- Pioneer Aluminum Limited
- Ameen Sangari
- Unilever Ghana Limited
- Ghana ports And Harbour Authority
- Coca-Cola company Limited
- Pioneer Food Cannery Ltd
- Cocoa marketing company
- Twifo Oil Palm Limited
- Takoradi Flour Mill
- Benso Oil Palm Limited
- Ghana Cotton Limited
- Anglo Gold Ashanti
- Guiness Ghana Limited
- Accra Brewery Limited
- B.B.C
- Azar Paints
- Chemico
- Ghana Oil Palm Development Company [GOPDC]
- Ghana Rubber Estates Limited [GREL]
- SGS
- Aluworks Ghana Limited
- Mankoadze Fisheries
- Benso Oil Palm
- Irani Brothers
- Cocoa Processing Company
- Cadbury Ghana Limited
- Printex
- Cadbury Ghana Limited
- PZ
- Tema Oil Refinery