noun
insurance business; insurance industry
Refers to the business sector or profession of providing insurance.
彼は保険業に長年携わっている。
He has been in the insurance business for many years.
保険業は厳しい規制の下で運営されている。
The insurance industry operates under strict regulations.
保険会社 means an insurance company, a specific entity within the 保険業.
Compound of 保険 (insurance) and 業 (business, industry).