the American LaFrance Fire Engine Company is the result of a merger between the American Fire Engine Company of Seneca Falls and the LaFrance Fire Engine Company of Elmira New York (Founded in 1873 by Truckson LaFrance, what a great first name)

https://www.militarytrader.com/military-vehicles/a-navy-american-lafrance-fire-truck

American LaFrance and Brockway Motor Company teamed up from 1920-1924 to produce these units which, due to low cost, were sold to many volunteer fire departments. 

It's rare that I come across a Brockway, and I can't remember ever finding a Brockway fire truck

https://usautoindustryworldwartwo.com/americanlafrance.htm