Alamo is the largest rental car company at SFB so they have a pretty decent size lot.
The Alamo lot is about the same size as the other lot that houses ALL of the other car rental companies.
We arrived just after a large flight had arrived from the UK and Alamo had the majority of the reservations from the flight.
The attendant said that they had just rented out over a hundred cars and they were filling the lot back up when we arrived.
Probably 12-20 cars in each aisle when they are stocked and they must have additional cars just offsite somewhere.