JLR also has large factories in Slovakia and China, as well as a smaller facility in India, which have also been affected by the shutdown.
The Business and Trade Select Committee is due to meet on Thursday afternoon to hear testimonies from businesses in JLR's supply chain.
This evidence will be shared with the government afterwards.
Senior government figures are concerned about a pattern of cyber-attacks on UK institutions and businesses, such as the British Library, Marks & Spencer, and the Co-op.
A group calling itself Scattered Lapsus$ Hunters has claimed responsibility for the hack on JLR, Marks & Spencer, and Co-op.
On Thursday, Co-op reported that the cyber-attack it suffered earlier this year cost it at least £206m in lost revenues.
JLR has been receiving support from the National Cyber Security Centre and the National Crime Agency.
The Department for Business and Trade said ministers had discussed "the impacts of the cyber-incident and how JLR can work towards restarting production".
In its most recent statement, JLR said: "Our focus remains on supporting our customers, suppliers, colleagues, and our retailers, who remain open."
Additional reporting by Pritti Mistry and Michael Sheils McNamee