Here we look back at its industrial achievements and its proud involvement in the wider community. You can also read the latest update on the proposed sale here.
The distinctive Heerema hanger welcomes the Tall Ships' Races in 2010.
Left to right, former Hartlepool MP Iain Wright with Energy Minister Charles Hendry, Alan Lloyd and Nick Routledge, both Heerema, on a tour of the Greenland Road site in 2011.
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Staff celebrate a jobs boost in 2010.
Josie Watson, rear centre, and Al Wales, sitting, from Hartlepool Foodbank are presented with a printer and a cheque for 2,000 by Heerema staff, left to right, Ian Musgrave, Paul Murray, Paul Douglas and Paula Jenkins in 2012.
George Osborne, right, who was then Chancellor of the Exchequer, visits Heerema in 2012.
Yet another donation as staff present Hartlepool Families First workers with vital funds in 2003.
An aerial view of the company's premises.
Stuart Drummond, far right, who was Hartepool's Mayor in 2012, watches how steel is cut with from left, Greg McKenna, Sze-Meng Kugh and Olivier Burger.
Apprentices have used their training time to build a host of creations for the wider community. Here six-year-old Janes Hall admires a bird table made in 2012 for Seaton Carew sensory garden.
Another completed module is towed out into the North Sea in 2011.