- In 1954, Wayne Works of Richmond, Indiana – a large school bus producer – purchased Meteor Motor Car Co of Piqua, OH and in March or 1956 Wayne acquired A.J. Miller Company. The Company became Miller-Meteor and maintained production in Piqua, OH.
- M-M built exclusively on the Cadillac commercial chassis and their most famous ambulance, the Criterion, was unveiled in 1973 as a 1974 model. Remaining in production through 1976.
- Criterions rear quarter windows were deleted, spare tire relocated and the entire left side permanently closed off to allow for a series of built-in medical cabinets. The Criterion also featured an industry first walk-through bulkhead using GM-sourced front bucket seats.
- This unit was deployed in Kalamazoo, MI by Dykstra Ambulance Service, then Mall City Service
V8, 500 cu. in.
224 cu. ft. (Patient Compartment)
Mike and Bob La Penna – Grand Rapids, MI