CompAir is an engineering and manufacturing company specialising in compressed air and gas systems. CompAir was acquired by Alchemy Partners from Invensys, which retained a small minority shareholding. Alchemy has invested £41.4 million to fund a complete restructuring of the loss-making CompAir business, in return for a 67% shareholding. History CompAir was actually formed when Holman merged with BroomWade to produce "an organisation with the resources to compete effectively in world ma… (More on Compair)