Accra Brewery Ltd.
Nestle Ghana Ltd.
Coca Cola Bottling Co. Ltd.
Olam Tomato Co. Ltd.
Olam Wheat Mill Factory

SBC Beverages (Pepsi Cola)
Golden Exotics Co. Ltd.
Cargill Ghana Ltd.
Unilever Ghana Ltd.
Cosmo Seafood Ltd.

AngloGold Ashanti Obuasi Ltd
Golden Star Resources(Bogoso & Wassa)
Chirano Gold Mines Limited
Goldfields Ghana Limited (Tarkwa & Damang)

Asanko Gold Mines
Newmont Ghana Ltd
SL Mining
Perseus Mining Ltd.

Ghana Water Company
Seawater Desalination Plant
Community water & Sanitation Co. Ltd.

Safe Water Company Ltd.
Voltic Ghana Ltd
Liberia Water & Sewer Corporation (LWSC)