YMMACO NIGERIA LTD.
Construction and Rehabilitation of Roads, Construction of Houses and Estates
DEO MAKRO LTD.
Transportation Engineering (Airports Development, Civil and Defence Communication Engineering), Communication and Environmental Engineering
ZIHABIT LTD.
Building Construction, Renovation of Buildings, Civil Works, Rural Electrification Engineering
OBA GROUP INTERNATIONAL COMPANY LTD.
Manufacturers of Overhead Large-Volume Water Tanks, Manufacturers of Stainless Mobile Refuse-Disposal Equipment, Invention of Electric Power Plants (Air and Hydro) Civil, Mechanical and Structural Engineering.