Almac has invested $10m into a new commercial packaging facility in Audubon, Pennsylvania which would start operaions in late 2012.
Almac is also in the process of doubling the size of its analytical labs in its new North American headquarters in Souderton, Pennsylvania, reported belfasttelegraph.co.uk.
According to firm, the latest investment shows its capabilities to build the global economy in major sectors.
Almac Pharma Services managing director Graeme McBurney said the firm hoped to offer uninterrupted supply in the US and the UK with the alignment of packaging processes.
New US Consul General in Northern Ireland Gregory S Burton toured the Almac headquarters.