, which have replaced the Price Proposal Template (PPT), to propose the pricing structure and discounts for their offered products or services.
However, a few SINs still use SIN-specific PPTs due to their specialized requirements, with many of these SINs falling within the Transportation and Logistics Services Large Category. For example, the PPT for SIN 532112, which represents Leasing of Passenger Cars, SUVs, Vans, and Light Trucks, requires offerors of this SIN to propose details on their proposed vehicles, including vehicle year, make, and model, as well as proposed rates for varying lease lengths.
GSA MAS proposals under this Large Category must also include the SIN-specific PPT for the following SINs:
SIN-specific PPTs can be found on GSA’s web page of required templates for a GSA MAS offer.
To determine if there are any specific templates or requirements associated with a SIN under this Large Category, begin by reviewing the Transportation and Logistics Services Large Category Attachment, as discussed before, or conduct a quick search on GSA’s SIN look-up table.
Currently, about 444 contractors have SINs awarded under the Transportation and Logistics Services Large Category. This Large Category represents a significant amount of spending within GSA MAS; during the 2025 government fiscal year, the Transportation and Logistics Services Large Category accounted for about $864 million in sales.
The Transportation of Things Subcategory represented most of the sales flowing through this Large Category at just under $500 million, with SIN 481211B Air Charter Services – Brokers accounting for about $333 million.
Outside of this subcategory, the most utilized SIN was SIN 3361V Vocational Vehicles, which represented approximately $60 million of government spending.
Just like any other Large Category within the GSA MAS Program, SIN requirements can change under the Transportation and Logistics Services Large Category. GSA is expected to release MAS Solicitation Refresh #31 in March or April 2026. In addition to transitioning all remaining SINs to follow the Transactional Data Reporting (TDR) sales reporting structure, this Solicitation Refresh contains a few revisions to the Transportation and Logistics Services Large Category, including removing references to Original Equipment Manufacturer (OEM) under SIN 488190 and removing the “instructions” tab from the SIN-specific PPTs for SINs 492110, 492210, 485, and 532111.
Our consultants have supported many businesses in acquiring a GSA MAS contract under the Transportation and Logistics Services Large Category to sell vehicles, air charter services, and other offerings. If you need assistance navigating the often complex and numerous requirements for SINs under this Large Category, our team would love to help.