You forgot some very important players:-
Njung'e - 32.65% of Mumias
VVS - 4% KK, 6% of KQ, 12% of WTK etc.
guru - 8% of SCOM, Vast land in Kampala (Currently registered under an array of companies)
Wendz & Leona - They must own something (I forget what)
Youcantstop-a-longname - 2 % of everything .... going up.
The list to be continued...
Never count on making a good sale. Have the purchase price be so attractive that even a mediocre sale gives good returns.