Green Tech is in Agbara Estate Ogun State
Thai farm is located in Ososa Ogun State.
Psaltry is in Ado Awaye close to maya in Oyo State.
Dadtco has a mobile processing units that they move around to locations.
There is EKHA Agro, i think in Lagos.
Matna is in Akure.
There are some breweries in Sango Otta that makes use of cassava.
Visit the company, they will request for sample to determine the starch contents.
A visit to GIZ office in Ibara Abeokuta will give you a comprehensive details of cassava buyers