Hippo Mills Hippo Mills ABC Hansen Africa. Contact Hippo Mills. South Africa. Tel (Local) 012 803 0036 / 086 147 2461: ... South Africa: Namibia. Physical Address ; Unit 7 : 10 Daimler Street: Southern Industrial Park: Windhoek, Namibia: Tel +264 81 412 0123: Email; namibia: USA Dealer Pleasant Hill Grain. Physical Address ;