General Motors Company (NYSE: GM) is in discussions with Lockheed Martin Corporation (NYSE: LMT) about manufacturing commonly used components for the defence contractor's weapons programmes, with no agreement yet finalised and the specific parts under consideration still being negotiated, according to reports citing people familiar with the matter.

  • GM and Lockheed Martin are discussing a potential supply arrangement for commonly used weapons components, with the specific parts still being identified.
  • No agreement has been finalised and the contours of the arrangement could change, according to people familiar with the matter.
  • The potential partnership comes as the US-Iran war and Ukraine resupply commitments have significantly depleted US weapons stockpiles.
  • The Trump administration convened executives from major defence contractors at the White House last week to discuss accelerating production timelines.

The reported discussions reflect a broader effort by the Pentagon to expand its manufacturing base beyond the traditional cluster of specialised defence primes. GM's industrial footprint, encompassing large-scale precision machining and high-volume component manufacturing across North America, offers production capabilities that could address current supply chain bottlenecks in certain munitions categories.

For Lockheed Martin, bringing a non-traditional manufacturer of GM's scale into its supply chain could help meet accelerated production commitments. The company signed framework agreements in the first quarter for Patriot Missile, THAAD, and PrSM production, with commitments to increase output rates by three to four times current levels over multi-year horizons.

Neither GM nor Lockheed Martin responded immediately to requests for comment from media organisations following publication of the reports. The Trump administration's White House meeting with defence contractor executives last week signals active government engagement in resolving the production capacity constraints that current stockpile depletion has exposed.