Just in case those youngsters out there despair, I will rise to T's bait.
Answer=None
One went on to become what is now called Skywest, another was an international, operated on principles later used by Virgin et al, which with another forced the introduction of APEX fares into Australia to the chagrin of Qantas and the other was liquidated after a final years profit of a fair bit over $1million for reasons entirely unrelated to aviation. All fairly and in some cases very profitable.
It did not go unnoticed that attainable charter prices collapsed by around 40% on our departure thus further locking in the race to the bottom and condemning the mining industry to second rate service until the arrival of the Dash 8 types. You see price is always interesting, but is not the main issue if you know what you are doing.