Complex sentence: They also built a large number of presses for Loewy during the war for other firms making components for the war effort, as well as gun barrels, lathes and riffling machines for Cravens Ltd a sister company.
Split into simpler sentences: They also built a large number of presses for Loewy during the war for other firms making components for the war effort. As well as gun barrels lathes and riffling machines for Cravens Ltd a sister company.