Hello Em 1 can be found in Ena, Embu county which is 150km from Nairobi, below is an attached doc for contacts of the company.
Two, The feeds from human waste is not the normal maggots we know. It is a process where by the faeces are collected,taken through dehydration process to separate them from urine, then the solid waste is fed to black soldier flies which these flies prevents the growth of the normal maggots.
The black soldier flies lay eggs that move to larvae and after 10 days to pupae stage.
This pupae stage is what is taken , boiled at 100'celcious for 6minutes and Sundried.
That is what is fed to poultry as feed.