Social housing constructor

We are a real estate company.
We must realize 500 social housing in Africa (300 F3 67 m² and 200 F4 of 95 m²)
the housing are basic

Hello,

I search a constructor for the realization of 500 social housing (300 F3 67 m² and 200 F4 of 95 m²)

thanks to make me an offer

I pay the construction