FORGET ABOUT AMUSEMENT COMPANIES.
Worst possible place to get a cabinet.
Find the local collectors, track them down via ebay, rgvac, vaps, and websites. They have basements FULL of that junk, games bought for the monitor, dead games they will never fixed, minty fresh vector Space Duel cabinets with no parts on them.
The idea that an amusement company is a good place to get games MIGHT have been true in 1992 when a bunch of the arcade collecting FAQ files were written, but it simply isn't true anymore.