A MAC is a one-stop solution provider catering to all of an end user’s automation needs. The MAC assumes responsibility for all automation-related functions of a project. This market insight provides an overview of the MAC model and its advantages over the conventional multi-vendor approach adopted by end-users in Southeast Asia, Australia, and New Zealand. Some of the end users include oil and gas, power, chemicals and petrochemicals, water and wastewater, metals and mining, food and beverage, and electronics. The base year for this study is 2012.