The phrase "commercial operation" refers to a business or activity that is done to make a profit or generate income. It implies that the operation is focused on selling goods or services to customers in order to make money. Full definition
The facility's reactor units began commercial operation in 1974 and 1976. (dailyfreeman.com)
It is an historically significant place for you to be doing business; one where a wide range of commercial operations of all sizes are thriving today. (trustedchoice.com)
In that role, he was responsible for commercial operations, focusing on driving direct and indirect growth. (legalmarketinglaunch.com)