John Holt Plc is a conglomerate, which is firmly into engineering, wholesale trading, leasing, boat building and shipping. Its products range from generators of different sizes, airconditioners under its brand name, Holtstar, boats built by its boat factory in Port Harcourt, motorcycles, assembled in its Yamaha factory at Oregun Lagos, outboard engines, fire fighting equipment of different kinds and sizes. The company is quoted on the Nigerian Stock Exchange. It was established over 100 years an ...