JOHN HOLT FIRE PROTECTION (A Div. of John Holt Plc)
JOHN HOLT LEASING SERVICES (A Div. of John Holt Plc)
JOHN HOLT SHIPPING SERVICES (A Div. of John Holt Plc)
JOHN HOLT TECHNICAL PRODUCTS & SERVICES (A Div. of John Holt Plc)
JONAC ENGINEERING PLANTS (NIGERIA) LTD.
FORTIS SOLUTIONS CONCEPT LIMITED