The following bids, mergers, acquisitions and disposals involving European, U.S. Canadian and Asian companies were reported by 1330 GMT on Monday.

 ** Chicago Bridge & Iron Co said on Monday that it would buy Shaw Group Inc for about $3 billion in cash and stock to create a big engineering and construction company focused on the energy industry.

** Diversified U.S. manufacturer Roper Industries Inc said it will buy privately held Sunquest Information Systems Inc, a provider of diagnostic and laboratory software services to healthcare providers, for about $1.4 billion in cash.

** Korean Air Lines Co said in a regulatory filing on Monday it was considering bidding for an estimated 1.2 trillion Korean won ($1.05 billion) stake in Korea Aerospace Industries (KAI).

** Australian junior miner Northern Iron Ltd said it has received a A$525 million ($550 million) takeover offer from a Swiss trading company, Prominvest AG, just topping an earlier bid from Indian conglomerate Aditya Birla Group.

This article is copyrighted by Reuters