GSA Federal Acquisition Service
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For general questions, contact:
FAS National Customer Service Ctr
Phone: 1-800-488-3111
E-mail: ncsccustomer.service@gsa.gov
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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Industrial Products and Services - Industrial Products
Category Description
333120 Street Repair and Cleaning Equipment and Attachments - Street Repair Equipment and Attachments
Snow Maintenance and clearing equipment and attachments
3331SBSA Clearing Equipment (SBSA) - Forestry, Mulching, Brush Cutting, Land Clearing and Vehicle Mounted Snow Clearing.

NOTE: Small Business Set Aside (SBSA)
Industrial Products and Services - Machinery and Components
Category Description
333923 Vehicular Cranes and Attachments - Includes but not limited to Wheeled and Tracked Cranes

NOTE: the offeror shall furnish certification that Vehicle-Mounted Elevating and Rotating Aerial Devices offered are ANSI A92.2 compliant.
333924 Utility Trucks and Tractors - Includes utility, platform, pallet and hand trucks, Including, but not limited to, tractors, tow tractors (industrial, electric, walk behind, riding, and flight line), cargo, baggage, aircraft tug tractor, gas and diesel engine tractor, battery operated power assist vehicle (PAV), electric burden carrier, personnel carrier, options and accessories. Loaders, excavators, crawlers, motor graders, scrapers, ditchers/Trenchers and forklifts.
Scientific Management and Solutions - Search and Navigation
Category Description
334511 Search, Detection, Navigation, Guidance, Aeronautical and Nautical Systems and Instruments - Includes telecommunications equipment and accessories, such as radar (except airborne), underwater, light, and laser equipment.

NOTE: Subject to Cooperative Purchasing
Security and Protection - Marine and Harbor
Category Description
561621H Harbor/Waterfront Security Products and Services and Professional Marine Security Services - Includes all types of harbor and waterfront security products, such as specialized surveillance equipment, professional marine security services, and training related to harbor/waterfront/marine security.

NOTE: Subject to Cooperative Purchasing
Transportation and Logistics Services - Motor Vehicles (non-Combat)
Category Description
33611 Purchase or Lease of Gas or Electric Low Speed Vehicles - Purchase or lease street legal electric or gasoline powered low-speed vehicles. Vehicles configured to carry two, four, six or more passengers, or two passengers and a pickup bed or other utility box. Applications include: passenger transport, security patrol, maintenance, and delivery. Vehicles have basic safety equipment and comply with Federal Motor Vehicle Safety Standard Number 500.
3361E Electric and Autonomous Vehicles and Accessories - Includes electric and autonomous vehicles and accessories
3361V Vocational Vehicles - Utility & Telecom Construction Equipment and Attachments: Includes but not limited to: Service and Line Body Trucks, Personnel Lifts, Digger Derricks, Cable Placers. Special Vocation Vehicles and Attachment: Vocations include but not limited to: Blood Donor, Dental, Laboratory, Medical, Clinical, Healthcare, Mobile Command, Concession, Sound Stage, Emergency Response, Communication, Broadcast, Electronic News Gathering, Training, Marketing, Troop Transport, Patient Evacuation, and related options and equipment. Platforms include but not limited to: Truck, Van, Semitrailer, Trailer, Bus, and Motorcoach. Aircraft Ground Support Vehicles and Equipment: Includes but not limited to: Catering Highlift Trucks, Cabin Service Highlift Trucks, Handicap Passenger Highlift Trucks, Stake Bed Highlift Trucks, Narrow Passenger Stairway Trucks, Wide Body Passenger Stairway Trucks, Lavatory Trucks, Washers and De-icer Maintenance Lifts, Potable Water Trucks, Lavatory Carts, Belt Loaders, and related accessories. Waste Disposal Vehicles and Attachments: including but not limited to: Refuse Vehicles and/or Trailers; Recycling Vehicles and/or Trailers; Hazardous Waste Disposal Vehicles and/or Trailers; and Liquid Waste Vehicles and/or Trailers, Roll-off, Hoist, and Hook Lift Trucks.
336211 Tank Trucks - NFPA 385 & 407 compliant Fuel and Petroleum tank trucks Including but not limited to Bulk Fuel Haulers, Ground Fuel Servicing Trucks (single and multiple product), Aircraft Refueling and De-fueling Tank Trucks. Potable and Non-potable Water Trucks, Street Flushers, Dust Control Spray Trucks, and Trailers. Related equipment and accessories and related equipment.
336211V Vocational Bodies and Attachments - Includes but not limited to: Stake Bodies, Dump Bodies, Utility Bodies, Cargo Bodies, Towing Bodies, Wrecker Bodies, Line and Service Bodies
336212 Trailers and Attachments - Includes but not limited to: Closed Van Semitrailers, Refrigerated Semitrailers, Platform Semitrailers, Low-bed Semitrailers, Cargo Trailers, Utility Trailers
336350 Remanufactured Automotive Components - Includes but not limited to: Engines, Transmissions, Differentials & Rear Axle Assemblies, and Electrical Components.
3363P Spare Components and Vehicle Accessories - Components and accessories for various vehicles such as sedans, buses, medium and heavy duty trucks
336611 Marine Craft Repairing - Includes all marine crafts and related services, such as boats (all types), repair and maintenance, floating marine barriers, etc.

NOTE: Subject to Cooperative Purchasing
336612 Marine Craft - Includes all marine crafts and related services, such as boats (all types), repair and maintenance, floating marine barriers, etc.

NOTE: Subject to Cooperative Purchasing
532112 Leasing of Passenger Cars, SUVs, Vans, and Light Trucks - Leasing of Passenger Cars, SUVs, Vans, and Light Trucks