SEWA West Africa Limited (incorporated 10 November 2004) delivers engineering and energy services from its Port Harcourt base, providing power-plant operations and maintenance, consulting engineering, and marine/boat-building services; verified directory and company sources place the firm at INTELS Camp on the Port Harcourt–Aba Expressway, with additional published contact numbers used for marine and outboard support, underscoring its role as a regional service and manufacturing partner to clients across Rivers State and the wider West African market.