John Holt Engineering 7km., Ilesa Express road Akure +234 30 251245, (0)806 3661948 Industrial Power Systems and Generators
John Holt Engineering 59, Market Road Warri +234 53 251197, (0)803 4724823, 703 4496060 Industrial Power Systems and Generators
John Holt Engineering Ibrahim Alkali Road, near First bank of Nigeria, Potiskum +234 806 9174809, 803 8399800 Industrial Power Systems and Generators
John Holt Engineering 107, Murtala Mohamed Way, Ilorin +234 31 221825, (0)803 7150509, 803 4467374 Industrial Power Systems and Generators
John Holt Engineering Plot 28/29, Gumsu Road, Off Sir Ibrahim Way, Maiduguri +234 76 232398, 236826, (0)802 3095800 Industrial Power Systems and Generators
John Holt Engineering Bama Road, Opposite Marazen Hotel, near University Hospital Maiduguri +234 806 2390049, 803 6753215 Industrial Power Systems and Generators
John Holt Engineering 3/4, Marine Road, Calabar +234 87 235667, 220082, (0)805 4853496 Industrial Power Systems and Generators
John Holt Engineering 3 Calabar Road, 4 Corner, Ikom +234 803 7250184, 805 3226102 Industrial Power Systems and Generators