1) Aetna 2) Aetna or State Farm 3) Arkansas Blue Cross 4) Insurance company 5) Insurance firm 6) Insurance underwriter 7) It keeps you covered 8) John Hancock 9) MetLife 10) Policy offerer 11) Policy purveyor 12) Risk taker 13) Travelers 14) Underwriter 1) Guarantor 2) Underwriter 
• (n.) One who, or that which, insures; the person or company that contracts to indemnify losses for a premium; an underwriter.
The party in an insurance contract that promises to pay a benefit if a specified loss occurs. Usually an insurance company.
A company that offers an insurance policy.
It is a person or company generally an insurance company who aggrees to compensate anyone who suffers losses and damages in consideration for a premium paid by the person or company as mentioned in the insurance policy.
In·sur'er noun One who, or that which, insures; the person or company that contracts to indemnify losses for a premium; an underwriter. 
An authorised company which provides... <a target=_blank href='http://www.finance-glossary.com/terms/insurer.htm?id=762&ginPtrCode=00000&PopupMode=false' title='Read full definition of insurer'>more</a>
The person or entity (usually an insurance company) that agrees to pay for losses suffered by the insured. (See also: insurance)
a person or company that contracts to indemnify another in the event of loss or damage; underwriter. · a person or thing that insures. · a person who sells insurance.