Doman Integrated Limited Lansar House (Alsecure), Fourth Floor, Plot 219 Rumuogba Layout, PH – Aba Expressway +234 84 775997, (0)803 5475997, (0)802 5792239 Engineering Design and Consultancy
Dover Engineering Limited Louis House, 350 Aba Road +234 84 463693, 463694, 462397 Engineering Design and Consultancy
ELP Integrated Services 20 Alcon road, After FHE Woji +234 (0)805 4012444 Engineering Design and Consultancy
Bie-Usha(WA) Ltd 201B Aba-Port Harcourt Exp. Way Rumuola Junction +234 84 236769, 333254 Engineering Design and Consultancy
Bihocs Engineering Co Ltd 15/17 Emekuku Street D Line +234 84 333170 Engineering Design and Consultancy
Bizwan Ventures Nigeria Ltd 29 Mbonu Street D Line +234 84 230963, 239168 Engineering Design and Consultancy
BNL Engineering and Construction Ltd. 564, Independance Avenue, Central Area +234 9 6121011 Engineering Design and Consultancy