GSA Federal Acquisition Service
Search:

Wildland Fire & Equipment
Firefighting Products

Look here for emergency patient transportation, fire extinguishing/suppressing products, firefighting distress/signal devices, firefighting and rescue tools, breathing air equipment, inhalator devices, respiratory protection products, hoses, valves, fittings, nozzles, helicopter equipment for search & rescue efforts, etc.
Source
Description
MAS Multiple Award Schedule - Available offerings include commercial goods and services organized by 12 Large Categories, corresponding Subcategories, and SINs.
84 TOTAL SOLUTIONS FOR LAW ENFORCEMENT, SECURITY, FACILITIES MANAGEMENT, FIRE, RESCUE, CLOTHING, MARINE CRAFT AND EMERGENCY/DISASTER RESPONSE - The Local Preparedness Acquisition Act, signed June 26, 2008, authorizes state and local governments to purchase from GSA alarm and signal systems, facility management systems, firefighting and rescue equipment, law enforcement and security equipment, marine craft and related equipment, special purpose clothing, and related services.