Let's start with those guys, whom I quoted above. That I found below a video, but on their channel, something else can be found.
Rheinmetall (Germany)
As an integrated technology group with more than 25,000 employees worldwide, the listed Rheinmetall AG stands for a strong, internationally successful company that operates in various markets with an innovative range of products and services. As a renowned development partner and direct supplier to the global automotive industry and a leading international systems provider for security technology, Rheinmetall draws on its high level of expertise in its basic technologies to address long-term megatrends, identify viable new markets with high growth potential and develop innovative solutions for a safe and liveable future. The focus on sustainability is an integral part of Rheinmetall's strategy. The company aims to achieve CO2 neutrality by 2035.
>develop innovative solutions
i cry everytim
Products: Leopard MBT, Challanger 2 MBT, PZH 2000 self-propelled howitzer

Thales (France)
Thales is a global high technology leader investing in digital and “deep tech” innovations – connectivity, big data, artificial intelligence, cybersecurity and quantum technology – to build a future we can all trust, which is vital to the development of our societies. The company provides solutions, services and products that help its customers – businesses, organisations and states – in the defence, aeronautics, space, transportation and digital identity and security markets to fulfil their critical missions, by placing humans at the heart of the decision-making process.
Note: 8th largest defence contractor in the world[7] and 55% of its total sales are military sales.
Products: Bushmaster armoured vehicle, F88 Austeyr assault rifle, Starstreak missile