Unit Birwelco is an International engineering and construction contractor and thermal equipment manufacturer providing a comprehensive range of quality services to a variety of industries in the UK and around the globe Unit Birwelco completed a major Engineering, procurement, construction and commissioning project for Murco Petroleum at their Milford Haven Refinery Unit Birwelco undertook a range of engineering and construction activities at the South Hook LNG terminal at Milford Haven Unit Birwelco consists of four operational divisions overseen by a single client and project management team