Greno PortfoliosThe following are some of the Greno Clients
- Total E&P
- Addax
- Exxonmobil
- Agip
- Saipem
- DAEWOO Nigerian Limited – Mbiama, Ménage, Afam and Abam base.
- Buildwell Plant and Equipment, Trans Amadi, Port Harcourt
- Walter Smith Petroman Oil Limited
- Setraco Nigeria Limited
- Weatherford Nigeria Limited, Trans Amadi, Port Harcourt
- Julius Berger construction Nigeria Limited
- ZB Joint ventures
- Grinaker-LTA
- Megastar Nigeria Limited, East West Road, Port Harcourt
- OKMAS Nigeria Limited, East West Road, Port Harcourt
- Saipem Nigeria Limited
- Protea Hotel, G.R.A, Port Harcourt.
- Frank’s International Ltd, Trans-Amadi, Port Harcourt.
- Zerock construction
- Presidential Hotel, G.R.A, Port Harcourt
- Nigerian Television Authority (NTA) Mgbuoba, Port Harcourt
- Others.