Will do! 
Business Class:
0 = Cheap
1 = Small
2 = Medium
3 = Big
4 = Exclusive
Business Types:
0 = All (Do not use)
1 = Contractor
2 = AviationFuelSupplier
3 = Bank
4 = Airline
5 = Franchise
Airline does not exist yet as we have not finalized how modding of airline will work. It is a bit more complex than businesses.