Global US infrastructure firm Jacobs Engineering Group and one of its main rivals, CH2M, are to merge under a US$3.27 billion deal. In a written statement, Jacobs said it will acquire all of the outstanding shares of CH2M in a cash and stock transaction, including around $416 million of CH2M debt. CH2M had global revenue in the past 12 months of around $4.4 billion and about 20,000 employees. Its contracts are in the water, transportation, environmental and nuclear sectors.